Guide scopes and off-axis guiders (18)
Static, script-free list for people, search engines and AI agents. Machine-readable data: data/guiding.json (field reference in SCHEMA.md). Prices are typical new street prices in US dollars; check retailers before buying.
| Product | Type | Aperture mm | Focal length mm | Prism mm | Weight kg | USD | Status |
|---|---|---|---|---|---|---|---|
| Askar 32mm F4 Guide Scope A light 32 mm f/4 guide scope with a 128 mm focal length and helical focuser, a slightly larger alternative to the 30 mm mini guide scopes. | guide-scope | 32 | 128 | 0.3 | 100 | current | |
| Askar 52mm Super ED Guide Scope A 52 mm f/4.8 guide scope with Super ED glass and a 249.6 mm focal length, suited to longer focal length imaging setups and fainter guide stars. | guide-scope | 52 | 249.6 | 0.7 | 290 | current | |
| Celestron Off-Axis Guider Celestron's off-axis guider for SCT and EdgeHD telescopes, with a 12.5 mm prism, 48 mm clear aperture and an 8 mm helical focuser for the guide camera. | oag | 12.5 | 0.4 | 350 | current | ||
| iOptron iGuider Mini Guiding Scope iOptron's 30 mm mini guiding scope with a 120 mm focal length, sold as part of the iGuider guiding range. | guide-scope | 30 | 120 | 0.25 | 95 | current | |
| Orion Mini 50mm Guide Scope A 50 mm f/3.2 air-spaced achromatic guide scope with a 162 mm focal length, made to pair with small 1.25-inch autoguider cameras. | guide-scope | 50 | 162 | 0.45 | 100 | discontinued | |
| QHY Mini Guide Scope A 30 mm f/4.3 doublet mini guide scope with a 130 mm focal length, designed for QHY5-II and QHY5III guide cameras and sold with a mounting bracket. | guide-scope | 30 | 130 | 0.3 | 130 | current | |
| QHY OAG-L The large version of QHY's off-axis guider, with a 68 mm main body for bigger sensors, an 8 x 8 mm multi-coated prism and 13 mm total thickness with thread ring. | oag | 8 | 0.2 | 230 | current | ||
| QHY OAG-M A thin QHY off-axis guider for medium-size sensors with an 8 x 8 mm multi-coated prism; 10 mm body, 13 mm with thread ring, bolting to QHY cameras and filter wheels. | oag | 8 | 0.1 | 180 | current | ||
| Sky-Watcher EvoGuide 50DX A 50 mm f/4.8 ED doublet guide scope with a 242 mm focal length, helical focuser and mounting rings, suited to longer focal length imaging setups. | guide-scope | 50 | 242 | 0.85 | 380 | current | |
| SVBONY SV106 Guide Scope 60mm A 60 mm f/4 achromatic guide scope with a 240 mm focal length and plenty of light grasp for finding faint guide stars. | guide-scope | 60 | 240 | 0.8 | 100 | current | |
| SVBONY SV165 Mini Guide Scope 30mm A budget 30 mm f/4 mini guide scope with a 120 mm focal length and helical focuser, aimed at small 1.25-inch guide cameras. | guide-scope | 30 | 120 | 0.34 | 45 | current | |
| SVBONY SV165 Mini Guide Scope 40mm A 40 mm f/4 version of the SV165 mini guide scope with a 160 mm focal length and more light grasp for finding guide stars with small cameras. | guide-scope | 40 | 160 | 0.45 | 65 | current | |
| William Optics UniGuide 32mm A 32 mm f/3.75 guide scope with a 120 mm focal length and slide-base mount, in an anodised body offered in five colours. | guide-scope | 32 | 120 | 0.24 | 135 | current | |
| William Optics UniGuide 50mm A 50 mm f/4 guide scope with a 200 mm focal length and slide-base mount, offered in several anodised colours. | guide-scope | 50 | 200 | 0.52 | 200 | current | |
| ZWO 30F5 ED APO Mini Guide Scope ZWO's 30 mm f/5 ED APO mini guide scope with a 150 mm focal length, the ED-glass alternative to the 30F4. | guide-scope | 30 | 150 | 0.35 | 150 | current | |
| ZWO Mini Guide Scope 30F4 A compact 30 mm f/4 guide scope with a 120 mm focal length and helical focuser, supplied with a guide ring and Synta-style dovetail for finder-shoe mounting. | guide-scope | 30 | 120 | 0.24 | 100 | current | |
| ZWO OAG A slim off-axis guider with an 8 x 8 mm prism that needs 16.5 mm of back focus; it holds a 1.25-inch guide camera and has M42 and M48 threads. | oag | 8 | 0.1 | 130 | current | ||
| ZWO OAG-L A larger off-axis guider with a 12 x 12 mm prism for APS-C and full-frame sensors, 22.5 mm thick including its thread, designed to bolt onto ZWO filter wheels. | oag | 12 | 0.2 | 200 | current |