52mm aperture 208mm focal length Doublet lens design Integrated helical focuser All-metal design Finder base bracket X-Y axis fine adjustment 1.25''adapter/ M42 thread adapter 52mm F4 Guide Scope is light, compact, and stable. With an aperture of 52mm, a focal length of 208mm, and a travel length of 25mm, it weighs only 631g. The design of the doublet objective lens and precise X&Y-axis fine adjustment gives it high accuracy and high stability, offering the users more functions and effects. The aperture area of the 52mm F4 guide scope is 164% larger than that of the 32mm F4 guide scope, with the increase of light into， the limiting magnitude can reach 10.4. In addition to guiding, the 52mm F4 guide scope can also be used for visual observation. To fully consider the user's feelings, the Helical focusing design is adopted for smooth use. Users can directly turn the focuser manually to adjust. The focuser sets an M3 locking screw hole, more convenient to use.52mm F4 Guide Scope comes with a 1.25” adapter and an M42 threaded adapter, basically satisfying users' requirements of connecting their imaging train. The 52mm F4 guide scope has a standard Vixen style base and also has a 1/4 threaded hole and an M4 threaded hole on the base for easy attachment. The outlook design is based on high technology, high standard, and high quality. The accessories are delicate, and the coating is uniform in texture. There are black and silver versions to choose from for the guide scope. The black one carries on our range of products with a calm tone; the silver one’s metallic covering looks more technical and the advanced manufacturing process gives it a textured feel, providing consumers with more options. The outlook design is based on high standards and high quality. The whole scope is delicate, and the coating is uniform in texture. There are black and silver versions to choose from. The black one with a calm tone and the silver one looks more technical. The advanced manufacturing process gives them a textured feel, providing consumers with more options. Specifications 52mm F4 Guide Scope Parameters Aperture 52mm Focal length 208mm Focal ratio f/4 Objective type doublet Overall length 212mm OTA Weight 0.63kg Rear-end adapter type M42×0.75 adapter 1.25"adapter Package information a body, a manual Product Size Diagram Diagram of the focuser's stretch-out and draw-back
