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Swarovski NL Pure 12x42 specs and field of view

It weighs 29.5 oz, the same as the NL Pure 8x42, yet gives 12x power with a 339 ft field. Close focus is 8.5 ft.

Field of view
339 ftat 1,000 yd
Eye relief
18 mm
Close focus
8.5 ft
Weight
29.5 oz
Exit pupil
3.5 mmcalculated

Why pick it

  • Widest view of the 4: 339 ft
  • Longest eye relief of the 4: 18 mm
  • Takes a tripod adapter
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NL Pure 12x42: width of view at 1,000 yd.
NL Pure 12x42: width of view at 1,000 yd.

Who the NL Pure 12x42 suits

Eyeglass wearers get 18 mm of eye relief. The 12x power suits distant subjects, and the tripod adaptable body steadies the view.

The calculated exit pupil is 3.5 mm, and the 339 ft field is narrower than on the 8x42.

NL Pure 12x42 can be set against the most popular models of every size in the best binoculars list. Swarovski lists it in the over $2,000 price band, alongside the models in best binoculars over $1,000.

NL Pure 12x42 specifications

NL Pure 12x42 figures as Swarovski prints them; rows marked * are calculated from the 12x42 size.

NL Pure 12x42 specifications
Magnification12x
Objective lens42 mm
Field of view339 ft at 1,000 yd (113 m at 1,000 m)
Angular field of view6.5°
Apparent field of view71°
Eye relief18 mm
Close focus8.5 ft (2.6 m)
Eye spacing range56 to 74 mm
Weight29.5 oz (840 g)
Length2.8 in (158 mm)
Width5.1 in (131 mm)
Tripod adaptableYes
Maker list priceover $2,000
Exit pupil3.5 mm *
Twilight factor22.4 *
Relative brightness12.3 *

* Calculated from the size, not printed by the maker.

NL Pure 12x42 against other 12x42 binoculars

NL Pure 12x42 shows 339 ft at 1,000 yd, at or above the 267 ft median of the 4 12x42 models in the chart. At 29.5 oz it is heavier than the 27 oz median for the size.

12x42 binoculars by field of view at 1,000 yd, widest first, from the makers' figures.

NL Pure 12x42 and its nearest rivals

NL Pure 12x42 next to the 12x42 models closest to it in maker list price, with the best figure in each column in bold.

ModelField of viewEye reliefClose focusWeightExit pupilMaker list priceAmazon
Swarovski NL Pure 12x42 339 ft 18 mm 8.5 ft 29.5 oz 3.5 mm over $2,000 Check price on Amazon
Maven C.1 12x42 262 ft 15 mm 5.9 ft 24.5 oz 3.5 mm $500 to $1,000
Nikon Monarch M5 12x42 267 ft 15.1 mm 8.2 ft 22.6 oz 3.5 mm $200 to $500
Bushnell H2O 12x42 267 ft 14 mm 18 ft 31 oz 3.5 mm

Other sizes of the NL Pure

Swarovski makes the NL Pure in 7 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.

ModelSizeField of viewEye reliefClose focusWeightExit pupilAmazon
Swarovski NL Pure 12x42 12x42 339 ft 18 mm 8.5 ft 29.5 oz 3.5 mm Check price on Amazon
Swarovski NL Pure 8x32 8x32 450 ft 18 mm 6.6 ft 22.8 oz 4 mm
Swarovski NL Pure 10x32 10x32 396 ft 18 mm 6.6 ft 22.8 oz 3.2 mm
Swarovski NL Pure 8x42 8x42 477 ft 18 mm 6.6 ft 29.5 oz 5.3 mm Check price on Amazon
Swarovski NL Pure 10x42 10x42 399 ft 18 mm 6.6 ft 30 oz 4.2 mm
Swarovski NL Pure 10x52 10x52 390 ft 17 mm 10.8 ft 36 oz 5.2 mm Check price on Amazon
Swarovski NL Pure 14x52 14x52 279 ft 17 mm 12.5 ft 36 oz 3.7 mm Check price on Amazon

Swarovski binoculars

NL Pure 12x42 questions

NL Pure 12x42: does it work with glasses?

NL Pure 12x42 has 18 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.

NL Pure 12x42: what does 12x42 mean?

NL Pure 12x42 magnifies 12 times through 42 mm front lenses, which works out to an exit pupil of 3.5 mm, the width of the beam of light that reaches each eye.

NL Pure 12x42: can it go on a tripod?

NL Pure 12x42 is tripod adaptable according to Swarovski, so it accepts a binocular tripod adapter.