- Zeiss Optics SFL 8x40 Binocular
Trusted & Verified
ZEISS SFL 8×40 Binoculars (Used)
- 8x magnification in 40mm objective lens
- 420 ft field of view at 1,000 yards
- 5 mm exit pupil diameter
- Schmidt-Pechan Prism system
- Zeiss T* and LotuTec coatings
- FieldFlattener technology
- Waterproof up to 400 mbar
- Durable and rugged magnesium housing
- 4.9 ft close focusing distance
- New Ultra-High-Definition (UHD) concept
Condition: Used – Very Good
Condition Details: Fully functional with light cosmetic wear such as small scratches or blemishes.
ZEISS introduces the ZEISS SFL 40, the newest addition to the ZEISS SF line of binoculars. SFL—SmartFocus and Lightweight—combines outstanding optical performance with a compact, lightweight design, allowing you to experience nature with exceptional clarity and comfort. Available in 8x40 and 10x40 configurations, the SFL 40 is built for effortless observation in the field while delivering premium viewing quality at a strong overall value.
Lightweight and Compact Design
Designed with long outdoor adventures in mind, the SFL 40 minimizes carry fatigue without sacrificing performance. Reduced lens diameter, thinner and closely spaced lens elements, and a rugged magnesium housing make these binoculars exceptionally lightweight yet durable—an ideal companion for extended trips and challenging terrain.
Exceptional Color Fidelity and Sharp Detail
The Ultra-High-Definition (UHD) optical concept delivers natural color reproduction and impressive image resolution. With 90% light transmission and ZEISS T* multicoating, the SFL 40 provides bright, high-contrast views even in low-light and twilight conditions. ZEISS FieldFlattener technology ensures sharp, edge-to-edge clarity across a wide field of view—up to 420 feet at 1,000 yards for the 8x40 model—while a close focusing distance of just 4.9 feet makes it equally capable for near and far observation. The LotuTec® lens coating repels water, dirt, and mud, maintaining a clear view in wet or harsh environments.
Simple, Intuitive Operation with Excellent Ergonomics
ZEISS SmartFocus technology places the focusing wheel in an ideal position for fast, precise adjustment—even while wearing gloves. With only 1.4 turns from close focus to infinity, the SFL 40 balances speed and accuracy perfectly. Enhanced eyecups and a large exit pupil relative to the compact size provide a comfortable viewing experience, even during long sessions or in low-light conditions.
Combining premium optics, thoughtful ergonomics, and a lightweight build, the ZEISS SFL 40 binoculars offer exceptional performance and comfort—making them an excellent value for nature observers who demand clarity, portability, and reliability.
ZEISS SFL 8x40 Binoculars
Key Features
| Magnification | 8× |
| Objective lens diameter | 40 mm |
| Prism system | Schmidt-Pechan |
| Lens coating | ZEISS T* coating |
| Nitrogen-filled for fogproof performance |
Optical Performance
| Light transmission | 90% |
| Exit pupil diameter | 5 mm |
| Twilight factor | 17.9 |
| Field of view | 420 ft at 1,000 yards |
| Subjective viewing angle | 60° |
| Exit pupil distance (eye relief) | 18 mm |
Focusing & Adjustments
| Close focusing distance | 4.9 ft |
| Diopter adjustment range | ±4 |
| Interpupillary distance (IPD) | 52–74 mm |
Environmental Specifications
| Water resistance | 400 mbar |
| Operating temperature | -4°F to +131°F |
Physical Specifications
| Length | 5.7 in |
| Width (at 65 mm IPD) | 4.5 in |
| Weight | 22.6 oz |
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Starting at $74.44/mo
Estimated over 18 months with Affirm, subject to eligibility and approval.
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Starting at $335.00
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Tab: Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
