Pentax SP 20x60mm WP Binoculars
Pentax SP 20x60mm WP BinocularsPentax SP 20x60mm WP BinocularsPentax SP 20x60mm WP Binoculars
Pentax SP 20x60mm WP BinocularsPentax SP 20x60mm WP BinocularsPentax SP 20x60mm WP Binoculars

Pentax SP 20x60mm WP Binoculars

  (2 Reviews)
✓ 2 year warranty


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About this product

Model:  pntx_sp_20x60_wp_65874
Part Number:  65874

Pentax S-Series

NEW updated Pentax S-series porro-prism binoculars with newly developed light transmission coatings and a hydrophobic coating (rain drops roll off) on the outer optics.

Provides bright, high contrast views in low light and the modern waterproof waterproof construction makes them an excellent choice for use in rough outdoor conditions. 

The rubber armoured waterproof and nitrogen-purged body withstands weather, dust or rough impact. 


  • New fully multi-coated optics
  • Phase correction
  • Protective lens coating
  • Waterproof
  • Nitrogen purged
  • Unique hydrophobic coating
  • Aspherical lens elements
  • Magnesium alloy construction

New Fully-multi-coated optics

Fully multi-coated lenses serve the essential purpose of maximising
the amount of light passing through a lens, thereby prevent flare and ghosting from interfering with your view. PENTAX applies multiple layers of coatings to every surface of every element and prism in the full Sport Optics line-up. These fully-multi-coated optics assure the maximum light transmission resulting in a clear, crisp view of the world.

Protective Lens Coating

All optical surfaces are delicate and must be handled with care to prevent scratching. To add to the durability of the Z- and S-series Water Proof binoculars*, PENTAX has added a protective, nano technology coating that helps deflect water, oil, dust and dirt. This allows PENTAX binoculars to withstand the harshest viewing conditions.

BaK4 prisms

Due to its outstanding refractive index, the BaK4 glass prism found in all PENTAX Sport Optics is highly acclaimed for its perfectly round exit pupil and clear, unvignetted image.

PENTAX Waterproofing

PENTAX waterproof products are fully sealed and purged with laboratory grade nitrogen to provide a fog proof view in the harshest weather conditions. With a JIS Class 6 rating, PENTAX waterproof binoculars can even be submerged in up to 3 feet of water.

Unique Hydrophobic Coating

Water droplets on a lens have a negative influence on the ability of light to enter the objective lens. By using a unique water repellent coating on all outer lenses we make water drops “bead” into small, deformed droplets. The deformed droplets cause less distortion and “slide” more easily off the lens. Your binocular remains fully functional even in rain, snow, fog or condensing breath. 

Aspherical lens elements

Edge-to-edge sharpness is a vital element to comfortable viewing. To achieve this, we utilise aspherical lens elements in our eyepieces. This is a specially shaped lens design that reduces aberration to a minimum.

Nitrogen purged

Nitrogen is a chemical element and a colourless, odourless and tasteless gas. It contains very little humidity and is therefore used to “purge” binoculars and spotting scopes of the high humidity air that is part of
our environment. Due to the low humidity factor, nitrogen prevents condensation from forming on the internal lenses of optical instruments during phases of rapid temperature change. Furthermore, because nitrogen is purged into the optical instrument at slightly above atmospheric pressure, dust and other miniscule particles are prevented from entering the housing.

Long eye relief design

The long eye relief offered in all PENTAX Sport Optics allows the viewer to see the entire field of view clearly and effortlessly. This is especially beneficial to eyeglass wearers, and allows viewing for extended periods of time without added eye strain.

Superb impact resistance

The body is made from magnesium, which adds toughness while keeping the binoculars light. In addition, the exterior rubber coating provides the binoculars with superb resistance to shocks and impacts.

Other Features

Helicoid three-stop eyepiece rings that permit fine adjustment for maximum viewing comfort 

What's in the box

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


Product Code65874
TypeFull-size Porro
Objective Lens Diameter60 mm
Field of View at 1000m38 m
Exit pupil aperture3.0 mm
Eye Relief21 mm
EyecupsMulti-Stop Twist-Up
Height85 mm
Width195 mm
Depth224 mm
Weight1.400 g
Water proofYes (JIS Class 6) Nitrogen purged
AccessoriesObjective and eyepiece caps, case, strap
Prism coatingBaK4
Lens coatingFully multi-coated optics, Protective lens coating
Twilight Factor34.6
Close focus8.0 m
Tripod AdaptorWith adapter N PENTAX Code No. 69553

Customer reviews

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

Rating (max 5):  
A good alternative to a spotting scope
Wednesday, 14 August 2019  | 

I am a bird watcher and I bought these as an alternative to a spotting scope. And I am very happy with this decision. Comfier viewing as you are using both eyes, for small periods of time can be hand held, easy to focus and not so heavy. I do not find the narrow FoV a big issue, I can quickly pick up the target. Optically I think they are very good considering the cost and the build quality is also good.

Rating (max 5):  
I love these bins
Thursday, 23 May 2019  | 

Really do like these binoculars as I do fishing, cycling ,hiking etc and although they are a bit heavy and bulky i will often pack in rucksack for the superb views i can get when out n about even with the quite narrow fov which I find worth it for the sharp close ups


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Q1. How much do these binoculars weigh?

The Pentax SP 20x60mm WP binoculars weigh approximately 1,400g / 49.38oz.