Astronomy lens for telescope 0.965inch SR4mm eyepiece partApplication:Support all types of telescopes, reflector, refractor, to observe the star clusters, moon, , planets and other celestial bodies.<br> 35 Degree Field of View:Wide viewing field with extra sharpness and long eye relief.<br> Fully Coated:high quality optical glass for maximum brightness.<br> Suitable for 0.965inch/24.5mm telescope eyepiece filters.<br> Colour:Black+silver<br> Material:Optical glass + metal<br> Size:3.7x2.8 cm/1.46x1.10 inch<br> Length:4 mm/0.15 inch<br> Eyepiece Port:24.5 mm/0.965 inch<br> Package Contents:<br> 1 x Telescope Eyepiece<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.