Celestron UpClose G2 20x50 specs and field of view
At 20 power this UpClose G2 has a 168 ft field and an exit pupil of just 2.5 mm, both small figures for a 50 mm body.
- Field of view
- 168 ftat 1,000 yd
- Eye relief
- 7 mm
- Close focus
- 42 ft
- Weight
- 28 oz
- Exit pupil
- 2.5 mmcalculated
Why pick it
- Widest view of the 2: 168 ft
- Lightest of the 2: 28 oz
- Takes a tripod adapter
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Who the UpClose G2 20x50 suits
Static distant subjects in bright light fit the 31.6 twilight factor. A tripod suits it, since the 28 oz body is tripod adaptable.
Relief of 7 mm is the shortest here, the close focus is 42 ft, and the 2.5 mm exit pupil gives little light at dusk.
UpClose G2 20x50 aside, the most popular models of all sizes are in our best binoculars comparison. Celestron lists it in the under $100 price band, alongside the models in best binoculars under $100.
UpClose G2 20x50 specifications
UpClose G2 20x50 figures as Celestron prints them; rows marked * are calculated from the 20x50 size.
| Magnification | 20x |
|---|---|
| Objective lens | 50 mm |
| Prism type | Porro |
| Field of view | 168 ft at 1,000 yd (56 m at 1,000 m) |
| Angular field of view | 3.2° |
| Apparent field of view | 64° * |
| Eye relief | 7 mm |
| Close focus | 42 ft (13 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 28 oz (794 g) |
| Waterproofing | Water Resistant |
| Tripod adaptable | Yes |
| Maker list price | under $100 |
| Exit pupil | 2.5 mm * |
| Twilight factor | 31.6 * |
| Relative brightness | 6.3 * |
* Calculated from the size, not printed by the maker.
UpClose G2 20x50 and its nearest rivals
UpClose G2 20x50 next to the 20x50 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 |
|---|---|---|---|---|---|---|---|
| Celestron UpClose G2 20x50 | 168 ft | 7 mm | 42 ft | 28 oz | 2.5 mm | under $100 | Check price on Amazon |
| Bushnell PowerView 2 20x50 | 165 ft | 105 mm | 31 ft | 28.4 oz | 2.5 mm |
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.
| Model | Size | Field of view | Eye relief | Close focus | Weight | Exit pupil | Amazon |
|---|---|---|---|---|---|---|---|
| Celestron UpClose G2 20x50 | 20x50 | 168 ft | 7 mm | 42 ft | 28 oz | 2.5 mm | Check price on Amazon |
| 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 8x40 | 8x40 | 429 ft | 12 mm | 19 ft | 24 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 binoculars
UpClose G2 20x50 questions
UpClose G2 20x50: does it work with glasses?
UpClose G2 20x50 has 7 mm of eye relief, well short of the 16 mm the RSPB advises for people who wear glasses.
UpClose G2 20x50: what does 20x50 mean?
UpClose G2 20x50 magnifies 20 times through 50 mm front lenses, which works out to an exit pupil of 2.5 mm, the width of the beam of light that reaches each eye.
UpClose G2 20x50: can it go on a tripod?
UpClose G2 20x50 is tripod adaptable according to Celestron, so it accepts a binocular tripod adapter.