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With the 31mm, the unique 6-element design using four exotic glasses, maintains the contrast advancement of the Type 4s while achieving a true field area 82% larger than the 22mm Type 4! Owners of fast Dobsonian/Newtonians can enjoy a larger true field, free of secondary shadowing, than ever before. For example, a 12.5", f/4.5 scope with a Paracorr will deliver a 1.5 degree field (3 Moon diameters), at 53x with a 6mm exit pupil.
Type: Nagler 5
Focal Length: 31 mm
Barrel Size: 2"
Apparent Field of View (deg.): 82
Eye Relief (mm): 19
Weight lb/oz: 2.20 / 35.2
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