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GPO Passion ED 10x42 specs and field of view

The Passion ED 10x42 has a 340 ft field of view, 34th of 87 in its size. Weight of 26 oz and eye relief of 16 mm sit close to the 24.9 oz and 16 mm medians.

Field of view
340 ftat 1,000 yd
Eye relief
16 mm
Close focus
8.2 ft
Weight
26 oz
Exit pupil
4.2 mmcalculated

Why pick it

  • 340 ft view, wider than the typical 336 ft
  • 16 mm eye relief, enough for glasses
  • Focuses as close as 8.2 ft
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Passion ED 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.
Passion ED 10x42: width of view at 1,000 yd, against the median of the 87 10x42 models.

Who the Passion ED 10x42 suits

Distant birds and animals suit the 10x magnification, and the calculated exit pupil of 4.2 mm handles ordinary daylight use.

Close focus is 8.2 ft, longer than the 6.6 ft median, so subjects nearer than that stay blurred.

Passion ED 10x42 or another model: the best binoculars by maker figures shows how the popular ones differ. Passion ED 10x42 is one of 87 models in the 10x42 binoculars comparison. GPO lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.

Passion ED 10x42 specifications

Passion ED 10x42 figures as GPO prints them; rows marked * are calculated from the 10x42 size.

Passion ED 10x42 specifications
Magnification10x
Objective lens42 mm
Prism typeRoof
Field of view340 ft at 1,000 yd (113 m at 1,000 m)
Angular field of view6.5°
Apparent field of view65° *
Eye relief16 mm
Close focus8.2 ft (2.5 m)
Eye spacing range56 to 75 mm
Weight26 oz (737 g)
Extra-low dispersion glassYes
WaterproofingWaterproof and fogproof
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.

Passion ED 10x42 against other 10x42 binoculars

Passion ED 10x42 shows 340 ft at 1,000 yd, at or above the 336 ft median of the 87 10x42 models in the chart. At 26 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.

Passion ED 10x42 and its nearest rivals

Passion ED 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
GPO Passion ED 10x42 340 ft 16 mm 8.2 ft 26 oz 4.2 mm $500 to $1,000 Check price on Amazon
Athlon Cronus G2 UHD 10x42 338 ft 19.3 mm 6.6 ft 27.8 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
Hawke Frontier ED X Gen 2 10x42 367 ft 18 mm 4.9 ft 26.6 oz 4.2 mm $500 to $1,000

Other sizes of the Passion ED

GPO makes the Passion ED in 4 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.

ModelSizeField of viewEye reliefClose focusWeightExit pupilAmazon
GPO Passion ED 10x42 10x42 340 ft 16 mm 8.2 ft 26 oz 4.2 mm Check price on Amazon
GPO Passion ED 8x32 8x32 410 ft 16 mm 6.6 ft 17.6 oz 4 mm Check price on Amazon
GPO Passion ED 10x32 10x32 316 ft 15 mm 8.2 ft 17.6 oz 3.2 mm Check price on Amazon
GPO Passion ED 8x42 8x42 426 ft 18 mm 6.6 ft 26 oz 5.3 mm

GPO binoculars

Passion ED 10x42 questions

Passion ED 10x42: does it work with glasses?

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

Passion ED 10x42: what does 10x42 mean?

Passion ED 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.

Passion ED 10x42: how wide is the view?

Passion ED 10x42 shows a view 340 ft wide at 1,000 yd, at or above the 336 ft median of the 87 10x42 models in the chart.