Pentax XW 7mm 70° Eyepiece
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Pentax XW 7mm 70° Eyepiece

£249.00
  (2 Reviews)
✓ 2 year warranty

:  

3x in stock shipped 1-2 working days

About this product

Model:  PentaxXW7
Part Number:  70513

An excellent choice for medium to high power observing. 

Features

  • High-refraction, low-dispersion Lanthanum glass.

  • Pentax Super Multi-Coatings (SMC) on all air/glass surfaces.

  • Edge-blackened optics and optimised baffles minimise internal reflections.

  • Optically corrected for use with focal ratios as fast as f/4.

  • 20mm eye-relief and twist-up rubber-rimmed eyecups - perfect for spectacle wearers.

  • Chromed barrels threaded to accept filters.

  • Weatherproof to JIS Class 4 standards.

 
Lens Structure: 8 elements, 6 groups
Focal Length: 7mm
Apparent Field of View: 70 degrees
Eye Relief: 20mm
Attachment Diameter: 1.25" (31.7mm)
Filter Diameter: 28.6mm
Field Stop Diameter: 8.8mm
Eyepiece Ring: Helicoid type
Height & Width: 4.7" x 2.4"
Weight: 13.8 oz. (390g)

Eyepiece Field of View Simulator

Customer reviews

Average Rating (2 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Top class eyepiece
13 July 2019  | 

Beautifully engineered eyepiece. Very comfortable, especially the twist-up eye relief adjustment. Extremely sharp view right across the field, which is just right.
Highly recommend for any scope but if you have a fast scope eg Reflector at f5 or faster and have mid-range or telescope stock eyepieces, you will absolutely transform your scope with the XW series.


Rating (max 5):  
Excellent eyepiece
29 August 2018  | 

Bought this eyepiece because it has 20 mm which I need when I observe wearing eyeglasses. I have used it with a Tak FC-100, Vixen SD81S, Vixen A80M and Celestron C8 on moon, planets, double stars and DSOs.

Performance is excellent, producing excellent sharpness and contrast, and aberrations are extremely well controlled. Also, the eyepiece has an excellent quality feel to it and is very comfortable to use. Highly recommended.

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