On Sale Pentax UP 8 x 25 WP Waterproof Binoculars
- BaK-4 prisms
- Waterproof
- Long eye relief
- Inner focus optics design
- Unique Uni-body design
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These Pentax compact porro-prism models feature a dual-axis, single body design with synchronoised eyepiece adjustments.
Fully multi-coated optics assure maximum light transmission resulting in high-quality viewing. Every surface of every element is fully coated which minimises internal glare and flare, hence providing a view that is clear and bright. Incorporated with aspherical lens elements, giving you edge-to-edge sharpness.
Durable porro prism as well as a unique Uni-body design which can enhance durability by locking objective lenses in a single housing and synchronising the eyepiece movement. With less moving parts this ensures the binoculars will function properly and clearly for years to come.
Aspherical lens elements, which are critical in compact binoculars, provide exceptional edge-to-edge sharpness. This assures that items on the edge of your field of view are just as sharp as those in the center.
Sharp images and clearly affordable
Specifications:
| Product type | Porro prism, center focus, waterproof |
| Focusing range | 1.9m-infinity |
| Prism | Porro |
| Objective lens diameter | 25mm |
| Specifications | 8x |
| Real field of view | 6.2 degrees |
| Field of view @1000m | 108m |
| Exit pupil | 3.1mm |
| Eye relief | 15mm |
| Relative brightness | 9.6 |
| Binoculars Weight | 348g |
|---|---|
| Magnification | 8 times |
| Aperture | 25mm |
| Prism Glass Quality | BaK-4 |
| Waterproof | Yes |
| Fogproof | No |
| Field of View | 108m@1000m |
| Eye Relief | 15mm |
| Prism Type | Porro |
| Warranty Information | Limited Lifetime Warranty |