ZEISS SFL 50 Binoculars – Lightweight Premium Optics for Exceptional Clarity
The ZEISS SFL 50 binoculars combine premium optical performance with a lightweight, compact design that rivals traditional 42mm models. Designed for nature enthusiasts and birdwatchers who demand both portability and optical excellence, the SFL 50 is the perfect choice for long days outdoors.
Wide Field of View & Precise Detail Recognition
The ZEISS SFL 8×50 features 8x magnification and a wide field of view, making it ideal for tracking fast-moving birds and scanning expansive landscapes. Thanks to the Ultra-High-Definition (UHD) Concept with advanced coatings, the binoculars reproduce colours with natural fidelity and reveal the finest details, enabling precise species identification.
SmartFocus Concept – Fast & Accurate Handling
The innovative SmartFocus system allows rapid and precise focusing without awkward hand movements. With the perfectly positioned focusing wheel in the DoubleLink Bridge, only 1.4 turns are required from close focus to infinity. Even when wearing gloves, smooth and accurate adjustments are effortless.
Bright, High-Contrast Images – Even in Low Light
With 90% light transmission, large 50mm objective lenses, and ZEISS T multi-layer coating*, these binoculars deliver bright, sharp, and high-contrast images in low light conditions and twilight.
Comfortable, Immersive Viewing
The ergonomic design of the SFL series ensures easy eye positioning, while the large exit pupil offers relaxed, immersive observation. Improved eyecups provide smooth transitions between contact points, maximising comfort during extended use.
Advanced ZEISS Lens Coatings
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ZEISS T*: Guarantees brilliant, high-contrast images in challenging light conditions.
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LotuTec®: Repels water, dirt, and dust, ensuring a clear view even in rain or humidity.
Key Features:
- 8x magnification with 50mm objective lens
- Ultra-High-Definition (UHD) optics for colour fidelity and fine detail
- SmartFocus concept for fast, precise focusing
- 90% light transmission for exceptional twilight performance
- ZEISS T* and LotuTec® coatings for clarity in all conditions
- Lightweight, compact build compared to traditional 50mm models
- Ergonomic eyecups and comfortable viewing experience
| Magnification |
8 × |
| Effective lens diameter |
50 mm |
| Light transmission |
90% |
| Exit pupil diameter |
6.25 mm |
| Twilight factor |
20.0 |
| Field of view at 1,000 m (yds) |
131 m (393 ft) |
| Subjective viewing angle |
58° Ww |
| Close focusing distance |
1.8 m (5.9 ft) |
| Diopter adjustment range |
− 4.0 | + 4.0 dpt |
| Exit pupil distance |
20 mm |
| Pupil distance |
56 – 74 mm |
| Lens type |
UHD |
| Prism system |
Schmidt-Pechan |
ZEISS SFL 50 Series Comparison
| Feature |
SFL 8x50 |
SFL 10x50 |
SFL 12x50 |
| Best For |
Wide-angle, relaxed viewing |
Versatile all-rounder |
Long-range detail |
| Magnification |
8x |
10x |
12x |
| Field of View |
Very wide (excellent overview) |
Balanced – wider than 12x, narrower than 8x |
Narrower but highly detailed |
| Key Advantages |
Extremely steady image, wide field of view, bright low-light performance |
Best balance of detail and field of view, excellent in low light |
Exceptional long-distance clarity, UHD optics, still lightweight for its class |
| Ideal User |
Birdwatchers wanting easy tracking & comfort |
General birders, wildlife & nature observers |
Experienced users needing powerful magnification for distant species |
