Oculaire Zoom SVBONY SV191 Super Grand Angle 7.2-21.6mm - SVBONY facebook 4 extension tubes of different

4 extension tubes of different lengths

Conçues pour les passionnés d'observation de la nature et d'ornithologie

projecting the image of the sun at the center of a small disk

Compatible with all telescopes using 1

Eyepieces: Twist-up

Oculaire Zoom SVBONY SV191 Super Grand Angle 7.2-21.6mm - SVBONY facebook 4 extension tubes of differentOptimize your observation sessions with the SVBONY SV191 zoom eyepiece. This 7. 2 21. 6mm super wide angle eyepiece allows you to easily adjust the magnification power without having to change eyepieces, making it ideal for both astronomy and use with riflescopes. Characteristics Advantages Compatibility Delivered elements Focal length: 7. 2 21. 6 mm Eye relief: 18 20 mm Apparent field of view: 42 65 Field diameter: 16 mm Lens structure: 7 elements, 4