[
{"category":"filter","name":"Antlia 3nm Pro SHO Narrowband Filter Set","id":"antlia-3nm-pro-sho-set","brand":"Antlia","model":"3nm Pro SHO Narrowband Filter Set","aka":[],"type":"narrowband","lines":["sii","ha","oiii"],"bandwidth":3,"sizes":["1.25in","2in","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":1300,"year":null,"status":"current","includes":["3 nm Hα Pro filter","3 nm OIII Pro filter","3 nm SII Pro filter"],"highlights":["Matched 3 nm Hα, OIII and SII filters","Premium Pro series for mono cameras"],"summary":"A matched set of 3 nm Pro Hα, OIII and SII narrowband filters for mono cameras and SHO imaging.","popularity":4,"visual":{"color":"#b8192f","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Antlia ALP-T Dual Band 3nm","id":"antlia-alp-t-3nm","brand":"Antlia","model":"ALP-T Dual Band 3nm","aka":["ALP-T 3nm"],"type":"dual-band","lines":["ha","oiii"],"bandwidth":3,"sizes":["1.25in","2in","36mm","50mm"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":430,"year":null,"status":"current","includes":[],"highlights":["3 nm Hα and OIII passbands","For systems f/4 and slower","For one-shot colour cameras"],"summary":"A 3 nm Hα and OIII dual-band filter for one-shot colour cameras, intended for optical systems at f/4 and slower.","popularity":5,"visual":{"color":"#4c62d6","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Antlia ALP-T Dual Band 5nm","id":"antlia-alp-t-5nm","brand":"Antlia","model":"ALP-T Dual Band 5nm","aka":["ALP-T 5nm"],"type":"dual-band","lines":["ha","oiii"],"bandwidth":5,"sizes":["1.25in","2in","36mm","50mm"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":420,"year":null,"status":"current","includes":[],"highlights":["5 nm Hα and OIII passbands","Highspeed version for f/2.2 to f/3.6","For one-shot colour cameras"],"summary":"A 5 nm Hα and OIII dual-band filter for one-shot colour cameras, made for systems slower than f/4, with a separate Highspeed version for f/2.2 to f/3.6.","popularity":7,"visual":{"color":"#5b6fe0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Antlia V-Pro LRGB Filter Set","id":"antlia-v-pro-lrgb","brand":"Antlia","model":"V-Pro LRGB Filter Set","aka":["LRGB-V Pro"],"type":"lrgb","lines":[],"bandwidth":null,"sizes":["1.25in","2in","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":520,"year":null,"status":"current","includes":["Luminance filter","Red filter","Green filter","Blue filter"],"highlights":["Matched L, R, G and B filters","Mounted 2 in or unmounted 50 mm"],"summary":"A matched L, R, G and B filter set from Antlia's V-Pro line for full-colour imaging with mono cameras.","popularity":4,"visual":{"color":"#cfd6e4","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Antlia V-Series L Luminance Filter","id":"antlia-v-series-l","brand":"Antlia","model":"V-Series L Luminance Filter","aka":[],"type":"uv-ir-cut","lines":[],"bandwidth":null,"sizes":["1.25in"],"priceSize":"1.25in","camera":"any","use":["imaging"],"set":false,"price":85,"year":null,"status":"current","includes":[],"highlights":["Luminance filter usable as UV/IR cut","Keeps stars tight on mono and colour cameras"],"summary":"A luminance filter that blocks UV and IR light and can be used as a UV/IR cut filter with mono and colour cameras.","popularity":3,"visual":{"color":"#8fc0d0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik CLS Filter","id":"astronomik-cls","brand":"Astronomik","model":"CLS Filter","aka":["City Light Suppression"],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"any","use":["imaging","visual"],"set":false,"price":200,"year":null,"status":"current","includes":[],"highlights":["Blocks sodium and mercury lamp light","Visual and photographic use"],"summary":"A City Light Suppression filter for visual and photographic use that blocks sodium and mercury lamp light under suburban and city skies.","popularity":7,"visual":{"color":"#c778b5","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik Deep-Sky RGB Filter Set","id":"astronomik-deep-sky-rgb","brand":"Astronomik","model":"Deep-Sky RGB Filter Set","aka":[],"type":"lrgb","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":430,"year":null,"status":"current","includes":["Red filter","Green filter","Blue filter"],"highlights":["Matched red, green and blue filters","For colour imaging with mono cameras"],"summary":"A Deep-Sky RGB filter set for mono cameras with matched red, green and blue