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Bushnell H2O 10x42 specs and field of view

Close focus on the Bushnell H2O 10x42 is 12 ft, still long next to the 6.6 ft median for 10x42. The 22.2 oz weight sits under the 24.9 oz median.

Field of view
305 ftat 1,000 yd
Eye relief
15.6 mm
Close focus
12 ft
Weight
22.2 oz
Exit pupil
4.2 mmcalculated

Why pick it

  • 22.2 oz, lighter than the typical 24.9 oz
  • Waterproof
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H2O 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.
H2O 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.

Who the H2O 10x42 suits

It suits viewers who want a lighter 10x42 with a 305 ft field of view. The 4.2 mm calculated exit pupil gives usable light for daylight and early evening.

Its 305 ft field of view is below the 336 ft median, and the 15.6 mm eye relief is a little short of the 16 mm median.

H2O 10x42 aside, the most popular models of all sizes are in our best binoculars comparison. H2O 10x42 is one of 87 models in the 10x42 binoculars comparison.

H2O 10x42 specifications

H2O 10x42 figures as Bushnell prints them; rows marked * are calculated from the 10x42 size.

H2O 10x42 specifications
Magnification10x
Objective lens42 mm
Prism typeRoof
Field of view305 ft at 1,000 yd (93 m at 1,000 m)
Angular field of view5.3°
Apparent field of view53° *
Eye relief15.6 mm
Close focus12 ft (3.6 m)
Weight22.2 oz (629 g)
Length5.9 in (150 mm)
WaterproofingIPX7
Fog-proofing gasArgon
Tripod adaptableNo
Exit pupil4.2 mm *
Twilight factor20.5 *
Relative brightness17.6 *

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

H2O 10x42 against other 10x42 binoculars

H2O 10x42 shows 305 ft at 1,000 yd, below the 336 ft median of the 87 10x42 models in the chart. At 22.2 oz it is at or under the 24.9 oz median weight for the size.

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

H2O 10x42 and its nearest rivals

H2O 10x42 next to the 10x42 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
Bushnell H2O 10x42 305 ft 15.6 mm 12 ft 22.2 oz 4.2 mm Check price on Amazon
ZEISS Victory SF 10x42 360 ft 18 mm 4.9 ft 27.8 oz 4.2 mm
Canon 10x42 L IS WP 342 ft 16 mm 8.2 ft 39.2 oz 4.2 mm
ZEISS Terra ED 10x42 330 ft 14 mm 5.3 ft 25.6 oz 4.2 mm Check price on Amazon

Other sizes of the H2O

Bushnell makes the H2O in 8 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.

ModelSizeField of viewEye reliefClose focusWeightExit pupilAmazon
Bushnell H2O 10x42 10x42 305 ft 15.6 mm 12 ft 22.2 oz 4.2 mm Check price on Amazon
Bushnell H2O 8x25 Compact 8x25 361 ft 11 mm 19 ft 10.3 oz 3.1 mm
Bushnell H2O 10x25 Compact 10x25 320 ft 10 mm 17 ft 10.7 oz 2.5 mm
Bushnell H2O 12x25 12x25 262 ft 8 mm 19 ft 10.6 oz 2.1 mm
Bushnell H2O 12x25 Compact 12x25 262 ft 8 mm 19 ft 10.6 oz 2.1 mm
Bushnell H2O 8x42 (roof) 8x42 360 ft 17 mm 15 ft 22.7 oz 5.3 mm Check price on Amazon
Bushnell H2O 12x42 12x42 267 ft 14 mm 18 ft 31 oz 3.5 mm
Bushnell H2O 7x50 7x50 340 ft 27 mm 24 ft 37.5 oz 7.1 mm

Lists that include the H2O 10x42

Bushnell binoculars

H2O 10x42 questions

H2O 10x42: does it work with glasses?

H2O 10x42 has 15.6 mm of eye relief, under the 16 mm the RSPB advises for people who wear glasses, so the edge of the view may be cut off with glasses on.

H2O 10x42: what does 10x42 mean?

H2O 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.

H2O 10x42: how wide is the view?

H2O 10x42 shows a view 305 ft wide at 1,000 yd, below the 336 ft median of the 87 10x42 models in the chart.

H2O 10x42: can it go on a tripod?

Bushnell does not list the H2O 10x42 as tripod adaptable.