Features:
Wide 48 field of view for observing lunar objects, star clusters, nebulas, and deep sky targets.
Fully multi-coated HD optical glass for bright and high-contrast views.
Matte blackened lens edges to prevent stray light.
Foldable rubber eyecup for comfortable and stable viewing.
22mm proper exit pupil distance for longer eye relief.
Standard 1.25" interface for compatibility with telescopes.
M28.5 x 0.6 interface for attaching filters.
Cross-patterned non-slip pads for secure and easy setup.

Specifications:
Weight: 5Oz/143G
Material: Aluminum Alloy, Rubber
Focal Length: 40 mm
Field of View: 48
Exit Pupil Distance: 22 mm
Optical Design: 2 Groups, 4 Elements
Film System: Fmcp

Package Includes:
1 x 40Mm Plssl Eyepiece