channels for colour imaging.","popularity":5,"visual":{"color":"#d6dbe6","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik L-2 UV-IR Block Filter","id":"astronomik-l-2","brand":"Astronomik","model":"L-2 UV-IR Block Filter","aka":["L-2"],"type":"uv-ir-cut","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":150,"year":null,"status":"current","includes":[],"highlights":["Blocks ultraviolet and infrared light","Sizes from 1.25 in to clip-in"],"summary":"A UV-IR block luminance filter that stops ultraviolet and infrared light from softening stars, for mono and colour cameras and DSLRs.","popularity":5,"visual":{"color":"#86b6cc","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik L-3 UV-IR Block Filter","id":"astronomik-l-3","brand":"Astronomik","model":"L-3 UV-IR Block Filter","aka":["L-3"],"type":"uv-ir-cut","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":150,"year":null,"status":"current","includes":[],"highlights":["UV-IR block luminance filter","Sizes from 1.25 in to clip-in"],"summary":"A UV-IR block luminance filter from Astronomik for mono cameras, DSLRs and mirrorless cameras, used to keep stars sharp.","popularity":6,"visual":{"color":"#8dbad0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik MaxFR H-alpha 6nm Filter","id":"astronomik-maxfr-ha-6nm","brand":"Astronomik","model":"MaxFR H-alpha 6nm Filter","aka":["MaxFR Ha 6nm"],"type":"narrowband","lines":["ha"],"bandwidth":6,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":false,"price":330,"year":null,"status":"current","includes":[],"highlights":["6 nm Hα passband","From the MaxFR narrowband range"],"summary":"A 6 nm Hα narrowband filter from Astronomik's MaxFR range for mono cameras and narrowband imaging.","popularity":5,"visual":{"color":"#a01426","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik OIII 12nm Filter","id":"astronomik-oiii-12nm","brand":"Astronomik","model":"OIII 12nm Filter","aka":["OIII visual"],"type":"visual-nebula","lines":["oiii"],"bandwidth":12,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"any","use":["visual","imaging"],"set":false,"price":290,"year":null,"status":"current","includes":[],"highlights":["12 nm OIII passband","Suits visual use and imaging"],"summary":"A 12 nm OIII filter for visual nebula viewing and imaging that passes the 496 and 501 nm oxygen lines.","popularity":5,"visual":{"color":"#14a090","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik ProPlanet 742 IR Pass Filter","id":"astronomik-proplanet-742-ir","brand":"Astronomik","model":"ProPlanet 742 IR Pass Filter","aka":["ProPlanet 742"],"type":"planetary","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"1.25in","camera":"any","use":["imaging"],"set":false,"price":110,"year":null,"status":"current","includes":[],"highlights":["Passes light beyond 742 nm","Sharper planetary and lunar images"],"summary":"An infrared-pass filter that transmits light beyond 742 nm to cut atmospheric turbulence and sharpen planetary and lunar images.","popularity":5,"visual":{"color":"#5e0f18","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Astronomik UHC Filter","id":"astronomik-uhc","brand":"Astronomik","model":"UHC Filter","aka":[],"type":"visual-nebula","lines":["hb","oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual","imaging"],"set":false,"price":190,"year":null,"status":"current","includes":[],"highlights":["Passes the Hβ and OIII lines","Visual and photographic use"],"summary":"A UHC nebula filter that passes the Hβ and OIII lines while cutting skyglow, for visual use and imaging.","popularity":5,"visual":{"color":"#25a58f","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader CMOS-Optimized LRGB Filter Set","id":"baader-cmos-lrgb-set","brand":"Baader","model":"CMOS-Optimized LRGB Filter Set","aka":[],"type":"lrgb","lines":[],"bandwidth":null,"sizes":["1.25in","31mm","36mm","2in","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":440,"year":null,"status":"current","includes":["Luminance filter","Red filter","Green filter","Blue filter"],"highlights":["LRGB set optimised for CMOS sensors","Mounted or unmounted sizes"],"summary":"An LRGB filter set optimised for modern CMOS mono cameras, for building colour images of galaxies, clusters and nebulae.","popularity":5,"visual":{"color":"#d6dce8","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader IR-Pass Filter 685nm","id":"baader-ir-pass-685","brand":"Baader","model":"IR-Pass