Swarovski NL Pure 10x42 specs and field of view

Second among 87 models of 10x42, the NL Pure 10x42 has a 399 ft field against a 336 ft median. Close focus of 6.6 ft equals the median.

Field of view: 399 ftat 1,000 yd
Eye relief: 18 mm
Close focus: 6.6 ft
Weight: 30 oz
Exit pupil: 4.2 mmcalculated

Why pick it

399 ft view, wider than the typical 336 ft
18 mm eye relief, enough for glasses
Focuses as close as 6.6 ft

NL Pure 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.

Who the NL Pure 10x42 suits

Eyeglass wearers get 18 mm of eye relief, and close subjects stay in focus at 6.6 ft. The calculated 4.2 mm exit pupil suits daylight and moderate dusk.

At 30 oz it is heavier than the 24.9 oz median for 10x42.

NL Pure 10x42 can be set against the most popular models of every size in the best binoculars list. NL Pure 10x42 is one of 87 models in the 10x42 binoculars comparison. Swarovski lists it in the over $2,000 price band, alongside the models in best binoculars over $1,000.

NL Pure 10x42 specifications

NL Pure 10x42 figures as Swarovski prints them; rows marked * are calculated from the 10x42 size.

NL Pure 10x42 specifications
Magnification	10x
Objective lens	42 mm
Field of view	399 ft at 1,000 yd (133 m at 1,000 m)
Angular field of view	7.6°
Apparent field of view	70°
Eye relief	18 mm
Close focus	6.6 ft (2 m)
Eye spacing range	56 to 74 mm
Weight	30 oz (850 g)
Length	2.8 in (158 mm)
Width	5.1 in (131 mm)
Tripod adaptable	Yes
Maker list price	over $2,000
Exit pupil	4.2 mm *
Twilight factor	20.5 *
Relative brightness	17.6 *

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

NL Pure 10x42 against other 10x42 binoculars

NL Pure 10x42 shows 399 ft at 1,000 yd, at or above the 336 ft median of the 87 10x42 models in the chart. At 30 oz it is heavier than the 24.9 oz median for the size.

Kowa SV III 10x42400 ft
Swarovski NL Pure 10x42399 ft
Bushnell R5 10x42390 ft
Minox X-PRO 10x42390 ft
Kowa BD III 10x42 XD378 ft
Hawke Frontier APO 10x42372 ft
Nikon Prostaff P3 10x42367 ft
Nikon Prostaff P7 10x42367 ft
Hawke Frontier ED X Gen 2 10x42367 ft
GPO Passion HD 10x42366 ft
Nikon Monarch HG 10x42363 ft

10x42 binoculars by field of view at 1,000 yd, widest first, from the makers' figures.

NL Pure 10x42 and its nearest rivals

NL Pure 10x42 next to the 10x42 models closest to it in maker list price, with the best figure in each column in bold.

Model	Field of view	Eye relief	Close focus	Weight	Exit pupil	Maker list price	Amazon
Swarovski NL Pure 10x42	399 ft	18 mm	6.6 ft	30 oz	4.2 mm	over $2,000
Vortex Razor UHD 10x42	346 ft	16.7 mm	4.5 ft	32.2 oz	4.2 mm	over $2,000
Swarovski EL 10x42	336 ft	20 mm	10.8 ft	29.6 oz	4.2 mm	$1,000 to $2,000	Check price on Amazon
Vortex Razor HD 10x42	362 ft	16.5 mm	6 ft	24.8 oz	4.2 mm	$1,000 to $2,000

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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.

Model	Size	Field of view	Eye relief	Close focus	Weight	Exit pupil	Amazon
Swarovski NL Pure 10x42	10x42	399 ft	18 mm	6.6 ft	30 oz	4.2 mm
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 12x42	12x42	339 ft	18 mm	8.5 ft	29.5 oz	3.5 mm	Check price on Amazon
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 10x42 questions

NL Pure 10x42: does it work with glasses?

NL Pure 10x42 has 18 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.

NL Pure 10x42: what does 10x42 mean?

NL Pure 10x42 magnifies 10 times through 42 mm front lenses, which works out to an exit pupil of 4.2 mm, the width of the beam of light that reaches each eye.

NL Pure 10x42: how wide is the view?

NL Pure 10x42 shows a view 399 ft wide at 1,000 yd, at or above the 336 ft median of the 87 10x42 models in the chart.

NL Pure 10x42: can it go on a tripod?

NL Pure 10x42 is tripod adaptable according to Swarovski, so it accepts a binocular tripod adapter.