ZEISS SFL 12x50 Binoculars – Precision at Long Distances
The ZEISS SFL 12x50 binoculars combine exceptional magnification with a lightweight, compact design, rivalling even smaller 42mm models. With 12x magnification and premium 50mm objective lenses, these binoculars excel in long-distance observation, giving birdwatchers and nature enthusiasts the ability to spot and identify distant species with incredible clarity and detail.
Ultra-High-Definition Optics
Engineered with the ZEISS Ultra-High-Definition (UHD) Concept, the SFL 12x50 delivers razor-sharp images, faithful colour reproduction, and remarkable detail recognition. Whether distinguishing subtle plumage markings or scanning far-off landscapes, you’ll experience nature with unrivalled precision.
SmartFocus Concept for Seamless Operation
The SmartFocus Concept ensures fast, intuitive focusing with minimal hand movement. The ergonomically positioned focus wheel within the DoubleLink Bridge requires just 1.4 turns from close focus to infinity, allowing effortless, accurate adjustments – even when wearing gloves.
Brilliant Performance in Low Light
With 90% light transmission, large 50mm objective lenses, and the renowned ZEISS T* multi-layer coating, these binoculars provide bright, high-contrast views even at dusk, dawn, or in shaded environments.
Comfortable, Immersive Viewing
The ergonomic design of the SFL series makes extended use effortless. A large exit pupil and improved eyecups provide smooth transitions between touch points, ensuring comfort and immersive observation, even during prolonged sessions.
ZEISS T* and LotuTec® Lens Coatings
The ZEISS T* coating guarantees brilliant, high-contrast images across all lighting conditions, while the innovative LotuTec® coating repels water, dirt, and dust. This ensures a consistently clear view, no matter the weather.
Key Features
- 12x magnification for superior long-range detail
- 50mm objective lens for outstanding brightness
- UHD optical design with natural colour fidelity
- SmartFocus ergonomics for precision control
- 90% light transmission with ZEISS T* coating
- LotuTec® weatherproof lens protection
- Lightweight yet durable for travel and field use
| Magnification |
12 × |
| Effective lens diameter |
50 mm |
| Light transmission |
90% |
| Exit pupil diameter |
4.2 mm |
| Twilight factor |
24.5 |
| Field of view at 1,000 m (yds) |
105 m (315 ft) |
| Subjective viewing angle |
68° Ww |
| Close focusing distance |
1.8 m (5.9 ft) |
| Diopter adjustment range |
− 4.0 | + 4.0 dpt |
| Exit pupil distance |
18 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 |