Filter 685nm","aka":["Planetary IR-pass 685nm"],"type":"planetary","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"1.25in","camera":"any","use":["imaging"],"set":false,"price":90,"year":null,"status":"current","includes":[],"highlights":["Passes light beyond 685 nm","Steadier planetary and lunar images"],"summary":"An infrared-pass filter transmitting light beyond 685 nm to steady planetary and lunar images in poor seeing.","popularity":4,"visual":{"color":"#6a1018","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader Moon & Skyglow Filter","id":"baader-moon-skyglow","brand":"Baader","model":"Moon & Skyglow Filter","aka":["Moon and Skyglow"],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual","imaging"],"set":false,"price":150,"year":null,"status":"current","includes":[],"highlights":["Suppresses skyglow from street lighting","Helps contrast on the Moon and planets"],"summary":"A broadband filter that suppresses skyglow from artificial lighting and improves contrast on the Moon and planets, for visual use and imaging.","popularity":6,"visual":{"color":"#4aa8a0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader Neodymium Filter","id":"baader-neodymium","brand":"Baader","model":"Neodymium Filter","aka":[],"type":"planetary","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":120,"year":null,"status":"current","includes":[],"highlights":["Boosts contrast and colour on Moon and planets","Slightly reduces sodium light pollution"],"summary":"A neodymium-glass filter that boosts contrast and colour on the Moon and planets and slightly reduces light pollution at the eyepiece.","popularity":4,"visual":{"color":"#a77bc2","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader Neutral Density Filter ND 0.9","id":"baader-nd-0-9","brand":"Baader","model":"Neutral Density Filter ND 0.9","aka":[],"type":"planetary","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"1.25in","camera":"any","use":["visual"],"set":false,"price":50,"year":null,"status":"current","includes":[],"highlights":["Cuts light to about an eighth","Comfortable full-Moon viewing"],"summary":"A neutral density filter that cuts the brightness of the Moon to about an eighth for comfortable viewing.","popularity":3,"visual":{"color":"#7c828c","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader UHC-S Filter","id":"baader-uhc-s","brand":"Baader","model":"UHC-S Filter","aka":[],"type":"visual-nebula","lines":["hb","oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual","imaging"],"set":false,"price":140,"year":null,"status":"current","includes":[],"highlights":["Passes the Hβ and OIII lines","For visual use and imaging"],"summary":"A UHC nebula filter that passes the Hβ and OIII emission lines while cutting light pollution, for visual use and imaging.","popularity":5,"visual":{"color":"#2aa890","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader Ultra-Narrowband Filter Set 3.5/4nm","id":"baader-ultra-narrowband-set","brand":"Baader","model":"Ultra-Narrowband Filter Set 3.5/4nm","aka":[],"type":"narrowband","lines":["sii","ha","oiii"],"bandwidth":4,"sizes":["1.25in","31mm","36mm","2in","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":950,"year":null,"status":"current","includes":["Hα 3.5 nm filter","OIII 4 nm filter","SII 4 nm filter"],"highlights":["Hα 3.5 nm, OIII and SII 4 nm","Ultra-narrow bands for bright skies"],"summary":"A set of ultra-narrowband filters (Hα 3.5 nm, OIII 4 nm, SII 4 nm) for mono cameras and SHO imaging.","popularity":5,"visual":{"color":"#b21a30","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Baader UV/IR Cut L-Filter","id":"baader-uv-ir-cut-l","brand":"Baader","model":"UV/IR Cut L-Filter","aka":["UV/IR-Cut/L-filter"],"type":"uv-ir-cut","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":130,"year":null,"status":"current","includes":[],"highlights":["Blocks ultraviolet and infrared light","Also serves as a luminance filter"],"summary":"A UV/IR cut luminance filter that blocks ultraviolet and infrared light for sharp stars with mono and colour cameras.","popularity":6,"visual":{"color":"#92b9c9","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Celestron UHC/LPR Filter","id":"celestron-uhc-lpr","brand":"Celestron","model":"UHC/LPR