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Leica - 25-50x WW Aspherical Eyepiece
B&H# LE2050AVE Mfr# 41019
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Leica's 25-50x WW Aspherical Eyepiece for their 65mm and 82mm Televid spotting scopes is an exciting watershed device, a reason unto itself to choose Leica over the other premium brands.  It is the first zooming telescope eyepiece which has a wide angle of apparent field of view throughout its zooming range, instead of exclusively in the higher-magnification range as is the case with other zooms.

The apparent field here goes from 59 to an astounding 80°, surrounding your eye with a view that is only more vast in a handful of fixed-magnification extreme wide angle specialists in the astronomy realm.  Despite this, eye relief maintains a constant, comfortable distance of 19mm.  Like any modern eyepiece it has a rubber armored body with helicoid-style eyecup, and like all Leica eyepieces it is nitrogen filled and individually tested to assure its watertight status.

World's first zoom eyepiece with wide angle viewing at all magnification levels
Light, silent, and durable rubber-encased die cast magnesium housing
Leica's hydrophobic AquaDura external coating sheds moisture, resists dust and debris, and cleans easily
Extreme temperature operating range
Simple, click-locking bayonet fitting
Broad turning style soft rubber eyecup
Individually tested to be watertight at 5 meters
Directly accepts Leica's Digital Adapter 3 for simple, low-mass digiscoping
Magnification 25-50x
Angle of View 2.3-1.6°
Field-of-View (@ 1000 Yds) 92-34' (41-28 m @ 1000 m)
Exit Pupil Diameter 3.3-1.6mm with 82mm scopes
2.6-1.2mm with 65mm scopes
Eye Relief 19mm
Relative Brightness 10.8-2.7 with 82mm scopes
6.8-1.7 with 65mm scopes
Twilight Factor 45.3-64.0 with 82mm scopes
40.3-57.0 with 65mm scopes
Weatherproofing Waterproof & fogproof
Dimensions 2.3 x 3.9" (58 x 100mm) WxH
Weight 0.86 lb (390g)
Leica 25-50x WW Aspherical Eyepiece
  • Push-On Front Eyepiece Cap
  • Bayonet Bottom Eyepiece Cap
  • Limited Lifetime Warranty
  • 3-Year Leica "Passport" Warranty