ZEISS 10×30 SFL Binoculars
SmartFocus Lightweight — Maximum Performance, Minimum Weight
The ZEISS 10×30 SFL delivers full ZEISS optical quality with a more portable, compact form. Designed for discerning birders, nature observers, and outdoor enthusiasts who demand high image quality without the bulk, the SFL 10×30 blends advanced optics, vivid coatings, rugged weather protection, and ergonomic design.
🔍 Key Features
10× Magnification with 30 mm Objectives — Strong long‑range detail while staying manageable in size and weight. B&H Photo Video+2Naturbutiken+2
SmartFocus Lightweight (SFL) Design — Smaller lens diameter, thinner lens elements, optimized internal layout that cuts weight and length compared to larger ZEISS Victory SF models. Naturbutiken+2zeiss.co.kr+2
Ultra‑High Definition (UHD) Optical System — Enhanced coatings and optical design for bright, clear, faithful color reproduction and crisp detail across the field. zeiss.pt+2New & Used Cameras, Lenses & Accessories+2
ZEISS T Coating + LotuTec® Hydrophobic Coating* — T* ensures high transmission, contrast and clarity; LotuTec causes water & grime to bead off for better usability in wet or humid conditions. Tanotis+3botach.com+3zeiss.pt+3
Nitrogen-filled, Waterproof / Fog-proof — Sealed to resist water ingress and internal fogging. botach.com+2Zeiss+2
Ergonomic SmartFocus Wheel — Easily accessible focusing with good feel; only ~1.4 turns from close focus to infinity. B&H Photo Video+2KAMERAZ+2
🔧 Technical Specifications & Physical Details
Specification | Detail |
---|---|
Magnification | 10× botach.com+2B&H Photo Video+2 |
Objective Lens Diameter | 30 mm KAMERAZ+2zeiss.co.kr+2 |
Field of View | 120 m @ 1,000 m (≈ 360 ft @ 1,000 yd) botach.com+2Tanotis+2 |
Apparent Angle of View | ~65° botach.com+1 |
Exit Pupil Diameter | 3.0 mm botach.com+1 |
Eye Relief | 18 mm Naturbutiken+1 |
Close Focus Distance | 1.5 m (≈ 4.9 ft) Tanotis+1 |
Interpupillary Distance (IPD) Range | ~ 54 – 74 mm botach.com+1 |
Diopter Adjustment Range | −4.0 to +4.0 dpt botach.com+1 |
Transmission | ~ 90% light transmission botach.com+2Tanotis+2 |
Weight | ~ 460 g (≈ 16.2 oz) ukdigital.co.uk+2Naturbutiken+2 |
Dimensions | ~ 120 mm length × 107 mm width (at ~65 mm IPD) ukdigital.co.uk+2Naturbutiken+2 |
Prism System | Schmidt‑Pechan roof prisms KAMERAZ+1 |
Water Resistance / Waterproof Rating | 400 mbar; nitrogen‑purged, fog‑proof. botach.com+2Tanotis+2 |
Operating Temperature | −20°C to +55°C (−4°F to +131°F) botach.com+1 |
🏞 Best For / Use Cases
Travelers or field users who want ZEISS clarity without the bulk of 42mm objectives
Birdwatching, when light weight and fast handling are valuable
Naturalists needing both mid‑to‑long range and some “close‑focusing” for nearby subjects
Low‑light observation in dawn, dusk or shaded forest areas
Situations where rugged weather resistance matters

⚠️ Things to Consider
Exit pupil of 3 mm is smaller than 4‑5 mm; less forgiving in very low light compared to larger objectives
High magnification (10×) requires steadier hands; tripod option may help for long observation periods
Slightly more edge aberration vs larger lenses might occur, though optics are excellent overall per user reviews.