Zeiss SFL 12x50 Binoculars

The Zeiss SFL 12x50 binoculars combine a lightweight magnesium chassis with precision-engineered optics for exceptional clarity in a compact format. With 90% light transmission, a 50 mm objective lens, UHD optical concept, and ZEISS T* multi-coating, they deliver outstanding performance in low light. The SmartFocus system allows quick, glove-friendly adjustments, while a 1.8 m close focus and long-range magnification suit distant wildlife and open landscapes.

Zeiss SFL 12x50 Binoculars Key Features:

• 12x magnification with 105 m field of view for long-range subject identification
• Large 50 mm objective lens with 90% light transmission for low-light clarity
• UHD optical concept with ZEISS T* multi-coating for colour fidelity and high contrast
• Magnesium housing with compact hinge for lightweight durability
• SmartFocus system with large, ergonomic focus wheel
• Close focusing distance of 1.8 m for detailed observation
• Schmidt-Pechan prisms and reduced lens spacing for compact design
• LotuTec lens coating repels water, dirt and fingerprints
• Perfectly balanced design for fatigue-free extended viewing
• Removable, adjustable eyecups for improved comfort and ease of cleaning

Compact power with 50mm clarity

The Zeiss SFL 12x50 binoculars deliver the brightness and resolution of a 50mm objective in a surprisingly compact and lightweight body. Thanks to an optical system that reduces lens diameter and minimises internal spacing, they rival the size and weight of many 42mm models—ideal for those who demand optical performance without added bulk.

Bright, detailed viewing in low light

Engineered for dawn, dusk and overcast conditions, the SFL 12x50 delivers 90% light transmission through a refined UHD optical system. Combined with ZEISS T* multi-coating and a 4.2 mm exit pupil, this design ensures crisp, colour-accurate images even in challenging light. It’s an excellent choice for wildlife watchers and birders who rely on performance at all hours.

Fast, intuitive focusing with SmartFocus

The SmartFocus concept places a large, textured focus wheel within easy reach, ensuring quick, accurate adjustments with minimal finger movement. Requiring just 1.4 turns from close focus to infinity, the system maintains precision even with gloves—ideal for use in colder environments or rapid-response situations in the field.

Designed for comfort in the field

With its perfectly balanced weight distribution and magnesium chassis, the SFL 12x50 sits comfortably in hand for extended viewing. Improved eyecups and a wide exit pupil make positioning effortless, offering a fatigue-free experience whether you’re glassing landscapes or tracking birds across the treetops.

Built to withstand the elements

From unexpected rain to dusty trails, the Zeiss LotuTec coating keeps your view clear by repelling moisture, dirt and smudges. Nitrogen purging prevents internal fogging, while a robust, armoured body adds protection in tough environments. Ready for any condition, these binoculars are a reliable companion wherever your observation takes you.

Choosing the right magnification for your needs

The SFL 50 range is designed to give users a choice between field of view and subject detail. The 8x50 offers the widest view and best low-light comfort, ideal for handheld scanning and general wildlife observation. The 10x50 provides a balance of reach and stability, suited to versatile mid-range use. For distant subjects and detailed identification, the 12x50 delivers maximum magnification while maintaining the optical clarity and handling of the SFL series.

What's in the box?

• 1 x Zeiss SFL 12x50 Binoculars
• 1 x Eyepiece Rainguard with Strap
• 2 x Objective Lens Caps
• 1 x Carrying Case with Strap
• 1 x Lens Cloth

FAQs:

What is the field of view of the Zeiss SFL 12x50 binoculars?

The Zeiss SFL 12x50 offers a wide field of view of 105 metres at 1,000 metres, making them ideal for scanning broad landscapes and tracking fast-moving subjects with ease. The 12x magnification provides greater reach for detailed, long-range observation.

Are the Zeiss SFL 12x50 binoculars suitable for users with glasses?

Yes, with a generous 18 mm eye relief and adjustable eyecups, the SFL 12x50 provides a comfortable viewing experience for glasses wearers. The eyecups are easy to remove and clean, helping you maintain clear, reliable performance over time.

What is the operating temperature range of these binoculars?

The Zeiss SFL 12x50 is designed to perform in extreme conditions, operating reliably between −20°C and +55°C. Whether you're out in frosty winter mornings or hot summer fields, these binoculars maintain clarity and durability.

How much do the Zeiss SFL 12x50 binoculars weigh?

Weighing just 872 grams, the SFL 12x50 offers an excellent balance between stability and portability. The magnesium construction keeps weight down without compromising strength, making them comfortable to carry during long hours in the field.

How water-resistant are the Zeiss SFL 12x50 binoculars?

The Zeiss SFL 12x50 binoculars are waterproof up to 400 mbar, equivalent to a water depth of roughly 4 metres. This ensures reliable protection against rain, splashes, and accidental submersion. Combined with the LotuTec hydrophobic lens coating, they maintain a clear view even in wet or humid conditions.