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$ 189.99 USD

Pentax 65871 SP 8x40 Waterproof Binoculars are part of the Pentax S Series of full sized superior quality binoculars, ideal for the widest range of weather and lighting conditions. With large objective lenses incorporated into the design, these binoculars allow for contrast-rich, bright viewing under any lighting conditions.


  • Large Objective Lens Elements - Perfect for use in low light conditions thanks to Large objective lens elements that provide maximum light gathering capabilities.
  • Premium Multi-Layer Coatings - Premium multi-layer coatings assure maximum light transmission, resulting in crisp, bright, true-to-life images in the widest range of viewing conditions.
  • Rigid Body Construction - Rigid body construction allows these extremely rugged binoculars to maintain optical alignment, ensuring comfortable viewing throughout the life of the product.
Product Type Porro Prism, Center Focus, Waterproof binocular
Focusing Range 11.55 feet - infinity
Prism Porro
Objective Lens Diameter 40mm
Specifications 8X
Real Field Of View 6.3°
Field Of View At 1000m 110M
Binocular Type Porro Prism
Field Of View At 1000y 363'
Exit Pupil 5.0mm
Eye Relief 20mm
Relative Brightness 25
Eyepiece Ring Helicoid
Body Color Black
Height Width 5.35" x 7.0"
Thickness 3"
Weight 31.75oz
Waterproof Yes
Minimum Focusing Distance 11.55'