XF Series

Developed for exclusive use with the compact PF-65ED and PF-645EDA spotting scopes, the smc PENTAX XF series offers a choice of three distinctive eyepieces: two unifocal models with a long eye relief and a wide angle of view, and one zoom model with a 20-60X variable magnification range. When the rotatable eyecup is removed, they feature an adapter-mounting screw (30.5mm in diameter with a 0.5mm pitch for the unifocal models, and 43mm in diameter with a 0.75mm pitch for the zoom model).

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$129.00

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 observer’s eyeglasses.

These eyepieces also come with a filter-mounting screw and an adapter-mounting screw.

Specifications

smc PENTAX XF-Series Eyepieces only

Product name

smc PENTAX XF12

smc PENTAX XF8.5

smc PENTAX XF ZOOM EYEPIECE 6.5mm-19.5mm

Lens Structure

6 elements in 4 groups

Attachment Diameter

31.7mm

Length & External Diameter

78 x 43mm

83 x 43mm

88 x 50mm

Weight

155g

150g

240g

Screw Diameter for Adapter

M30.5 P=0.5

M43 P=0.75

Modle No.

70532

70531

70530

smc PENTAX XF12 with Spotting Scope 
Product namePENTAX PF-100EDPENTAX PF-80EDAPENTAX PF-80EDPENTAX PF-65EDAPENTAX PF-65ED
Magnification52X43X42X32.5X32.5X
Real Field of View1.2°1.4°1.5°1.85°1.85°
Apparent Field of View60°60°60°60°60°
Field of View at 1000m21m24m26m32m32m
Exit Pupil1.9mm1.8mm1.9mm2.0mm2.0mm
Eye Relief18mm18mm18mm18mm18mm
Relative Brightness3.13.23.144
smc PENTAX XF8.5 with Spotting Scope 
Product namePENTAX PF-100EDPENTAX PF-80EDAPENTAX PF-80EDPENTAX PF-65EDAPENTAX PF-65ED
Magnification74X61X59X46X46X
Real Field of View0.8°0.95°1.3°1.3°
Apparent Field of View60°60°60°60°60°
Field of View at 1000m14m16.5m17m22m22m
Exit Pupil1.4mm1.3mm1.4mm1.4mm1.4mm
Eye Relief18mm18mm18mm18mm18mm
Relative Brightness1.91.61.91.91.9
smc PENTAX XF Zoom Eyepiece 6.5mm-19.5mm with Spotting Scope 
Product namePENTAX PF-100EDPENTAX PF-80EDAPENTAX PF-80EDPENTAX PF-65EDAPENTAX PF-65ED
Magnification32.5X-97.5X27X-81X26X-78X20X-60X20X-60X
Real Field of View1.3°-0.95°1.8°-0.95°1.6°-0.8°2.1°-1°2.1°-1°
Apparent Field of View42°-60°42°-60°42°-60°42°-60°42°-60°
Field of View at 1000m22.5m-11m31m-16.5m28m-14m37m-17m37m-17m
Exit Pupil3.0mm-1.0mm3.0mm-1.0mm3.0mm-1.0mm3.2mm-1.1mm3.2mm-1.1mm
Eye Relief11mm-15mm11mm-15mm11mm-15mm11mm-15mm11mm-15mm
Relative Brightness0.9-1.00.9-1.00.9-1.010.2-1.210.2-1.2

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