Pentax Jupiter 50mm Binoculars

Pentax Jupiter 50mm Binoculars

  (1 Review)
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About this product

Model:  pntx_jpr_50_10x
Part Number:  65912

Pentax Jupiter 50mm porro-prism binoculars. 

A good choice for astronomy and other low light observing.

Pentax Jupiter 50mm binoculars feature large 50mm objective lenses and fully multicoated optics for bright high contrast views. 

Rugged styling includes rubber armour and an extra large central focusing wheel. 


  • Fully multi-coated optics
  • Large 50mm objective lenses for high light transmission and resolution
  • Fully rubber armoured body
  • Large central focus wheel
  • Soft rubber eyecups that can easily be folded back
  • Diopter adjustment

Fully-multi-coated optics

Pentax applies multiple layers of coatings to every air-to-glass lens and prism for high light transmission and contrast. 

Exterior rubber coating

Provides protection against knocks and scrapes and makes the binocular comfortable and easy to grip. 

What's in the box

  • Jupiter Binoculars
  • Objective Lens Caps
  • Eyepiece Lens Caps
  • Carrying Case
  • Neck Strap
  • Lens Cloth
  • Instruction Manual


Model 10x50 12x50 16x50
Magnification 10x 12x 16x
Objective Lens Diameter 50 mm 50 mm 50 mm
Real Field of View 6.5 degrees 5.6 degrees 3.5 degrees
Field of View at 1000m 114 m 98 m 61 m
Field of View at 1000 yards  342 294 183
Exit pupil aperture 5.0 mm 4.2 mm 3.1 mm
Eye Relief 13 mm 11 mm 13 mm
Prism glass BaK7 Bak7 Bak7
Optical coatings fully multi-coated  fully multi-coated  fully multi-coated 
Height 167 mm 167 mm 167 mm
Width 199 mm 199 mm 199 mm
Depth 66 mm 66 mm 66 mm
Weight g / oz 870 g / 30.7 oz 860 g / 30.3 oz 885 g / 31.2 oz

Customer reviews

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Great price, quick dispatch, excellent service.
28 October 2022  | 

Itís obvious these guys are customer focused in every way from start to finish.
Many thanks.


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Q1. How much do these binoculars weigh?

The Pentax SP 10x50mm, 12x50mm and 16x50mm binoculars weigh approximately 900g / 31.75oz.

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