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.
Features:
- 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.
Specs
| 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' |