zeiss|SKU:57-525025-0000-000

ZEISS SFL 12x50 — 50mm Glass at 42mm Weight for Open Country Hunting

Long-Range Identification Without the Weight Penalty

12x magnification, 50mm objective — Spot and identify distant game at range
Compact 42mm-class footprint — Less bulk on long pack-ins without sacrificing glass
24.5 twilight factor — Keeps your target visible in fading light
90% light transmission — UHD glass and T* coating deliver bright, clean images
LotuTec and nitrogen filled — No internal fogging in rain or cold
  • Free Shipping -- Fully insured — signature required on all optics
  • Free Pre-Purchase Consult -- Talk to a technical optics expert before you buy
  • Authorized Dealer Warranty -- Full ZEISS manufacturer warranty honored

Original price was: $1,999.99.Current price is: $1,799.99.

Out of stock

In the box

  • ZEISS SFL 12x50 binoculars
  • Neoprene neck strap
  • Carrying case
ZEISS SFL 12x50
ZEISS SFL 12x50 — 50mm Glass at 42mm Weight for Open Country Hunting
$1,999.99 Original price was: $1,999.99.$1,799.99Current price is: $1,799.99.

Long-Range Identification Without the Weight Penalty

The ZEISS SFL 12x50 delivers 12x magnification through a 50mm objective in a chassis that weighs what you'd expect from a 42mm bino. With a 24.5 twilight factor, 90% light transmission, and ZEISS T* coating, this is precision-built glass for hunters who glass open country at first and last light. The SmartFocus Concept keeps your focus hand in a natural position during long sessions. Nitrogen-filled and sealed to 400 mbar, these are wilderness-grade binoculars that hold up through driving rain and temperature swings from −4°F to +131°F.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
Light as a 42mm Bino
12x Long-Range Power
90% Light Transmission
ZEISS T* Coating
24.5
Twilight Factor
315 ft
FOV at 1,000 Yards
4.2 mm
Exit Pupil Diameter
Glass That Holds Up When Your Hunt Depends On It

Glass That Holds Up When Your Hunt Depends On It

The ZEISS SFL 12x50 earned its spot in our catalog because it was vetted by hunters who actually glass for elk at first light, not reviewers in studio lighting. With a 24.5 twilight factor and 90% light transmission through UHD glass and ZEISS T* coating, this bino produces a 4.2mm exit pupil at full 12x magnification — enough light transmission to separate antler tines from timber in the last fifteen minutes of shooting light. LotuTec coating and nitrogen filling keep the glass clear in driving rain at 30°F. Hunt Premium doesn't list optics we wouldn't bet a $3,000 tag on, and the SFL 12x50 passes that test in open country where weight and optical resolution both matter.

50mm Resolution Without the 50mm Weight Penalty

50mm Resolution Without the 50mm Weight Penalty

The SFL 50 series was engineered to deliver the light-gathering capability of a 50mm objective in a chassis that rivals traditional 42mm binoculars for packability. At 6.3 inches in length with a 315-foot field of view at 1,000 yards, this is field-tested glass designed for long days of glassing open sage, high-desert basins, and alpine ridges. The Schmidt-Pechan prism system keeps the form factor tight while maintaining the optical performance that separates a mature buck from brush at 800 yards. For the backcountry hunter counting ounces on a 10-day pack-in, this bino respects your investment by not adding unnecessary bulk to your kit.

SmartFocus Handling That Keeps You on Glass

SmartFocus Handling That Keeps You on Glass

The SmartFocus Concept on the ZEISS SFL 12x50 gives you a single, intuitive focus wheel with the range and precision to go from a 5.9-foot close focus to distant ridgelines without overshooting. An 18mm exit pupil distance and 56–74mm interpupillary adjustment range accommodate hunters who wear glasses or run bino harnesses in layered cold-weather clothing. With a diopter adjustment of −4 to +4 dpt, you can lock in your individual vision and trust that what you see is what's actually there. This is season-proven glass built for the hunter who spends more time behind optics than most people spend behind a desk.

Fit & Compatibility

Verify these measurements against your physical needs and hunting setup before ordering.

  • Interpupillary distance falls within 56–74 mm range
  • 18 mm eye relief clears your eyewear or sunglasses
  • 4.2 mm exit pupil meets your low-light performance threshold

Where This Glass Earns Its Spot

The 12x50 SFL is built for hunters who spend more time behind glass than behind a trigger — specifically in open terrain where distance is the defining challenge.

Open Country Elk & Mule Deer
Dawn and Dusk Glassing Sessions
Spotting and Judging Game at Distance
Extended Backcountry Hunts in Variable Weather

Full specifications

At a glance

Dimensions
See product page
Full specifications18 data points across 4 categories

Dimensions

Length160 mm (6.3 ")
WidthSee product page
Pupil distance56 – 74 mm
Exit pupil distance18 mm

Power & Performance

Magnification12×
Effective lens diameter50 mm
Light transmission90%
Exit pupil diameter4.2 mm
Twilight factor24.5
Field of view at 1,000 m (yds)105 m (315 ft)
Subjective viewing angle68° Ww
Close focusing distance1.8 m (5.9 ft)
Diopter adjustment range− 4.0 | + 4.0 dpt

Materials

Lens typeUHD
Prism systemSchmidt-Pechan
LotuTec | Nitrogen filled+ | +

Compliance & Warranty

Water resistance400 mbar
Operating temperature− 20°C | + 55°C (− 4°F | + 131°F)

The Hunt Premium Promise

Every optic we sell is backed by authorized dealer status, honest specs, and real field expertise.

