SVBONY Reticle Eyepiece 1.25 inches Illuminated Eyepiece Bundle with SV106 Guide Scope with Helical Focuser, for Astronomical Observation

SVBONY 12.5mm illuminated eyepiece features double crossline reticle; for accurate polar positioning and long-exposure photo-guiding when using with off-axis guiders for centering and guiding of stars. Double crosshair design, can easily align the target object. Helps locate and center stars well;also fits for guiding astrophotos when used in off-axis guiders or guide scopes; Notice deviation of the positioning easily;so that guide star and reticle appear in ideal sharpness and definition. Adjustable red LED light brightness control to illuminate crosshairs and preserve night vision, you can twist the knob to meet your different requirement. This versatile 50mm aperture guide scope with a built-in helical focuser for precise focusing of potential guide stars.Designed for use with the guider CCD astronomy camera or eyepiece. It is an ideal accessories to any astrophotographers. Extinction design of telescope. Taper matt tooth and spray matting paint design can greatly reduce the light loss of light in the entire lens barrel, making the image clearer and sharper; Unique design with double protection to avoid loss of light, making the images you observe clearer and sharper. 604g and 240mm total length that is very small and compact autoguiding system adds hardly any weight to an astrophotography setup.

• 12.5mm Plossl eyepiece with red LED illuminated double line crosshair reticle;it's idea for measuring double star angular separations;position angles;planetary diameters and lunar crater diameters
• Steplessly adjust the brightness of dual crosshair reticle;rotate switch on the side to put it on;shut it off and adjust the brightness
• 50mm guide scope will help guide you to capturing higher quality astrophotos; with its 50mm lens and smooth helical focuser; the versatile 50mm multi-use guide scope with helical focuser is an ideal addition to any astrophotographers collection of gear
• Multi-use guide scope with helical focuser features a built-in helical focuser that allows precise focus adjustments with zero flexure for rigid performance; obtaining a clear, sharply focused view of potential guide stars is quick and easy with this sturdy scope
• High power guide scope features a machined, knurled ring to make fine focus adjustments nice and easy; while a thumbscrew lets you lock-down the focuser in-place once adjustments are complete; the focuser boasts 8 mm of precise helical focus travel, plus telescoping drawtube housing provides up to 30 mm of additional back-travel if needed for your particular autoguider device