Alstar 1.25" 4mm Plossl Telescope Eyepiece - 4-element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters

This is a very nice medium power eyepiece set.

1.25- inch 4mm plossl eyepiece set , gives the widest viewing field along with extra sharpness and long eye relief.

4-element plossl design, has a approx 52- degree AFOV.

Perfect for broad-field lunar observations, medium-sized star clusters, and a wide range of cloudy nebulas and deep-sky targets.

Comes with sturdy plastic case-proect the eyepiece from dust and moisture.

Soft rubber eye guard that's custom fitted with a bayonet mount.

Threaded for standard 1.25- inch astronomy filters and barlow lens.