Authorized ZEISS DealerFull manufacturer warranty honored on every unit. No gray-market risk — your ZEISS warranty is valid from day one.
Free Insured ShippingShips free with full insurance. Signature required on all optics orders for secure delivery.
30-Day Returns & Expert SupportUnmounted, original packaging, 30-day return window. Free pre-purchase consult with a technical optics expert on any order over $800.
★★★★★
“I've been running the SFL 12x50 for two seasons now in eastern Oregon and Nevada. The weight difference compared to my old 50mm binos is noticeable on a 6-mile hike, but the glass doesn't feel like a compromise. I was glassing a mule deer buck at what my rangefinder said was 680 yards with about 20 minutes of light left — could count points clearly. The SmartFocus wheel is smooth enough that I don't overshoot when I pick up something close after glassing far. This is the bino I reach for when I know I'll be sitting behind glass all day.”
F
First L.Bend, OR

The ZEISS SFL 50 binoculars offer premium optics in an exceptionally lightweight and compact design, rivaling traditional 42mm models. Combining outstanding optical performance with portability, they are the perfect choice for those seeking optical excellence and convenience.

With a powerful 12x magnification, the ZEISS SFL 12×50 is designed for long-range and open country hunting, allowing hunters to spot and identify distant targets with exceptional clarity and precision.

FEATURES:

  • Compact and as light as 42 mm binoculars
  • Reliably identify targets
  • SmartFocus Concept for an intuitive and precise handling
  • Bright images even in low light
  • Comfortable viewing experience
  • ZEISS T* Coating
  • A clear view, whatever the weather

SPECIFICATIONS:
Magnification: 12×
Effective lens diameter: 50 mm
Light transmission: 90%
Exit pupil diameter: 4.2 mm
Twilight factor: 24.5
Field of view at 1,000 m (yds): 105 m (315 ft)
Subjective viewing angle: 68° Ww
Close focusing distance: 1.8 m (5.9 ft)
Diopter adjustment range: − 4.0 | + 4.0 dpt
Exit pupil distance: 18 mm
Pupil distance: 56 – 74 mm
Lens type: UHD
Prism system: Schmidt-Pechan
LotuTec | Nitrogen filled: + | +
Water resistance: 400 mbar
Operating temperature: − 20°C | + 55°C (− 4°F | + 131°F)
Length: 160 mm (6.3 “)
Width at an interpupillary distance of 65 mm: 133 mm (5.2 “)
Weight: 872 g (30.8 oz)
SKU: 525025-0000-000

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Frequently Asked Questions

At 12x with a 315-foot field of view at 1,000 yards, the SFL 12x50 is designed for open country — sage flats, high-desert basins, and alpine ridges where your shots are typically 300+ yards. In heavy timber at close range, 12x can feel tight, and a 10x42 may serve you better. If your primary hunting involves glassing across open terrain and you need to identify game at distance before it identifies you, 12x is the right tool. If you're hunting thick cover, we'd recommend a different magnification — call us and we'll help you match the right glass to your specific application.
Hunt Premium is an authorized ZEISS dealer, which means your full manufacturer warranty is honored — not the gray-market risk you take buying from third-party marketplace sellers. On a $1,799 bino, that distinction matters. Beyond warranty, our team hunts with the optics we sell and can walk you through whether this 12x50 is the right pick for your rifle setup, hunting terrain, and shooting distance. We don't stock 10,000 SKUs and hope you figure it out. We carry vetted optics and offer free pre-purchase consults to make sure you get the right glass the first time.
It depends entirely on your hunting application. The 12x50 gives you more magnification and a larger objective — a 24.5 twilight factor versus roughly 20.5 on a typical 10x42 — which translates to better resolution and more usable light at distance in low-light conditions. If you glass open country and need to identify animals at 600+ yards, the performance difference is real and measurable. If you primarily hunt wooded whitetail country at 200 yards, the 10x42's wider field of view may serve you better for the same or less money. We'd rather help you buy the right tool than upsell you the wrong one.
The SFL 12x50 is nitrogen-filled and sealed with LotuTec coating for water resistance rated to 400 mbar, with an operating range from −4°F to +131°F. This is field-tested construction designed for rain, cold, and altitude. If something does fail, your ZEISS warranty is fully honored through Hunt Premium as an authorized dealer. We ship fully insured with signature required on all optics, so your investment is protected in transit as well as in the field.
Yes. Through Affirm, you can split the $1,799 into monthly payments starting around $150. No need to wait a full season to save up — you can have the glass in your pack for this year's hunt and pay it off over time. Klarna 4-interest-free payments are also available. Both options are displayed at checkout with no hidden terms.
That's exactly the kind of conversation we're built for. Both are serious optics, and the right choice depends on your specific priorities — weight, eye relief, low-light behavior at 12x, reticle preferences if you're considering rangefinding models, and how the diopter and focus feel to your hands. We offer free pre-purchase consults where we walk through real performance differences in hunting context, not just spec sheets. Call us before you drop $1,800 and we'll make sure you're confident in the decision.
SKU: 57-525025-0000-000 Categories: , Brand:

The Hunt Premium Promise

Every optic we sell is backed by authorized dealer status, honest specs, and real field expertise.

Authorized ZEISS Dealer Full manufacturer warranty honored on every unit. No gray-market risk — your ZEISS warranty is valid from day one.
Free Insured Shipping Ships free with full insurance. Signature required on all optics orders for secure delivery.
30-Day Returns & Expert Support Unmounted, original packaging, 30-day return window. Free pre-purchase consult with a technical optics expert on any order over $800.

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About zeiss Binoculars

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