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If you have to wear thick glasses, select Interchangeable Kowa Eyepieces for Spotting Scopes with long eye relief TSE 17-HC 27 x LER for TSN820 Kowa Spotting Scopes . These have a profoundly-long distance between the rear element and the location which your pupil can be while still being able to observe the entire field of view.

Specifications for 17 HC Kowa Long Relief Interchangeable Eyepiece 27xLER for TSN 820 Series 82mm Spotting Scope (TSE17HC):

Model:  TSE-17HC
Magnification:  27xLER
Real Field of View:  1.3o
Apparent Field of View:  35.4o
Exit Pupil Diameter:  3.1mm
Relative Brightness:  9.6
Eye Relief:  31.5mm
Field of View at 1000m:  22.7m
TSN-DA1 compatibility:  Yes

Package Contents:

  • Kowa Interchangeable 17HC 27x LER Long Eye Relief Eyepiece for TSN-820 Series 82 mm Kowa Spotting Scopes