Pentax - XF 8.5 mm Eyepiece

Pentax - XF 8.5 mm Eyepiece

Lightweight high quality Pentax XF 8.5 mm eyepiece - perfect for the binoviewer.
Manufacturer : Pentax
SKU : TSO-PEXF8
Price: 199.00 € incl tax 19% (Germany)
Delivery date : 1-4 days
Product description
Pentax SMC Eyepiece XF 8.5mm 60°

The Japanese company PENTAX is a leading company for optics. Also in the astronomy PENTAX  delivers highest quality apochromatic refractors and perfect high end eyepieces.

Pentax XF 8.5 mm - binocular suitable allround eyepiece with 60° apparent field of view

High contrast and a very good sharpness over the whole field combined with a comfortable insight.

A maximum of sharpness and contrast

The use of special ED-glass (Lanthan) and the blackening of the complete inside and all lens edges to avoid reflexion and also the SMC multicoating makes this eyepieces perfect in sharpness and contrast. So they are one of the best on the market.

Using with a binoviewer

The small diameter of the eyepieces and the calm inview with a comfortable eye relief makes this eyepieces perfect at the binoviewer.

Adjustable rubber eyeguard

You can adjust the rubber eyeguard exactly to the wanted distance. No matter of wearing eyeglasses or not, you always will have a pleasant inview. The positon of the eyeguard snaps in so it can not adjust.

Eye relief of 18 mm

One of the most important characteristics of an allround eyepiece is the eye relief. With this eyepiece even untrained observers immediately will get a good image. So we highly recommend this eyepieces for public star observatories.

XF 8.5 mm and XF 12 mm are parfocal

Particularly useful is: Both XF eyepieces are parfocal. So you needn´t refocuse after changing.

Fields of application

This eyepieces you can use at all fields of application in the amateur astronomy and also at the terrestial observation, e.g. observing with the binoviewer, planetary observations, deep sky observation and terrestial observations. You will get the maximum possible contrast possible with high quality spotting scopes with 1 1/4" eyepiece connection.


Delivery contains:
  • XF Eyepiece 8.5 mm
  • Dustcaps
  • Storage Box
Products specifications
Field of view60°
Lenses / groups6 / 4
EyegardRubber - adjustable
Barrel size / Filter thread1 1/4" with filterthread
CoatingFully multicoated
Weight5.3oz
Type of eyepieceWide angle eyepiece
Eye relief18 mm
Diameter43 mm
Focal length8.5 mm
Parfocal withPentax XF Eyepieces
Height93 mm