"Eyepiece SMC Pentax XF 11/4"" Tube Zoom" in Fort Myers, Florida For Sale

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Pentax xxxx0 Eyepiece SMC Pentax XF 11/4"" Tube Zoom
Pentax XF Zoom Eyepiece
PENTAX XF eyepieces offer high-refraction, low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations. Ideal for observation and photography of planets. PENTAX-original smc full-surface multi-layer lens coating improves light transmission efficiency. With JIS Class 4 weatherproof construction, the XF eyepieces are more durable and water resistant.
Features:
- Designed for use with PENTAX spotting scopes and telescopes
- PENTAX-original smc full-surface multi-layer lens coating to improve light transmission efficiency
- JIS Class 4 weatherproof construction makes these eyepieces more durable and water resistant
- High-resolution, low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations
- Advanced computer simulation design technology was used to drastically reduce internal reflections producing brighter, clearer images
Specifications:
20x-60x
APPARENT FIELD OF VIEW: 42-60 degrees
REAL FIELD OF VIEW: 2.1 - 1 degrees
FIELD OF VIEW AT xxxxM: 31-17m
FIELD OF VIEW AT xxxxY: 117 - 51 ft.
EXIT PUPIL: 2.2- 1.1mm
EYE RELIEF: 11-15mm
RELATIVE BRIGHTNESS: 10.2-1.2
HEIGHT WIDTH: 3.5
WEIGHT: 8.5 oz. (240g) "Price: $242.5
Source: http://www.sportsmanstooloutfitters.com/eyepiece-smc-pentax-xf-11-4-tube-zoom.html