Filter","aka":[],"type":"visual-nebula","lines":["hb","oiii"],"bandwidth":null,"sizes":["1.25in"],"priceSize":"1.25in","camera":"any","use":["visual"],"set":false,"price":65,"year":null,"status":"current","includes":[],"highlights":["Blocks sodium and mercury lamp light","Lifts nebulae at the eyepiece"],"summary":"A UHC/LPR nebula filter that blocks sodium and mercury lamp light and lifts the contrast of emission nebulae at the eyepiece.","popularity":6,"visual":{"color":"#33a9b0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Chroma 3nm Hα/OIII/SII Narrowband Filter Set","id":"chroma-3nm-narrowband-set","brand":"Chroma","model":"3nm Hα/OIII/SII Narrowband Filter Set","aka":[],"type":"narrowband","lines":["sii","ha","oiii"],"bandwidth":3,"sizes":["1.25in","31mm","36mm","2in","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":1400,"year":null,"status":"current","includes":["Hα 3 nm filter","OIII 3 nm filter","SII 3 nm filter"],"highlights":["3 nm Hα, OIII and SII filters","Premium narrowband for mono cameras"],"summary":"A premium set of 3 nm Hα, OIII and SII narrowband filters for mono cameras, aimed at narrow-band imaging from bright skies.","popularity":4,"visual":{"color":"#b4192f","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"DGM Optics NPB Filter","id":"dgm-npb","brand":"DGM Optics","model":"NPB Filter","aka":["Narrow Pass Band"],"type":"visual-nebula","lines":["hb","oiii","ha"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual","imaging"],"set":false,"price":190,"year":null,"status":"current","includes":[],"highlights":["Passes the OIII, Hβ and Hα lines","For visual use and imaging"],"summary":"A narrow-pass-band nebula filter that passes the OIII, Hβ and Hα lines for visual observing and imaging.","popularity":5,"visual":{"color":"#2aa6a0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"IDAS LPS-D1","id":"idas-lps-d1","brand":"IDAS","model":"LPS-D1","aka":["Light Pollution Suppression D1"],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":170,"year":null,"status":"current","includes":[],"highlights":["Targets sodium and mercury lamp glow","Broadband, keeps natural colour balance"],"summary":"A broadband light pollution suppression filter for DSLR and astronomy cameras that blocks sodium and mercury lamp emission.","popularity":6,"visual":{"color":"#c96aa6","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"IDAS LPS-D3","id":"idas-lps-d3","brand":"IDAS","model":"LPS-D3","aka":["Light Pollution Suppression D3"],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":200,"year":null,"status":"current","includes":[],"highlights":["Broadband light pollution suppression","For DSLR and astronomy cameras"],"summary":"A broadband IDAS light pollution suppression filter for DSLR and astronomy cameras used under bright urban skies.","popularity":4,"visual":{"color":"#bf5f9a","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"IDAS LPS-P2","id":"idas-lps-p2","brand":"IDAS","model":"LPS-P2","aka":["Light Pollution Suppression P2"],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in","50mm"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":170,"year":null,"status":"current","includes":[],"highlights":["Broadband light pollution suppression","Mounted or unmounted 50 mm"],"summary":"A broadband light pollution suppression filter from IDAS for DSLR and astronomy cameras, sold mounted or as an unmounted 50 mm filter.","popularity":6,"visual":{"color":"#d77ab0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Lumicon H-Beta Filter","id":"lumicon-h-beta","brand":"Lumicon","model":"H-Beta Filter","aka":["Hydrogen Beta"],"type":"visual-nebula","lines":["hb"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":200,"year":null,"status":"current","includes":[],"highlights":["Passes the Hβ line only","For the Horsehead and California nebulae"],"summary":"An Hβ line filter for visual observers, used to detect faint targets such as the Horsehead and California nebulae.","popularity":4,"visual":{"color":"#2f7fd2","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Lumicon OIII Filter Gen 3","id":"lumicon-oiii-gen-3","brand":"Lumicon","model":"OIII Filter Gen 3","aka":["Oxygen III Gen 3"],"type":"visual-nebula","lines":["oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":200,"year":null,"status":"current","includes":[],"highlights":["Passes the OIII lines only","For planetary nebulae and supernova remnants"],"summary":"An OIII line filter that lifts planetary nebulae, supernova remnants and faint emission