SVBONY Reticle Eyepiece 1.25 inches Illuminated Eyepiece 12.5mm Double-line Crosshair LED Illuminator 40 Degree FOV 4 Elements Design Telescope Accessory Guide Star

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 Multi-coated 4-elements Plossl design for excellent color correction and sharpness;it also offers excellent light transmission and sharp imaging on faint stars Wider view angle and bright high contrast views;40 degree apparent field of view with 11 mm comfortable eye relief;It's a great Halloween birthday christmas gift Standard 1.25" eyepiece;suitable for any standard 1.25" telescope filters and other astronomical devices