Pentax SP 12x50 Binoculars
Designed for both astronomical and terrestrial use, Pentax's 10x50 /12x50 /16x50 S-Series SP Binocular features large oversized fully multicoated 50mm objectives 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 12x 16x magnification provides an immersive observation experience whether users are bird watching or comet hunting.
The binocular sports a generous 13mm (8x40, 10x50, 12x50) 11mm (12x50) eye relief and the fold-down eyecups seal against the ocular cavity to block stray peripheral light which can dim images. Its over-sized objectives add weight and bias the center of gravity forward making user fatigue a concern and hand-shake a possibility, so to aid long observation sessions the binocular can be mounted on a tripod using an optional adapter.
Designed to provide an immersive experience for nature and bird watching, Pentax's 8x40 S-Series SP Binocular boasts a wide 65.6° angle of view and porro prisms that produce a rich depth of view. 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. The coatings ensure bright and clear high-contrast images even in low-light, and its utilitarian 8x magnification brings subjects close while maintaining wide 430' field of view at 1000 yards to preserve situational awareness. The binocular sports a 13mm eye relief and the fold-down eyecups seal against the ocular cavity to block stray peripheral light which can dim images.
Optical Performance
- 8x 10x 12x 16x magnification
- 50mm objective lenses
- BAK4 porro prism optical path
- Anti-reflection fully multicoated optics
Use and Handling
- Closed bridge configuration
- Large knurled center focus wheel
- Right-eye diopter adjustment
- Fold-down rubber eyecups seal against ocular cavity and block stray peripheral light
Construction Details
- Internal focusing system (8x40)
- Rubberized armoring protects against impacts and provides slip-resistant grip
- Tripod mountable with optional adapter
| Prism Type | Porro |
| Magnification | 8x 10x 12x 16 |
| Objective Lens Diameter | 40 mm (8x) 50mm (10x, 12x, 16x) |
| Angle of View | 8.2° (8x) |
| Field of View | 430.4' @ 1000 yd / 143.5 m @ 1000 m (8x) |
| Minimum Focus Distance | 127.8' / 39 m (8x) |
| Exit Pupil Diameter | 5.0 mm (8x) |
| Eye Relief | 13 mm |
| Interpupillary Adjustment | Not Specified by Manufacturer |
| Dioptric Correction | Not Specified by Manufacturer |
| Focus Type | Center |
| Tripod Mount | Yes (Adapter Optional) |
| Dimensions | 7.4 x 5.2 x 2.2" / 18.8 x 13.2 x 5.6 cm (8x) |
| Weight | 27.2 oz / 771.1 g (8x) |
| SKU | 65904 |
| Barcode # | 27075288744 |
| Brand | Pentax |
| Shipping Weight | 0.8220kg |
| Shipping Width | 0.150m |
| Shipping Height | 0.080m |
| Shipping Length | 0.180m |
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