Celestron Regal ED 10x42 specs and field of view
The Regal ED 10x42 focuses down to 4.9 ft, well under the 6.6 ft median for its size, and offers 20.2 mm of eye relief.
- Field of view
- 340 ftat 1,000 yd
- Eye relief
- 20.2 mm
- Close focus
- 4.9 ft
- Weight
- 27.1 oz
- Exit pupil
- 4.2 mmcalculated
Why pick it
- 340 ft view, wider than the typical 336 ft
- Longest eye relief of the 87: 20.2 mm
- Focuses as close as 4.9 ft
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Who the Regal ED 10x42 suits
Close subjects such as butterflies and garden birds suit the 4.9 ft focus. Eyeglass wearers get 20.2 mm of eye relief, and the 340 ft field is a little wider than the 336 ft median.
At 27.1 oz it is heavier than the 24.9 oz median for 10x42, and the 4.2 mm exit pupil gives less light at dusk than a 50 mm model.
Regal ED 10x42 or another model: the best binoculars by maker figures shows how the popular ones differ. Regal ED 10x42 is one of 87 models in the 10x42 binoculars comparison. Celestron lists it in the $200 to $500 price band, alongside the models in best binoculars under $500.
Regal ED 10x42 specifications
Regal ED 10x42 figures as Celestron prints them; rows marked * are calculated from the 10x42 size.
| Magnification | 10x |
|---|---|
| Objective lens | 42 mm |
| Prism type | Roof |
| Field of view | 340 ft at 1,000 yd (113 m at 1,000 m) |
| Angular field of view | 6.5° |
| Apparent field of view | 65° * |
| Eye relief | 20.2 mm |
| Close focus | 4.9 ft (1.5 m) |
| Eye spacing range | 56 to 74 mm |
| Weight | 27.1 oz (768 g) |
| Extra-low dispersion glass | Yes |
| Waterproofing | Waterproof |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | Yes |
| Maker list price | $200 to $500 |
| Exit pupil | 4.2 mm * |
| Twilight factor | 20.5 * |
| Relative brightness | 17.6 * |
* Calculated from the size, not printed by the maker.
Regal ED 10x42 against other 10x42 binoculars
Regal 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 27.1 oz it is heavier than the 24.9 oz median for the size.
Regal ED 10x42 and its nearest rivals
Regal ED 10x42 next to the 10x42 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 Regal ED 10x42 | 340 ft | 20.2 mm | 4.9 ft | 27.1 oz | 4.2 mm | $200 to $500 | Check price on Amazon |
| Athlon Midas G2 UHD 10x42 | 341 ft | 15.2 mm | 8.2 ft | 23.3 oz | 4.2 mm | $200 to $500 | Check price on Amazon |
| Opticron Explorer WA ED-R 10x42 | 339 ft | 15 mm | 8.2 ft | 23.3 oz | 4.2 mm | $200 to $500 | Check price on Amazon |
| Nikon Monarch M5 10x42 | 293 ft | 18.4 mm | 8.2 ft | 22.6 oz | 4.2 mm | $200 to $500 |
Other sizes of the Regal ED
Celestron makes the Regal ED in 2 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 Regal ED 10x42 | 10x42 | 340 ft | 20.2 mm | 4.9 ft | 27.1 oz | 4.2 mm | Check price on Amazon |
| Celestron Regal ED 8x42 | 8x42 | 420 ft | 22.5 mm | 4.9 ft | 27.1 oz | 5.3 mm | Check price on Amazon |
Celestron binoculars
Regal ED 10x42 questions
Regal ED 10x42: does it work with glasses?
Regal ED 10x42 has 20.2 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
Regal ED 10x42: what does 10x42 mean?
Regal 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.
Regal ED 10x42: how wide is the view?
Regal 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.
Regal ED 10x42: can it go on a tripod?
Regal ED 10x42 is tripod adaptable according to Celestron, so it accepts a binocular tripod adapter.