nebulae for visual observers.","popularity":5,"visual":{"color":"#12a898","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Lumicon UHC Filter Gen 3","id":"lumicon-uhc-gen-3","brand":"Lumicon","model":"UHC Filter Gen 3","aka":["Ultra High Contrast Gen 3"],"type":"visual-nebula","lines":["hb","oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":180,"year":null,"status":"current","includes":[],"highlights":["Passes the Hβ and OIII lines","Classic visual nebula filter"],"summary":"A UHC filter that passes the Hβ and OIII lines to lift emission nebulae at the eyepiece under light-polluted skies.","popularity":5,"visual":{"color":"#1fb59a","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong CLS","id":"optolong-cls","brand":"Optolong","model":"CLS","aka":["City Light Suppression"],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"any","use":["imaging","visual"],"set":false,"price":150,"year":null,"status":"current","includes":[],"highlights":["Blocks sodium and mercury lamp light","Visual and photographic use","Many sizes including clip-in"],"summary":"A City Light Suppression broadband filter that blocks sodium and mercury street-lamp light, for visual use and imaging with DSLR, colour and mono cameras.","popularity":6,"visual":{"color":"#e07aa0","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong H-Alpha 7nm","id":"optolong-h-alpha-7nm","brand":"Optolong","model":"H-Alpha 7nm","aka":["Ha 7nm"],"type":"narrowband","lines":["ha"],"bandwidth":7,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":false,"price":230,"year":null,"status":"current","includes":[],"highlights":["7 nm Hα passband at 656.3 nm","Pairs with OIII and SII for SHO imaging"],"summary":"A 7 nm hydrogen-alpha narrowband filter for mono cameras that isolates Hα emission from nebulae through light pollution and moonlight.","popularity":6,"visual":{"color":"#a8182c","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong L-eNhance","id":"optolong-l-enhance","brand":"Optolong","model":"L-eNhance","aka":["L-Enhance"],"type":"multi-band","lines":["ha","hb","oiii"],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":230,"year":null,"status":"current","includes":[],"highlights":["Tri-band: Hα, Hβ and OIII","For one-shot colour and DSLR cameras"],"summary":"A tri-band filter passing Hα, Hβ and OIII for one-shot colour and DSLR cameras, cutting light pollution while keeping star colours.","popularity":9,"visual":{"color":"#a15bd1","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong L-eXtreme","id":"optolong-l-extreme","brand":"Optolong","model":"L-eXtreme","aka":["L-Extreme"],"type":"dual-band","lines":["ha","oiii"],"bandwidth":7,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":310,"year":null,"status":"current","includes":[],"highlights":["7 nm Hα and OIII passbands","For one-shot colour and DSLR cameras","Strong rejection of light pollution"],"summary":"A 7 nm Hα and OIII dual-band filter for one-shot colour and DSLR cameras that isolates emission nebulae from heavy light pollution.","popularity":9,"visual":{"color":"#7a4fd6","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong L-Pro","id":"optolong-l-pro","brand":"Optolong","model":"L-Pro","aka":[],"type":"light-pollution","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm","clip-in"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":200,"year":null,"status":"current","includes":[],"highlights":["Cuts sodium and mercury lamp glow","Broadband: natural colour balance","Suits galaxies, clusters and nebulae"],"summary":"A broadband light pollution filter that suppresses sodium and mercury street-lamp lines while keeping natural colour for galaxies, clusters and nebulae.","popularity":8,"visual":{"color":"#d4709f","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong L-Quad Enhance","id":"optolong-l-quad-enhance","brand":"Optolong","model":"L-Quad Enhance","aka":["L-QEF"],"type":"multi-band","lines":["ha","oiii","sii","hb"],"bandwidth":null,"sizes":["2in"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":220,"year":null,"status":"current","includes":[],"highlights":["Passes Hβ, OIII, Hα and SII","Made for colour astronomy cameras"],"summary":"A quad-band light pollution suppression filter for colour cameras that passes the Hβ, OIII, Hα and SII emission lines.","popularity":4,"visual":{"color":"#4f8fd6","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong