Land Sea & Sky
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The Altair 2" premium diagonal has a CNC machined chassis to hold extra heavy accessories without flexing, a 2" push-fit adapter with non-marring compression ring, and a 99% reflective mirror with dielectric-coatings.
These eyepieces are specially designed to offer an excellent field of view while the fully multi-coated lenses increase light transmission and color quality.
This Kelner-type eyepiece features 2 groups with 3 elements. This simple configuration provides clear and clean views.
This orthoscopic eyepiece has 4 elements in 2 groups low distortion, particularly in the center of the field.
Altair Ultraflat eyepieces correct field curvature for flat, distortion-free images right up to the field edge, even in very fast focal ratio telescopes.