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smc PENTAX XF 8.5 - Ülevaade

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High-performance, exceptional value eyepiece exclusively designed for PENTAX Spotting Scopes.

  • Designed for use with Pentax PF 65 Series Spotting Scopes, provides a long eye relief when used with them
  • Also recommended for use with astronomical telescopes with 1 1/4" focuser
  • Weatherproof construction for greater durability
  • Pentax SMC full-surface multi-layer coated optics reduce glare while providing maximum light transmission and color quality
  • High-refraction, low dispersion lanthanum glass to provide high resolution images with minimal aberrations
  • Advanced computer simulation design technology to reduce internal reflections, producing brighter, clearer images
  • Rubber eyepiece ring designed for viewing comfort

Kirjeldusloe edasi

PENTAX XF eyepieces offer high-refraction, low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations. Ideal for observation and photography of planets. PENTAX-original smc full-surface multi-layer lens coating improves light transmission efficiency.  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 a 60 degree apparent field of view, 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-65 ED II series spotting scopes, PF-80 series spotting scopes, PF-100 series spotting scopes.

smc PENTAX XF 8.5 Specifications and Performance in combination with PENTAX Spotting Scopes

Magnification 74X 61X 59X 57X 44X 46X
Real Field of View 0.8° 0.95° 1.0° 1.1° 1.4° 1.3°
Apparent Field of View 60° 60° 60° 60° 60° 60°
Field of View at 1000m 14m 16.5m 17m 18m 23m 22m
Exit Pupil 1.4mm 1.3mm 1.4mm 1.4mm 1.5m 1.4mm
Eye Relief 18mm 18mm 18mm 18mm 18mm 18mm