L-Ultimate","id":"optolong-l-ultimate","brand":"Optolong","model":"L-Ultimate","aka":[],"type":"dual-band","lines":["ha","oiii"],"bandwidth":3,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":390,"year":null,"status":"current","includes":[],"highlights":["3 nm Hα and OIII passbands","For one-shot colour and DSLR cameras","Tighter than the 7 nm L-eXtreme"],"summary":"A 3 nm Hα and OIII dual-band filter for one-shot colour and DSLR cameras, a tighter option than the 7 nm L-eXtreme for strong light pollution.","popularity":7,"visual":{"color":"#5a56d8","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong LRGB Filter Set","id":"optolong-lrgb-set","brand":"Optolong","model":"LRGB Filter Set","aka":[],"type":"lrgb","lines":[],"bandwidth":null,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":360,"year":null,"status":"current","includes":["Luminance filter","Red filter","Green filter","Blue filter"],"highlights":["Four-filter LRGB set for mono cameras","Mounted 1.25 in or 2 in, or unmounted"],"summary":"An L, R, G and B filter set for mono cameras, for building full-colour images of galaxies, clusters and reflection nebulae.","popularity":7,"visual":{"color":"#d9dde6","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong OIII 6.5nm","id":"optolong-oiii-6-5nm","brand":"Optolong","model":"OIII 6.5nm","aka":["Oxygen OIII 6.5nm"],"type":"narrowband","lines":["oiii"],"bandwidth":6.5,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":false,"price":230,"year":null,"status":"current","includes":[],"highlights":["6.5 nm OIII passband at 500.7 nm","Pairs with Hα and SII for SHO imaging"],"summary":"A 6.5 nm OIII narrowband filter for mono cameras that isolates the oxygen emission of planetary and emission nebulae.","popularity":5,"visual":{"color":"#16a89a","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong SHO Narrowband Filter Set 3nm","id":"optolong-sho-3nm-set","brand":"Optolong","model":"SHO Narrowband Filter Set 3nm","aka":[],"type":"narrowband","lines":["sii","ha","oiii"],"bandwidth":3,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":1200,"year":null,"status":"current","includes":["H-Alpha 3 nm filter","OIII 3 nm filter","SII 3 nm filter"],"highlights":["3 nm Hα, OIII and SII filters","Strong contrast in bright skies or moonlight"],"summary":"A three-filter 3 nm Hα, OIII and SII set for mono cameras, for narrow-band SHO imaging in bright skies or under a strong Moon.","popularity":5,"visual":{"color":"#b01a34","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong SHO Narrowband Filter Set 7nm","id":"optolong-sho-7nm-set","brand":"Optolong","model":"SHO Narrowband Filter Set 7nm","aka":[],"type":"narrowband","lines":["sii","ha","oiii"],"bandwidth":7,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":670,"year":null,"status":"current","includes":["H-Alpha 7 nm filter","OIII 6.5 nm filter","SII 6.5 nm filter"],"highlights":["Hα, OIII and SII in one set","Wider 7 nm bands suit f/4 and slower optics"],"summary":"A three-filter narrowband set (Hα 7 nm, OIII 6.5 nm, SII 6.5 nm) for mono cameras to shoot Hubble-palette SHO images.","popularity":6,"visual":{"color":"#c0182e","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Optolong SII 6.5nm","id":"optolong-sii-6-5nm","brand":"Optolong","model":"SII 6.5nm","aka":[],"type":"narrowband","lines":["sii"],"bandwidth":6.5,"sizes":["1.25in","2in","31mm","36mm","50mm"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":false,"price":230,"year":null,"status":"current","includes":[],"highlights":["6.5 nm SII passband near 672 nm","Completes the Hubble-palette SHO trio"],"summary":"A 6.5 nm SII narrowband filter for mono cameras that isolates the sulphur emission used for SHO colour palettes.","popularity":4,"visual":{"color":"#7d1d2a","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Orion UltraBlock Narrowband Nebula Filter","id":"orion-ultrablock","brand":"Orion","model":"UltraBlock Narrowband Nebula Filter","aka":["UltraBlock"],"type":"visual-nebula","lines":["hb","oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":110,"year":null,"status":"current","includes":[],"highlights":["Passes the OIII and Hβ lines","Blocks most skyglow"],"summary":"A narrowband nebula filter that passes the OIII and Hβ lines and blocks most skyglow, for visual observing.","popularity":7,"visual":{"color":"#2aa88a","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"SVBONY