Svbony New 1.25 inch SWA 58 Degree 4mm Planetary Eyepiece for Astronomical Telescope Black

•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 mufti-coated green lenses for excellent image contrast and light transmission

•Wide 58 degree field of view, fold-down rubber eyecup 5.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: 164g