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TeleVue 17mm Ethos Eyepiece



The 17mm ETHOS is an ideal complement to the 31mm Nagler Type-5. They are parfocal (both have focus locations about 3/8" above shoulder) and the 31mm Nagler Type-5 has exactly twice the true field area.
  

17-mm
Model # ETH-17.0
Focal Length (mm) 17
Barrel Size (in.) 2"
Apparent Field of View (deg.) 100
Eye Relief (mm) 15
Weight (lb / oz) 1.55 / 24.8
Field Stop (mm) 29.6


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