SV220 Dual-Band Filter","id":"svbony-sv220","brand":"SVBONY","model":"SV220 Dual-Band Filter","aka":["SV220"],"type":"dual-band","lines":["ha","oiii"],"bandwidth":7,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":80,"year":null,"status":"current","includes":[],"highlights":["7 nm Hα and OIII passbands","For one-shot colour and DSLR cameras"],"summary":"A 7 nm Hα and OIII dual-band filter from SVBONY for one-shot colour and DSLR cameras.","popularity":6,"visual":{"color":"#6b63e8","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Tele Vue Bandmate Type 2 Nebustar","id":"tele-vue-bandmate-type-2-nebustar","brand":"Tele Vue","model":"Bandmate Type 2 Nebustar","aka":["Bandmate II Nebustar","UHC Nebustar"],"type":"visual-nebula","lines":["hb","oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":350,"year":null,"status":"current","includes":[],"highlights":["UHC-type Hβ and OIII passband","Premium coatings from Tele Vue"],"summary":"A Tele Vue UHC-type nebula filter passing the Hβ and OIII lines for visual observing under light-polluted skies.","popularity":5,"visual":{"color":"#22b090","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"Tele Vue Bandmate Type 2 OIII","id":"tele-vue-bandmate-type-2-oiii","brand":"Tele Vue","model":"Bandmate Type 2 OIII","aka":["Bandmate II OIII"],"type":"visual-nebula","lines":["oiii"],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["visual"],"set":false,"price":320,"year":null,"status":"current","includes":[],"highlights":["Passes the OIII lines only","For planetary nebulae and remnants"],"summary":"A Tele Vue OIII line filter for visual observing of planetary nebulae, supernova remnants and emission nebulae.","popularity":5,"visual":{"color":"#13a595","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"ZWO 7nm Narrowband Filter Set","id":"zwo-7nm-narrowband-set","brand":"ZWO","model":"7nm Narrowband Filter Set","aka":[],"type":"narrowband","lines":["sii","ha","oiii"],"bandwidth":7,"sizes":["1.25in","31mm","36mm","2in"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":650,"year":null,"status":"current","includes":["Hα 7 nm filter","OIII 7 nm filter","SII 7 nm filter"],"highlights":["7 nm Hα, OIII and SII filters","Sizes to fit ZWO filter wheels"],"summary":"A three-filter 7 nm Hα, OIII and SII narrowband set from ZWO for mono cameras and filter wheels.","popularity":7,"visual":{"color":"#b81c30","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"ZWO Duo-Band Filter","id":"zwo-duo-band","brand":"ZWO","model":"Duo-Band Filter","aka":["DB1.25","DB2"],"type":"dual-band","lines":["ha","oiii"],"bandwidth":35,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"color","use":["imaging"],"set":false,"price":170,"year":null,"status":"current","includes":[],"highlights":["Hα 15 nm and OIII 35 nm passbands","Made for ASI one-shot colour cameras"],"summary":"A dual-band filter passing Hα (15 nm) and OIII (35 nm), aimed at ASI colour cameras but usable with any camera, in 1.25 in and 2 in cells.","popularity":7,"visual":{"color":"#6c5ce7","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"ZWO LRGB Filter Set","id":"zwo-lrgb-set","brand":"ZWO","model":"LRGB Filter Set","aka":[],"type":"lrgb","lines":[],"bandwidth":null,"sizes":["1.25in","31mm","36mm","2in"],"priceSize":"2in","camera":"mono","use":["imaging"],"set":true,"price":330,"year":null,"status":"current","includes":["Luminance filter","Red filter","Green filter","Blue filter"],"highlights":["Four-filter set for mono cameras","Sizes to fit ZWO filter wheels"],"summary":"A matched L, R, G and B filter set from ZWO for building colour images with mono cameras and filter wheels.","popularity":7,"visual":{"color":"#d5dae4","accent":"#16181c","base":null,"finish":"metallic"}},
{"category":"filter","name":"ZWO UV/IR Cut Filter","id":"zwo-uv-ir-cut","brand":"ZWO","model":"UV/IR Cut Filter","aka":[],"type":"uv-ir-cut","lines":[],"bandwidth":null,"sizes":["1.25in","2in"],"priceSize":"2in","camera":"any","use":["imaging"],"set":false,"price":70,"year":null,"status":"current","includes":[],"highlights":["Blocks ultraviolet and infrared light","Keeps star halos tight"],"summary":"A UV/IR cut luminance filter that blocks ultraviolet and infrared light to keep star halos tight with colour and mono cameras.","popularity":6,"visual":{"color":"#8fb8c8","accent":"#16181c","base":null,"finish":"metallic"}}
]