PENTAX offers two roof prism binoculars for everyday use - be it moderate or extreme weather conditions. The lightweight PENTAX DCF CS series is available in 8x42 and 10x42 models that offer tough, water resistant, fiber reinforced polycarbonate bodies, a durable internal focus design and a rubber covered exterior. Each model features PENTAX's renowned fully-multi-coated lenses and phase coated prisms.  Compact for maximum comfort (5.6" and 5.8") these binoculars are ideal for field use.


  • Available in 8x42 and 10x42 magnifications.

  • Phase coated roof prisms provide high resolution, high contrast images. 

  • Fully-multi-coated optics provide the maximum light transmission and reduced internal reflections. 

  • Fiber-reinforced polycarbonate for strength and rigidity.

  • Center diopter ring with click stops is easy to access and holds the adjustment firmly. 

  • Helicoid eyepieces with four click stops allow you to properly set the eye relief. 

  • Waterproof and nitrogen-filled (JIS Class 6) to handle the most extreme weather conditions (submersible to 1m). 

  • Silver-deposited roof prisms reflect more light through the prism for a brighter image. 

  • Inner-focus optical design allows improved sealing and improves balance. 

  • Full rubber housing protects the binoculars from shock and makes them easier to hold. 

  • Long eye relief for comfortable viewing with or without glasses. 

  • Compact size 5.6" and 5.8" for maximum comfort in field use.

Product Type

Roof-prism, Center Focusing (internal focus)

Objective Lens

4 elements in 3 groups

Focusing Range

2.5m to infinity (8.2' to infinity)


4 elements in 3 groups




Phase Coating

Sub Prism


Objective Lens Diameter




Apparent Field Of View

60 degrees

Real Field Of View

7.5 degrees

Field Of View At 1000m

131m (393 ft)

Exit Pupil


Eye Relief


Relative Brightness


Diopter Adjustment Range

+/- 3

Eye Width Adjustment Range

54-76mm (21. – 3.0”)

Eyepiece Ring

Helicoid (4 stops)

Body Color

Dark Green and Black

Height Width

148 x 134mm (5.8 x 5.3”)


52mm (2.0”)


640g (22.6 oz.)


Yes (JIS Class 6, submersible to 1m, nitrogen-filled)

  • Case
  • Eyepiece Cap
  • Neck Strap
  • Objective Cap


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  • No Downloads Available

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