Product Description
ZEISS SFL 8x40 Binoculars
Ultra-Light, Ultra-Sharp – Experience Nature with Effortless Clarity
The ZEISS SFL 8x40 Binoculars bring you closer to nature with an unbeatable combination of lightweight portability, high-performance optics, and smart ergonomic design. As part of the acclaimed ZEISS SF family, these binoculars are optimised for those who seek world-class viewing without the burden of extra weight — making them perfect for extended hikes, wildlife observation, and immersive outdoor adventures.
SmartFocus and Lightweight – Designed for Real-World Exploration
With the SFL (SmartFocus Lightweight) concept, ZEISS delivers full-size performance in a compact, carry-anywhere format. A smaller lens diameter and refined internal elements reduce both weight and volume, while maintaining the image brilliance and edge-to-edge sharpness that ZEISS is renowned for.
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Lightweight magnesium housing for strength without bulk
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Streamlined optical design allows for thin lens elements placed closer together
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Ideal for long treks, travel, and extended field use
Optical Excellence with UHD Concept
Ultra-High-Definition Visuals
The SFL 8x40 features ZEISS's UHD concept, including advanced lens coatings and a refined optical system that:
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Enhances fine detail resolution
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Produces vibrant, natural colours
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Accurately renders subtle textures like feathers, bark, or terrain
Whether you’re identifying birds or observing landscapes, you’ll experience vivid contrast and clarity — even in challenging light.
ZEISS T* Multicoating and LotuTec®
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T coating* ensures maximum light transmission for brightness and contrast, even in twilight conditions
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LotuTec® hydrophobic coating causes water, dust, and oil to bead off, keeping your view crystal-clear in rain, fog, or high humidity
Ergonomic Comfort & Precision Handling
SmartFocus System
Enjoy quick, intuitive focusing thanks to the SmartFocus wheel, ergonomically positioned within the DoubleLink Bridge. Only 1.4 turns are needed to go from close-up to infinity, making it easy to track fast-moving wildlife or shift from foreground to background.
Improved Eyecup Design
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Smoothly contoured touchpoints for effortless handling
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Optimised eye relief for comfortable viewing with or without glasses
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Secure, tactile grip even when wearing gloves
Specifications:
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Magnification: 8x
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Objective Lens Diameter: 40mm
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Field of View at 1,000m: Approx. 140m
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Close Focus Distance: Approx. 1.5m
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Exit Pupil: 5.0mm
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Twilight Factor: 17.9
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Lens Coating: ZEISS T* multicoating + LotuTec®
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Optical Concept: UHD
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Housing Material: Magnesium alloy
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Weight: Approx. 640g
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Waterproof/Nitrogen Filled: Yes
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Focus Mechanism: SmartFocus via DoubleLink Bridge
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Eyecup Type: Adjustable, twist-up
Ideal For:
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Birdwatchers and nature observers
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Hikers and long-distance trekkers
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Travel and safari photographers
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Anyone seeking premium optics in a lightweight package
Lightweight Vision, Built for the Wild
The ZEISS SFL 8x40 Binoculars redefine what compact binoculars can achieve — offering the clarity and control of a full-size system with the portability of a pocket-friendly design. With SmartFocus handling, durable construction, and breathtaking image fidelity, they are the ideal binoculars for those who go further to see more.
Explore without limits. See without compromise. ZEISS SFL.
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| Magnification | 8x |
| Effective lens diameter | 40mm |
| Light transmission | 90% |
| Exit pupil diameter | 5.0mm |
| Twilight factor | 17.9 |
| Field of view at 1,000m (yds) | 140m (420 ft) |
| Subjective viewing angle | 60° Ww |
| Close focusing distance | 1.5m (4.9 ft) |
| Diopter adjustment range |
− 4.0 | + 4.0 dpt |
| Exit pupil distance | 18mm |
| Pupil distance | 52–74mm |
| Lens type | UHD |
| Prism system |
Schmidt-Pechan |
| Water resistance | 400 mbar |
| Operating temperature |
−20°C | +55°C (−4°F | +131°F) |
| Length | 144mm (5.7") |
| Width at an interpupillary distance of 65mm | 114mm (4.5") |
| Weight | 640g (22.6oz) |
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