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112-114 London RdClick & Collect Only
Thornfield House
Kenro 10-30x50 Traditional Porro Prism Zoom Binoculars
Our Price: £39.99
Product Code: KNBL303
Barcode: 5023168041369
Our Price:
£39.99
The Kenro KNBL303 Zoom Binoculars offer an extraordinary range of magnification, making them one of the most adaptable optics in the Kenro collection. With a smooth, lever-operated zoom that transitions from 10x to 30x, these binoculars are perfect for birdwatching, marine observation, and stadium sports where the distance to the action is constantly changing.
Built with a traditional Porro prism system and large 50mm objective lenses, the KNBL303 delivers excellent light-gathering power and a natural, three-dimensional view. The high-quality BK7 prism glass ensures that even at high magnifications, the image remains sharp and clear, while the rugged rubberised armouring provides a secure, fatigue-free grip for extended viewing sessions.
Versatile 10-30x Zoom: Seamlessly adjust your magnification to suit the scene—use 10x for a wide field of view and 30x for incredible long-range detail.
Superior Light Gathering: Large 50mm objective lenses ensure bright images, essential when using higher magnification levels.
Traditional Porro Prism System: Designed to provide a greater depth of field and avoid the "tunnel vision" effect often found in compact optics.
BK7 Precision Optics: High-quality optical glass provides superior light transmission and edge-to-edge clarity.
Shock-Resistant Rubberised Armor: Ergonomically designed for a secure, non-slip grip while protecting the internal optics from the rigors of travel.
Smooth Central Focus: A tactile central wheel allows for fast, precise focusing, complemented by a dedicated zoom lever for instant magnification changes.
Complete Accessory Kit: Supplied with front and rear lens caps, a neck strap, and a soft carry case to protect your investment.
| Feature | Specification |
|---|---|
| Magnification | 10 - 30x Zoom |
| Objective Lens Diameter | 60mm |
| Prism System / Glass | Porro Prism System (BK7) |
| Exit Pupil Diameter | 6mm (at 10x) / 2mm (at 30x) |
| Relative Brightness | 36 (at 10x) / 4 (at 30x) |
| Twilight Factor | 24.5 (at 10x) / 42.4 (at 30x) |
| Field of View (Real) | 3.5° (60m / 1000m) |
| Field of View (Apparent) | 35° |
| Eye Relief | 13mm |
| Lens Structure (Obj / Eye) | 2E 1G / 4E 3G |
| Coating | Fully Coated |
| Focus System | Centre Focusing System |
| Close Focusing Distance | 14m |
| Dioptre / Interpupillary Distance | +/- 2 dpt / 56 - 74mm |
| Eyecup Style | Fold Down |
| Waterproof / Tripod Adaptable | No / Yes |
| Weight | 1030g (Excl. covers) |
| Dimensions (H x W x D) | 230 x 210 x 75mm |


