Pentax 8x40 S-Series SP WP Binocular
SKU: 15879446529

Pentax 8x40 S-Series SP WP Binocular

Sale price$14226.75 Regular price$15807.50
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Description

Pentax 8x40 S-Series SP WP BinocularBAK4 Porro Prism Fully Multicoated Optics Angle of View: 50 Nitrogen Filled, Water and Fogproof Closed Bridge Configuration Slip Resistant Rubberized Armoring Large Center Focus Wheel Tripod Mountable with Optional Adapter Fold Down Rubber Eyecups Designed for a lifetime of rugged outdoor use Pentax 's 8x40 S Series SP WP Binocular can be used with confidence in all weather and lighting conditions. The 40mm objectives are fully multicoated to reduce

  • BAK4 Porro Prism
  • Fully Multicoated Optics
  • Angle of View: 50°
  • Nitrogen-Filled, Water and Fogproof
  • Closed Bridge Configuration
  • Slip-Resistant Rubberized Armoring
  • Large Center Focus Wheel
  • Tripod Mountable with Optional Adapter
  • Fold-Down Rubber Eyecups

Designed for a lifetime of rugged outdoor use Pentax 's 8x40 S-Series SP WP Binocular can be used with confidence in all weather and lighting conditions. The 40mm objectives are fully multicoated to reduce reflection and maximize light transmission through the entire optical path without making them overly cumbersome for a long day on the trail. Utilizing the traditional porro prism configuration gives scenes a rich depth of view for an immersive observation experience and provides a comfortable feel in the hand with a lot of surface area to maintain a sure grip. The coatings ensure bright and clear high-contrast images even in low-light, and its utilitarian 8x magnification brings subjects close while maintaining 363' field of view to preserve situational awareness.

Complementing the optical performance are construction details made for the trail. The optical tubes are nitrogen-filled and O-ring sealed for fogproof performance and to make them submersible to as much as 3.3'. The binocular sports a generous 20mm eye relief and the fold-down eyecups seal against the ocular cavity to block stray peripheral light which can dim images.

Optical Performance
  • 8x magnification
  • 40mm objective lenses
  • BAK4 porro prism optical path
  • Anti-reflection fully multicoated optics
  • 331' field of view at 1000 yards
  • 50° angle of view
Use and Handling
  • Closed bridge configuration
  • Large knurled center focus wheel
  • Right-eye diopter adjustment
  • 20mm long eye relief, 5.0mm exit pupil
  • Fold-down rubber eyecups seal against ocular cavity and block stray peripheral light
Construction Details
  • Rubberized armoring protects against impacts and provides slip-resistant grip
  • Nitrogen-filled, fogproof and submersible to 3.3' (1m)
  • Internal focusing system helps to maintain waterproof seals
  • Tripod mountable with optional adapter
UPC: 027075288676
Prism Type Porro
Magnification 8x
Objective Lens Diameter 40mm
Angle of View 6.3° (actual)
Field-of-View 330.8' @ 1000 yd / 109.83 m @ 1000 m
Minimum Focus Distance 11.6' / 3.54 m
Exit Pupil Diameter 5.0  mm
Eye Relief 20  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Center
Tripod Mount Yes (Adapter Optional)
Dimensions 7.0 x 5.4 x 3.0" / 17.78 x 13.72 x 7.62  cm
Weight 31.8 oz / 902 g
Packaging Info
Package Weight 2.8 lb
Box Dimensions (LxWxH) 8.5 x 7.3 x 4.0"
In the Box
Pentax 8x40 S-Series SP WP Binocular
  • Neck Strap
  • Carrying Case with Strap
  • 2 x Objective Lens Caps
  • 2 x Eyepiece Caps
  • Limited Lifetime Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 15879446529

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★★★★★ 5
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Reviewed in the United States on May 26, 2025
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Jody Ravana
Fort Morgan, US
★★★★★ 5
Don’t hesitate to buy
Size: 9" x 6.2" x 2.2", Color: Black (Silver)
Beautiful on our new desk
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Reviewed in the United States on May 21, 2026
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Dawna Hardacre
Los Angeles, US
★★★★★ 4
Very high quality
Size: 9" x 6.2" x 2.2", Color: Grey (Gold)
Bought this for random papers and pens to keep them organized on my kitchen counter. Looks perfect with my counters and cupboards. Gave it a 4 because it is just a bit short but I’m making it work.
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Reviewed in the United States on July 16, 2025
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Brandon
Chelsea, US
★★★★★ 5
Great Tray For Storing My Everyday Carries
Size: 8.5" x 5.8" x 1.9", Color: Black
My everyday carry items (wallet, keys, etc.), used to just get thrown around wherever when I'd get home, but this little tray makes a great, defined, space for me to keep those things when I don't need them on me. The soft lining reduces the obnoxious sound of throwing keys on a hard surface, and of course keeps me from scratching up a surface. The build feels quality and I haven't seen any damage to it yet. Also the all black version with gold buckle looks quite good and adds a subtle touch of luxury. Absolute recommend for the price.
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Reviewed in the United States on April 15, 2026
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David Jordan
Lexington, US
★★★★★ 5
Just the right size to empty your pockets.
Size: 8.5" x 5.8" x 1.9", Color: Orange
Perfect size to empty my pockets when I get home. Fits my wallet, keys, AirPods, etc. excellent quality.
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Reviewed in the United States on March 21, 2026

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