Zeiss SFL 8x40 Binoculars 524023-0000-000




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The Ultimate Viewing Experience: Zeiss 524023-0000-000 SFL 8x40 Binocular

Zeiss SFL (SmartFocus Lightweight) Binoculars are a perfect combination of compact design and high-performance optics. These binoculars are perfect for bird watching and hunting, where portability and ease of use are paramount.

To achieve the compact size and lightweight design, Zeiss has reduced the diameter of the lenses by 2mm, allowing thinner, more closely spaced lens elements to be used. This has resulted in a reduction of weight by 23% and a decrease in length by 21% when compared to Zeiss’s Victory SF binoculars. The durable magnesium housing has further reduced the weight of the SFL, making it an astounding 30% lighter than binoculars of a similar class.

Despite the compact size, the SFL binoculars deliver maximum optical performance. They utilize the Ultra-High-Definition (UHD) concept, which includes special coatings and an improved optical design. The Zeiss T* multicoating provides a light transmission of 90%, allowing the user to clearly and precisely recognize details in twilight or adverse lighting conditions. The LotuTec lens coating makes it easy to shed rain, snow, and moisture, ensuring a clear view at all times.

The SFL binoculars are designed with ergonomics and viewing comfort in mind. They feature the SmartFocus Concept, with a perfectly positioned focusing wheel on the DoubleLink Bridge. The focusing wheel can be operated with ease, requiring only 1.4 turns from close focus to infinity, even with gloves on. The generous exit pupil enables quick and easy positioning of the eye, while the improved eyecups provide a better ergonomic feel and a smooth transition between the touch points.

Overall, Zeiss’s SFL binoculars are an excellent choice for anyone looking for a lightweight, compact, and high-performance binocular. With their advanced optical design and user-friendly features, they are sure to enhance any bird watching or hunting experience.

Features of the SFL Binoculars:

  • Designed to be as lightweight and compact as possible – 30% lighter than binoculars of a similar class
  • SmartFocus Concept: Perfectly positioned focusing wheel can be operated without having to spread your fingers, and requires only 1.4 turns from close focus to infinity
  • Ultra-High-Definition (UHD) Concept: Utilize special coatings and an improved optical design that ensures the binoculars deliver the highest level of detail and reproduce colors with natural fidelity
  • Zeiss T* Coatings: Provides a light transmission of 90% allowing user to see more detail in twilight or other adverse light conditions
  • LotuTec Lens Coating: Easily shed rain, snow, and moisture


Binocular Weight:22.6 oz
Binocular Magnification:8x
Objective Lens Diameter:40mm
Binocular Eye Relief:18mm
Exit PupilDiameter: 5mm
Distance: 18mm
Field of View:420 ft @ 1000 yards
Dimensions:Length: 5.7 inches
Angular Field of View60° Ww
Twilight Factor:17.9
Light Transmission:90%
Close Focus Range:4.9 ft
Interpupillary Distance:114 mm
Product TypeShop All Binoculars
BrandShop All Zeiss Sport Optics
Date First AvailableMarch 31, 2022
Last UpdatedNovember 28, 2023

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