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Pentax Eyepiece XF-8.5

Pentax Eyepiece XF-8.5

Code: 70531    Brand: Pentax   
  • Waterproof & Fogproof
  • Wide Angle
  • 46x with 65mm Pentax Scopes
  • 58x with 80mm Pentax Scopes
  • 74x with 100mm Pentax Scopes
  • 18mm Eye Relief
  • 60° Apparent Field of View
 IN STOCK
$249.00
APN: 0027075087330
Supplier Code: 70531

Pentax eyepieces are a near consensus choice amongst serious amateur and professional astronomers as the best that's out there, quite an accomplishment indeed given the fervent passion of the collective.

The XF lineup are less costly options which were designed for the PF-65ED and PF-65EDA midsized class of spotting scopes and their somewhat shorter focal length of 390mm.  They can be used with any Pentax spotting scope, as well as with other telescopes which accept the standardized 1.25 eyepieces.  The XF eyepieces are meet the J.I.S. "Class 4" standard for waterproofing, described by the Japanese regulators as water splashed against the enclosure from any direction shall have no harmful effects".

  • Helicoid-type eyecup with four detented click-stop positions
  • Parfocal with the XF 12 eyepiece, requiring no focus readjustments when exchanging the two
  • Accepts 1.25" filters for astronomical & terrestrial applications

Pentax premium spotting scopes adhere to the American standard of 1.25 eyepiece thread diameter, facilitating the use of eyepieces from independent manufacturers.  That also means, of course, that the wonderful Pentax eyepieces can be used in other telescopes and spotting scopes which accept 1.25 eyepieces.

MAGNIFICATION

46x (with the PF-65ED)

ANGLE OF VIEW

1.3° (with the PF-65ED)

FIELD OF VIEW: FT@1000YDS/M@1000M

66 (22 m at 1000 m) (with the PF-65ED)

EXIT PUPIL DIAMETER

1.4mm (with the PF-65ED)

EYE RELIEF

18.0mm

RELATIVE BRIGHTNESS

2.0 (with the PF-65ED)

TWILIGHT FACTOR

54.6 (with the PF-65ED)

WEATHERPROOFING

Water resistant

DIMENSIONS

1.7 x 3.3 (43 x 83mm) WxH

WEIGHT

150

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