Zeiss SFL 10x40 Binoculars
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Zeiss's NEW SLF 10x40 binoculars are an excellent addition to their famous binocular range. Offering superior HD optical performance within an incredibly lightweight body, and all at a very reasonable price.
The SLF (Smart Focus & Lightweight) binoculars have been optimized to be as light as possible (only 640g, 30% lighter than comparable competitor products), yet still boast the very rugged magnesium housing to ensure durability and longevity. On top of that, they showcase Zeiss's SmartFocus Concept, whereby the focus wheel is perfectly positioned and enables fast and precise focusing. Enjoy effortless viewing with fast target acquisition.
Despite the compactness, the SFL binoculars offer an impressive field of view of 115m at 1000m, plus 90% light transmission - all ensuring a large, crisp and bright image at all times. Precise detail recognition at its finest, with natural colour fidelity.
Product details
Key Features
- Lightweight yet rugged magnesium housing
- Reliably identify targets
- SmartFocus Concept for an intuitive and precise handling
- 90% Light Transmission
- Comfortable viewing experience
- ZEISS T* Coating
- A clear view, whatever the weather
Product Technology
ZEISS T* Coating
ZEISS T* coating is a guarantee of the brilliant, high-contrast images which you will experience above all in adverse light conditions and in the twilight. Behind it, however, there is no specific formula for building up the layers. Instead, it is a technology that is constantly adjusted to suit new glass materials and requirements, which varies from lens to lens.
Specifications
| Magnification | 10 × |
| Effective lens diameter | 40 mm |
| Light transmission | 90% |
| Exit pupil diameter | 4.0 mm |
| Twilight factor | 20.0 |
| Field of view at 1,000 m (yds) | 115 m (345 ft) |
| Subjective viewing angle | 62° Ww |
| Close focusing distance | 1.5 m (4.9 ft) |
| Diopter adjustment range | − 4.0 | + 4.0 dpt |
| Exit pupil distance | 18 mm |
| Pupil distance | 52 – 74 mm |
| Lens type | UHD |
| Prism system | Schmidt-Pechan |
| LotuTec | Nitrogen filled | + | + |
| Water resistance | 400 mbar |
| Operating temperature | − 20°C | + 55°C (− 4°F | + 131°F) |
| Length | 144 mm (5.7 ") |
| Width at an interpupillary distance of 65 mm | 114 mm (4.5 ") |
| Weight | 640 g (22.6 oz) |