Super wide angle 58 degree apparent field of view.
Super sharp --with five elements fully-coated high-index glass, to give you excellent aberration correction and extremely high resolution rivaling higher-priced eyepieces.
Blackened lens edges, anti-reflection threads for maximum contrast.
Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal
Brand Name svbony Field of View 58 degrees Barrel Size 1.25 inches (31.7 mm) Exit Pupil Distance 15mm Focal Length 4mm Large eye lens diameter 21mm Net Weight 160g
1.Designed primarily for planetary observation and deep sky objects
2.Exceptional at nearly eliminating lateral color aberration and light scatter while retaining excellent sharpness, contrast and definition
3.Fully multi-coated green lenses for excellent image contrast and light transmission
4.Wide 58 degree field of view, fold-down rubber eyecup
5.Standard 1.25" fitting diameter to the scope's eyepiece holder
6.Standard 1.25" inner thread to fit light filters
7.Comes with lens caps for both ends
8.Focal length: 4mm
9.Large eye lens diameter: 21mm
10.Comfortable long eye relief: 15mm
11.Net Weight: 160g