Oculaire Zoom SVBONY SV191 Super Grand Angle 7.2-21.6mm - SVBONY facebook Visible Field: 303 feet at

Visible Field: 303 feet at 1000 yards (101 meters at 1000 meters)

Eyepieces: Twist-up

ideal for birdwatching and photography

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

Oculaire Zoom SVBONY SV191 Super Grand Angle 7.2-21.6mm - SVBONY facebook Visible Field: 303 feet atOptimize 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