●SV191 Super Wide Angle 1.25 inch (7.2 mm) - 0.8 inch (21.6 mm) Zoom Eyepiece uses high-refractive glass, allowing you to change magnification without changing the eyepiece ●7-element / 4-group lens configuration provides crisp, high-contrast perspective ●Fully coated with an anti-reflective coating, the edges of the lens are matte coated to effectively prevent reflected lines. Provides maximum contrast and ensures superior optical performance ●Extra long 18mm to 20mm eye relief range allows you to use your glasses without reducing the visibility visible through the eyepiece ●SV191 series zoom eyepiece supports pluggable SV406P series bird watching field scope for perfect focus
Description
The SV191 1.25" Ultra Wide Angle Zoom Eyepiece uses high-refractive glass to change magnification without changing the eyepiece.
Made of high-index glass, you can change the magnification without changing the eyepiece.The SV191 eyepiece belongs to the wide-angle zoom eyepiece type.Maximum performance field of view is 65 degrees.
High quality image
7-element / 4-group lens configuration for crisp, high-contrast perspectives
Superior Optical Performance
It is fully coated and the edges of the lens are matte coated to effectively prevent reflections.Provides maximum contrast and ensures superior optical performance
Humanized design
The ultra-long 18mm to 20mm eye relief range not only meet the needs of eyeglass users, but also avoid the visual ghosting problems caused by excessive long exit pupil distance