1.25" SWA 58 Degree 4mm Planetary Eyepiece Eye Piece for Astronomical Telescope

Features:
Designed primarily for planetary observation and deep sky objects
Exceptional at nearly eliminating lateral color aberration and light scatter while retaining excellent sharpness, contrast and definition
Fully multi-coated green lenses for excellent image contrast and light transmission
Wide 58 degree field of view, fold-down rubber eyecup
Standard 1.25" fitting diameter to the scope's eyepiece holder
Standard 1.25" inner thread to fit light filters
Comes with lens caps for both ends
Focal length: 4mm
Large eye lens diameter: 21mm
Comfortable long eye relief: 15mm
Net Weight: 160g
Package Includes:
1 x SWA 1.25" 4MM 58-Degree Planetary Eyepiece