Binocular Chart

Leupold BX-4 Pro Guide HD Gen 2 10x42 specs and field of view

This BX-4 Pro Guide HD Gen 2 offers 17 mm of eye relief against a 16 mm median for 10x42 models. Its 314 ft field at 1,000 yd sits 70th of 87.

Field of view
314 ftat 1,000 yd
Eye relief
17 mm
Close focus
9.3 ft
Weight
25 oz
Exit pupil
4.2 mmcalculated

Why pick it

  • 17 mm eye relief, enough for glasses
  • Waterproof
  • Takes a tripod adapter
BX-4 Pro Guide HD Gen 2 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.
BX-4 Pro Guide HD Gen 2 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.

Who the BX-4 Pro Guide HD Gen 2 10x42 suits

Eyeglass wearers get 17 mm to work with, and the roof prism body is waterproof and fogproof for hunting in wet weather. At 25 oz it carries about like the 24.9 oz median.

A 9.3 ft close focus is farther than the 6.6 ft median, and the field is narrower than the 336 ft median.

BX-4 Pro Guide HD Gen 2 10x42 is one choice among many, and the top binoculars compared covers the most popular ones. BX-4 Pro Guide HD Gen 2 10x42 is one of 87 models in the 10x42 binoculars comparison. Leupold lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.

BX-4 Pro Guide HD Gen 2 10x42 specifications

BX-4 Pro Guide HD Gen 2 10x42 figures as Leupold prints them; rows marked * are calculated from the 10x42 size.

BX-4 Pro Guide HD Gen 2 10x42 specifications
Magnification10x
Objective lens42 mm
Prism typeRoof
Field of view314 ft at 1,000 yd (105 m at 1,000 m)
Angular field of view6°
Apparent field of view60° *
Eye relief17 mm
Close focus9.3 ft (2.8 m)
Eye spacing range56 to 74 mm
Weight25 oz (709 g)
WaterproofingWaterproof and fogproof
Tripod adaptableYes
Focus systemCenter focus
Maker list price$500 to $1,000
Exit pupil4.2 mm *
Twilight factor20.5 *
Relative brightness17.6 *

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

BX-4 Pro Guide HD Gen 2 10x42 against other 10x42 binoculars

BX-4 Pro Guide HD Gen 2 10x42 shows 314 ft at 1,000 yd, below the 336 ft median of the 87 10x42 models in the chart. At 25 oz it is heavier than the 24.9 oz median for the size.

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

BX-4 Pro Guide HD Gen 2 10x42 and its nearest rivals

BX-4 Pro Guide HD Gen 2 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
Leupold BX-4 Pro Guide HD Gen 2 10x42 314 ft 17 mm 9.3 ft 25 oz 4.2 mm $500 to $1,000
Bushnell R7 10x42 345 ft 18 mm 5 ft 27.2 oz 4.2 mm $500 to $1,000 Check price on Amazon
Steiner BluHorizons 10x42 300 ft 16 mm 6 ft 25 oz 4.2 mm $500 to $1,000 Check price on Amazon
Hawke Frontier ED X 10x42 336 ft 15 mm 8.2 ft 25.6 oz 4.2 mm $500 to $1,000

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Other sizes of the BX-4 Pro Guide HD Gen 2

Leupold makes the BX-4 Pro Guide HD Gen 2 in 4 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.

ModelSizeField of viewEye reliefClose focusWeightExit pupil
Leupold BX-4 Pro Guide HD Gen 2 10x42 10x42 314 ft 17 mm 9.3 ft 25 oz 4.2 mm
Leupold BX-4 Pro Guide HD Gen 2 8x42 8x42 376 ft 18 mm 8.7 ft 24.5 oz 5.3 mm
Leupold BX-4 Pro Guide HD Gen 2 10x50 10x50 299 ft 19 mm 9.3 ft 28.7 oz 5 mm
Leupold BX-4 Pro Guide HD Gen 2 12x50 12x50 257 ft 16 mm 10 ft 29.3 oz 4.2 mm

Leupold binoculars

BX-4 Pro Guide HD Gen 2 10x42 questions

BX-4 Pro Guide HD Gen 2 10x42: does it work with glasses?

BX-4 Pro Guide HD Gen 2 10x42 has 17 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.

BX-4 Pro Guide HD Gen 2 10x42: what does 10x42 mean?

BX-4 Pro Guide HD Gen 2 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.

BX-4 Pro Guide HD Gen 2 10x42: how wide is the view?

BX-4 Pro Guide HD Gen 2 10x42 shows a view 314 ft wide at 1,000 yd, below the 336 ft median of the 87 10x42 models in the chart.

BX-4 Pro Guide HD Gen 2 10x42: can it go on a tripod?

BX-4 Pro Guide HD Gen 2 10x42 is tripod adaptable according to Leupold, so it accepts a binocular tripod adapter.