This 40mm focal length 1.25" eyepiece is ideal for all types of
telescopes: reflector, refractor, and catadioptrics such as
40mm telescope eyepiece excels at extra low power scanning of open star
clusters and viewing of nebulas and larger galaxies. This is my favorite lower-power eyepieces
Offers a 42-deg apparent field of view (AFoV) for clear, sharp images
of impressively high contrast.
Multi-coated for excellent light transmission and bright, clear views.
The measured field stop diameter is 26mm
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Filed under: Eyepieces & Accessories