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Pentax - XF-8.5 Eyepiece - DISCONTINUED

Model#: 70531

Discontinued Product

Manufactured by: Pentax

Details

This is a discontinued item. We recommend the Meade 9mm Plossl Series 5000 Wide Angle 60° Eyepiece as a replacement.

The compact PENTAX XF series is ideal for planetary observations as well as general outdoor viewing. Each eyepiece provides a 60-degree field of view and also features smc full-surface multi-layer lens coating for improved light transmission and high-refraction, low-dispersion glass elements for high-resolution images with minimal aberrations. These eyepieces may also be used with PENTAX PF-65ED and 65ED-A spotting scopes. With a focal length of 8.5mm, the high-performance PENTAX XF 8.5 eyepiece is ideal for outdoor viewing and bird watching. As a standard unifocal eyepiece it offers a 60 degree apparent field of view, long eye relief, and bright, high-contrast images. Lens Structure: 6 elements, 4 groups Magnification: 46X Real Field of View: 1.3 degrees Apparent Field of View: 60 degrees Field of View at 1000m: 22m Field of View at 1000 Yards: 66 ft. Angle of View: 1.3 Exit Pupil: 1.4mm Eye Relief: 18mm Field Stop Diameter: 8.8mm Relative Brightness: 1.9 Height & Width: 3.3" x 1.7" Weight: 5.3 oz. (150g)

Product Series

The compact PENTAX XF series is ideal for planetary observations as well as general outdoor viewing. Each eyepiece provides a 60-degree field of view and also features smc full-surface multi-layer lens coating for improved light transmission and high-refraction, low-dispersion glass elements for high-resolution images with minimal aberrations. These eyepieces may also be used with PENTAX PF-65ED and 65ED-A spotting scopes.

Additional Information

Name Pentax - XF-8.5 Eyepiece - DISCONTINUED
Manufacturer Pentax
Model 70531
Discountinued Yes
Eyepiece Apparent FOV 60
Eyepiece Apparent FOV2 0
Eyepiece Barrel Size 1.25"
Eyepiece Eye Relief 18
Eyepiece Eye Relief 2 0
Eyepiece Field Stop 8.8
Eyepiece Focal Length 8.5
Eyepiece Focal Length2 0.0
Eyepiece Elements 6