- 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 both astronomical and terrestrial use, Pentax 's 10x50 SP S-Series WP Binocular can be used with confidence in all weather and conditions. The large oversized 50mm objectives are fully multicoated to reduce reflection and maximize light transmission through the entire optical path. 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 large objectives and coatings maximize the amount of light getting to the user's eyes for exceptional low-light capabilities, and its high 10x magnification provides an immersive observation experience.
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 and effect night adjusted vision.
- Optical Performance
-
- 10x magnification
- 50mm objective lenses
- BAK4 Porro prism optical path
- Anti-reflection fully multicoated optics
- 262.5' field of view at 1000 yards
- 50° angle of view
- Use and Handling
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- 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: 027075288683
| Prism Type | Porro |
| Magnification | 10x |
| Objective Lens Diameter | 50mm |
| Angle of View | 5.0° |
| Field-of-View | 262.5' @ 1000 yd / 87.15 m @ 1000 m |
| Minimum Focus Distance | 18.2" / .46 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 | 7.2 x 7.0 x 3.1" / 18.29 x 17.78 x 7.87 cm |
| Weight | 37.4 oz / 1060.29 g |
| Packaging Info |
| Package Weight | 3.2 lb |
| Box Dimensions (LxWxH) | 9.3 x 9.1 x 4.1" |
In the Box
Pentax 10x50 S-Series SP WP Binocular
- Neck Strap
- Carrying Case with Strap
- 2 x Objective Lens Caps
- 2 x Eyepiece Caps
- Limited Lifetime Warranty
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