Pentax SMC XF 8.5mm Eyepiece is available at Microglobe at discounted price. Microglobe is largest online sport optics store of the UK.
Pentax SMC XF 8.5mm Eyepiece
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Features - Pentax SMC XF 8.5mm Eyepiece |
| Works well with any Pentax spotting scope, as well as with other telescopes which accept the standardized 1.25" eyepieces |
| Rubber eyepiece ring designed for viewing comfort |
| Lightweight, compact, durable and sophisticated design |
| Helicoid-type eyecup with four detented click-stop positions |
| Also can be use with astronomical telescopes with 1 1/4" focuser |
| Weather resistant construction for durability and harsh weather application |
| High grade SMC full-surface multi-layer coated optics reduce glare while providing maximum light transmission and colour quality |
| Advanced computer simulation design technology to reduce internal reflections, producing brighter, clearer images |
| High-refraction, low dispersion lanthanum glass to provide high resolution images with minimal aberrations |
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Specification - Pentax SMC XF 8.5mm Eyepiece |
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| Model | SMC XF 8.5mm |
| Magnification | 46x (with the PF-65ED) |
| Field Stop Diameter | 8.8mm |
| Thread Size | 1.25" |
| Exit pupil (mm) at minimum magnification | 1.4mm (with the PF-65ED) |
| Field of View at 1,000m | 22m (with the PF-65ED) |
| Angular Field of View | 1.3° (with the PF-65ED) |
| Eyerelief | 18mm |
| Lens Construction | 6 Elements are Arranged into 4 Groups |
| Relative Brightness | 1.90 (with the PF-65ED) |
| Twilight Factor | 54.6 (with the PF-65ED) |
| Dimensions | 43 x 83mm |
| Weight | 150g |
Kit Content
Pentax SMC XF 8.5mm Eyepiece
User Operating Instructions Manual
For more information about, Pentax SMC XF 8.5mm Eyepiece website.
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