Binocular Chart

Celestron UpClose G2 8x40 specs and field of view

Pairing a 429 ft field with a 5 mm exit pupil, Celestron UpClose G2 8x40 weighs 24 oz and focuses down to 19 ft.

Field of view
429 ftat 1,000 yd
Eye relief
12 mm
Close focus
19 ft
Weight
24 oz
Exit pupil
5 mmcalculated

Why pick it

  • 24 oz, lighter than the typical 25.6 oz
  • Takes a tripod adapter
UpClose G2 8x40: width of view at 1,000 yd, against the median of the 6 8x40 models.
UpClose G2 8x40: width of view at 1,000 yd, against the median of the 6 8x40 models.

Who the UpClose G2 8x40 suits

General viewing in daylight and at dusk suits the 5 mm exit pupil and the 8.2 degree view. The 12 mm eye relief is best for users without eyeglasses.

The close focus of 19 ft rules out near subjects, and the maker lists it as water resistant.

UpClose G2 8x40 is one choice among many, and the top binoculars compared covers the most popular ones. UpClose G2 8x40 is one of 6 models in the 8x40 binoculars comparison. Celestron lists it in the under $100 price band, alongside the models in best binoculars under $100.

UpClose G2 8x40 specifications

UpClose G2 8x40 figures as Celestron prints them; rows marked * are calculated from the 8x40 size.

UpClose G2 8x40 specifications
Magnification8x
Objective lens40 mm
Prism typePorro
Field of view429 ft at 1,000 yd (143 m at 1,000 m)
Angular field of view8.2°
Apparent field of view66° *
Eye relief12 mm
Close focus19 ft (6 m)
Eye spacing range56 to 72 mm
Weight24 oz (680 g)
WaterproofingWater Resistant
Tripod adaptableYes
Maker list priceunder $100
Exit pupil5 mm *
Twilight factor17.9 *
Relative brightness25 *

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

UpClose G2 8x40 against other 8x40 binoculars

UpClose G2 8x40 shows 429 ft at 1,000 yd, at or above the 429 ft median of the 6 8x40 models in the chart. At 24 oz it is at or under the 25.6 oz median weight for the size.

8x40 binoculars by field of view at 1,000 yd, widest first, from the makers' figures.

UpClose G2 8x40 and its nearest rivals

UpClose G2 8x40 next to the 8x40 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
Celestron UpClose G2 8x40 429 ft 12 mm 19 ft 24 oz 5 mm under $100
Celestron Landscout 8x40 429 ft 12 mm 19 ft 24 oz 5 mm under $100
Pentax SP 8x40 429 ft 13 mm 20 ft 27.2 oz 5 mm Check price on Amazon
Nikon Action EX 8x40 CF 429 ft 17.2 mm 16.4 ft 30.2 oz 5 mm

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Other sizes of the UpClose G2

Celestron makes the UpClose G2 in 7 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.

ModelSizeField of viewEye reliefClose focusWeightExit pupilAmazon
Celestron UpClose G2 8x40 8x40 429 ft 12 mm 19 ft 24 oz 5 mm
Celestron UpClose G2 8x21 8x21 378 ft 11 mm 10 ft 8 oz 2.6 mm Check price on Amazon
Celestron UpClose G2 10x25 10x25 300 ft 11 mm 15 ft 11 oz 2.5 mm Check price on Amazon
Celestron UpClose G2 7x35 7x35 483 ft 13 mm 13 ft 22 oz 5 mm
Celestron UpClose G2 10x50 10x50 354 ft 12 mm 23 ft 27 oz 5 mm
Celestron UpClose G2 10-30x50 10-30x50 225 ft 20 mm 26 ft 28 oz 5 mm
Celestron UpClose G2 20x50 20x50 168 ft 7 mm 42 ft 28 oz 2.5 mm Check price on Amazon

Celestron binoculars

UpClose G2 8x40 questions

UpClose G2 8x40: does it work with glasses?

UpClose G2 8x40 has 12 mm of eye relief, well short of the 16 mm the RSPB advises for people who wear glasses.

UpClose G2 8x40: what does 8x40 mean?

UpClose G2 8x40 magnifies 8 times through 40 mm front lenses, which works out to an exit pupil of 5 mm, the width of the beam of light that reaches each eye.

UpClose G2 8x40: how wide is the view?

UpClose G2 8x40 shows a view 429 ft wide at 1,000 yd, at or above the 429 ft median of the 6 8x40 models in the chart.

UpClose G2 8x40: can it go on a tripod?

UpClose G2 8x40 is tripod adaptable according to Celestron, so it accepts a binocular tripod adapter.