Zoom from low power to high power instantly with SVBONY SV135 1.25 inch zoom eyepiece. SV135 fully multi-coated zoom plossl eyepiece zooms to any focal length between 7 mm and 21 mm. Pick the best magnification for your object and enhance your view! SV135 zoom eyepiece has M28.5*0.6 threads on the bottom very convenient for connecting filter; compatible with 1.25-inch telescopes and accessories; works great for photography. 15mm long eye relief distance ensure relaxing observation and keep your eyes comfortable, especially for users who wear glasses; the rubber eye guard provides comfort and blocks unwanted stray light. Suitable for observing a variety of celestial targets. SV135 zoom eyepiece could bring you a better observation experience in a comfortable situation with high-contrast imaging; designed primarily for viewing lunar surfaces; jupiter and saturn; nebulae; clusters; and diffuse nebulae. SV106 provides you with a compact & lightweight star guiding solution. SV106 60mm multi-use guide scope with Helical Focuser is an ideal addition to any astrophotographer's collection of gear. Works with most short-medium focal length imaging systems. Guiding Scope Ring Kit. Full metal structure. Suitable for lens barrels with diameters ranging from 43-70mm. 1.25" standard interface. Built-in brass ring for eyepiece protection. External M42*0.75 male thread - can be connected to SLR through T ring(not included in the package). SVBONY Universal Dovetail Base is compatible with finder scope; can be installed on telescope; Compatible with Clestron Orion Sky-watcher Vixen and so on. Bases feature two large thumbscrew locks to secure the finder scope bracket in place; very easy to install and detach your finder scope or reflex sight;even though wearing gloves. CNC machining ensures smooth surface and precise cutting of rail, it fits your telescope perfect. Made of premium aluminium alloy, solid construction is wearable and durbale for years of use.