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To optimize the performance of Pentax PF-65ED and PF-65ED-A Spotting Scopes, Pentax has developed Pentax XF 8.5 Eyepiece 70531 featuring a bright, high-contrast image, an American-standard 31.7mm sleeve and focal lengths ideal for outdoor viewing and bird watching.
With a focal length of 8.5 mm , the high-performance PENTAX XF8.5 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.
Specifications for XF Pentax 8.5mm Eyepiece:
Magnification:Â
 46x
Focal Length:Â
 8.5mm
Apparent Field of View:Â
 60 degrees
Eye Relief:Â
 18mm
Package Contents:
Pentax XF 8.5 Eyepiece
Specifications for Pentax XF 8.5 Eyepiece:
Manufacturer:
Pentax
Weight:
150 g
Features of Pentax XF 8.5 Eyepiece
With JIS Class 4 weatherproof construction, the XF eyepieces are more durable and water resistant.
With a focal length of 8.5mm, the high-performance PENTAX XF 8.5 eyepiece is ideal for outdoor viewing and bird watching. It is also recommended for use with astronomical telescopes with 1 1/4" focuser. As a standard unifocal eyepiece it offers long eye relief, and bright, high-contrast images.
The rotatable eyecup offers an adaptor-mounting screw/thread when removed (single-focus models: 30.5mm in diameter with a 0.5mm pitch; zoom: 43mm in diameter with a 0.75mm pitch).
Compatible with the following: PF-65 and PF-65ED(A)II series spotting scopes, PF-80 series spotting scopes, PF-100 series spotting scopes.