Explore Scientific 52° 3 mm Waterproof Eyepiece - EPWP5203-01 Color Imaging Cameras the user focuses their instrument

the user focuses their instrument for a sharp stellar image

We were gratified but not surprised that Backyard Astronomer''s Guide said of the NP101: "optics don''t get any better than this

utilizing materials

but lighter weight than traditional aluminum alloy housings

Explore Scientific 52° 3 mm Waterproof Eyepiece - EPWP5203-01 Color Imaging Cameras the user focuses their instrumentExplore Scientific 52 3 mm Waterproof Argon Purged Eyepiece A new focal length joins the Explore Scientific line of inert gas purged Waterproof Eyepieces with the 3mm 52 Series Eyepiece. A logical companion for the grab and go ED80mm f 6 Air Spaced Triplet, this eyepiece produces 160X which will perform very well with good seeing conditions. On the ED152 at f 8, 405X is achieved without the use of a Focal Extender or Barlow for those nights of near