Product OverviewThe Askar 52mm f/4 Guide Scope is a compact, bright autoguiding telescope for astrophotography setups. With a 52mm aperture and 208mm focal length, it provides a practical balance of light-gathering, image scale, and portability for guiding deep-sky imaging rigs.Who Is This Product Best For?This guide scope is best for astrophotographers who need a reliable 52mm guide scope for portable or mid-size imaging telescopes and want a simple, lightweight guiding solution.Why Choose This Product? 52mm aperture and 208mm focal length. Fast f/4 focal ratio for bright guide-star pickup. Doublet objective design. Integrated helical focuser with 25mm focuser travel. XY-axis adjustment to help align with the main optical tube. Rear adapter support for 1.25-inch and M42x0.75 connections. Recommended Uses Autoguiding for deep-sky astrophotography. Portable imaging rigs. Finder-scope style alignment and target acquisition. Lightweight secondary optical system for astronomy setups. Compatibility and Accessory NotesThe guide scope includes rear adapter support for 1.25-inch and M42x0.75 connections, with 40mm extension tubes supplied for setup flexibility. The base fits universal finder slots and includes 1/4-inch and M4 threaded holes.Important Limitations Requires a compatible guide camera for autoguiding. Mounting fit should be confirmed before purchase. Designed as a guide scope or finder-style telescope, not a main high-resolution imaging telescope. Frequently Asked QuestionsWhat is it best used for?It is best used as a compact 52mm guide scope for astrophotography.Does it have a helical focuser?Yes, it includes an integrated helical focuser with 25mm of travel.Can it connect to common guide cameras?Yes, the 1.25-inch and M42x0.75 rear adapter options support many common guide-camera setups.Our RecommendationOntario Telescope recommends the Askar 52mm f/4 Guide Scope for customers who want a simple, capable guide scope with more aperture than a 30–32mm mini guide scope. Aperture 52mm Focal Length 208mm Focal Ratio f/4 Objective Type Doublet Overall Length 195mm OTA Weight 0.62kg Rear Adapter M42x0.75 and 1.25-inch adapter Focuser Integrated helical focuser, 25mm travel
