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Swarovski Optik

Swarovski NL Pure 12x42 Binoculars

  • 12x magnification, 42mm objective lens
  • 3.5mm exit pupil
  • Roof prism design, center focus
  • +/-4 diopter adjustment
  • Waterproof and fog-proof housing
  • Burnt orange finish

Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

Sharp, high magnification roof prism glasses for birders and hikers who scan open country at long range. The narrow exit pupil dims the view at dusk, and the high power shows every hand tremor.

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ASIN: B0FHBVCWMYModel: 36017-SwarovskiCategory: Binoculars

Colors Available

Burnt OrangeGreen

Sizes Available

8x328x4210x3210x5210x42

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Overview

Not a pocket compact, the Swarovski NL Pure in this size is a high magnification roof prism binocular built for distant birds and wildlife. A center focus wheel sets sharpness, and a diopter evens out differences between the eyes.

Reach is the reason to choose this model: the higher magnification pulls in plumage detail and far ridgelines that lower power glasses leave soft. That same magnification enlarges hand shake and narrows the exit pupil, so dusk viewing and long freehand sessions are harder.

Who it's for

Open marsh, coastline and mountain viewing reward the extra reach. Someone looking through thick woods, in fading light, or who struggles to hold glasses steady will see more with less magnification.

Pros and cons

Pros
  • High magnification for distant subjects
  • Waterproof and fog-proof
  • Wide diopter adjustment range
  • Center focus wheel for quick changes
Cons
  • Narrow exit pupil limits low light brightness
  • High power magnifies hand shake
  • Field of view not listed
  • Warranty terms left to the manufacturer website

Performance notes

Image brightness depends on the exit pupil, which here is narrower than a dark adapted eye can use, so the view dims as light fades. At high magnification small hand movements are enlarged, and a tripod or braced elbow steadies the picture. Fog-proof sealing prevents internal condensation when moving between cold air and a warm room.

Specifications

BrandSwarovski Optik
Model36017-Swarovski
Dimensions & fit
Objective lens diameter42 mm
Item weight0.38 pounds
Construction & materials
ColorBurnt Orange
Other details
Magnification12x
Prism typeRoof Prism
Focus typeCenter Focus, Manual
Specific usesBird Watching, Hiking And Outdoors
Water resistanceWaterproof, fog proof
Diopter adjustment+/-4 diopters
Exit pupil3.5 mm

Frequently asked questions

Are the Swarovski NL Pure 12x42 binoculars good in low light?

The listed exit pupil is 3.5mm, which is narrow for dusk viewing. They work most comfortably in daylight.

What are the Swarovski NL Pure 12x42 designed for?

The listing names bird watching, hiking and outdoor use, with manual center focus and a roof prism design.