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Size:
12, 8.5
Eyepiece SMC Pentax XF 12
Designed for use with the PENTAX PF-65ED and PF-65EDA spotting scopes, the smc PENTAX XF8.5, XF12 and XF Zoom Eyepiece 6.5mm-19.5mm feature multi-coated optical elements, an American-standard 31.7mm (1.25 inch) sleeve and focal lengths ideal for outdoor viewing and bird watching.
The XF8.5 and XF12 are standard unifocal eyepieces, offering a focal length of 8.5mm and 12mm and a magnification of 46 and 32.5 times, respectively, with a 60-degree apparent field of view and a long 18mm eye relief. They also feature an extendible eyepiece ring with four click-stop positions.
The XF Zoom Eyepiece 6.5mm-19.5mm features a focal-length range of 6.5mm to 19.5mm for a magnification of 20 to 60 times, with an apparent field of view of 42 to 60 degrees and an eye relief of 11mm to 15mm. It also offers a user-friendly rubber eyepiece ring that never becomes too cold to touch while minimizing the risk of scratching the observers eyeglasses.
These eyepieces also come with a filter-mounting screw and an adapter-mounting screw.
Specifications
Lens Structure - 6 elements in 4 groups
Attachment Diameter - 31.7mm (1.25 inches)
Length & External
Diameter - 78 x 43mm
3.1 x 1.7 inches
Weight - 155g (5.5 oz.)
Screw Diameter for
Adapter - M30.5 =0.5
Magnification (in Pentax 65 Spotting Scope) - 32.5 x
Real Field of View - 1.8ﾺ
Apparent Field of View - 60ﾺ
Field of View at 1000m
(at 1000 yard) - 31m
(93 feet)
Exit Pupil - 2.0mm
Eye Relief - 18mm
Relative Brightness - 4.0
'
Guarantee
