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ZEISS SFL 10x40 + case (free ZEISS cross-body strap)

ZEISS SFL 10x40

Description

The ZEISS SFL 10×40 (SFL = SmartFocus Lightweight) is a premium pair of binoculars within the ZEISS SF family, designed specifically for mobile nature observers, hunters and travellers. With its lightweight magnesium housing and SmartFocus concept, it offers comfortable handling and outstanding image quality – even in wet or adverse weather conditions

Key features:

  • Ultra-High-Definition (UHD) Concept: ensures true-to-life colours and razor-sharp details through optimised lens design and coatings

  • SmartFocus concept: the focus wheel is ergonomically positioned in the DoubleLink Bridge and allows precise focusing with just around 1.4 turns – even when wearing gloves

  • LotuTec® & ZEISS T* coating: guarantee clear vision in all weather conditions and high contrast in twilight situations

  • Magnesium housing, water- and nitrogen-sealed (up to 400 mbar): robust, durable and weatherproof

  • Lightweight & compact: up to 20% lighter and 13% more compact than Victory SF models; up to 30% lighter than comparable binoculars from the competition


Technical specifications (ZEISS data)

FeatureSpecification
Magnification10×
Objective lens diameter40 mm
Light transmission90%
Exit pupil diameter4.0 mm
Twilight factor20.0
Field of view at 1000 m115 m (≈ 345 ft)
Subjective angle of viewapprox. 62° Ww
Minimum focusing distance1.5 m (≈ 4.9 ft)
Dioptre adjustment range−4.0 ... +4.0 dpt
Eyecup/eye relief18 mm
Interpupillary distance (IPD)52 – 74 mm
Prism systemSchmidt-Pechan
Water resistance400 mbar, nitrogen-filled
Operating temperature−20 °C to +55 °C
Dimensions (L × W with IPD 65 mm)144 × 114 mm
Weightapprox. 640 g (22.6 oz)
WarrantyUsually 10 years
Typical accessoriesCarrying strap, case, lens/eyepiece caps, cleaning cloth, instructions