Celestron SkyMaster Pro 15x70 specs and field of view
The SkyMaster Pro 15x70 is waterproof and nitrogen filled at 51 oz, with a calculated twilight factor of 32.4 and 17 mm of eye relief.
- Field of view
- 231 ftat 1,000 yd
- Eye relief
- 17 mm
- Close focus
- 49.2 ft
- Weight
- 51 oz
- Exit pupil
- 4.7 mmcalculated
Why pick it
- 17 mm eye relief, enough for glasses
- Waterproof
- Takes a tripod adapter
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Who the SkyMaster Pro 15x70 suits
Tripod sky watching in damp weather suits the sealed body. The calculated 4.7 mm exit pupil and 17 mm eye relief work for glasses, at a $200 to $500 maker list price band.
A 49.2 ft close focus and 51 oz weight rule out handheld use on nearby subjects, and the 231 ft view is narrow.
SkyMaster Pro 15x70 is one choice among many, and the top binoculars compared covers the most popular ones. Celestron lists it in the $200 to $500 price band, alongside the models in best binoculars under $500.
SkyMaster Pro 15x70 specifications
SkyMaster Pro 15x70 figures as Celestron prints them; rows marked * are calculated from the 15x70 size.
| Magnification | 15x |
|---|---|
| Objective lens | 70 mm |
| Prism type | Porro |
| Field of view | 231 ft at 1,000 yd (77 m at 1,000 m) |
| Angular field of view | 4.4° |
| Apparent field of view | 66° * |
| Eye relief | 17 mm |
| Close focus | 49.2 ft (15 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 51 oz (1,450 g) |
| Waterproofing | Waterproof |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | Yes |
| Maker list price | $200 to $500 |
| Exit pupil | 4.7 mm * |
| Twilight factor | 32.4 * |
| Relative brightness | 21.8 * |
* Calculated from the size, not printed by the maker.
SkyMaster Pro 15x70 against other 15x70 binoculars
SkyMaster Pro 15x70 shows 231 ft at 1,000 yd, at or above the 231 ft median of the 3 15x70 models in the chart. At 51 oz it is at or under the 51 oz median weight for the size.
SkyMaster Pro 15x70 and its nearest rivals
SkyMaster Pro 15x70 next to the 15x70 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 SkyMaster Pro 15x70 | 231 ft | 17 mm | 49.2 ft | 51 oz | 4.7 mm | $200 to $500 | Check price on Amazon |
| Celestron SkyMaster Pro ED 15x70 | 230 ft | 15.7 mm | 42.7 ft | 73.7 oz | 4.7 mm | $200 to $500 | Check price on Amazon |
| Celestron SkyMaster 15x70 | 231 ft | 18 mm | 43 ft | 48 oz | 4.7 mm | $100 to $200 | Check price on Amazon |
Other sizes of the SkyMaster Pro
Celestron makes the SkyMaster Pro 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 SkyMaster Pro 15x70 | 15x70 | 231 ft | 17 mm | 49.2 ft | 51 oz | 4.7 mm | Check price on Amazon |
| Celestron SkyMaster Pro 20x80 | 20x80 | 168 ft | 15.5 mm | 66.2 ft | 86.4 oz | 4 mm | Check price on Amazon |
Celestron binoculars
SkyMaster Pro 15x70 questions
SkyMaster Pro 15x70: does it work with glasses?
SkyMaster Pro 15x70 has 17 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
SkyMaster Pro 15x70: what does 15x70 mean?
SkyMaster Pro 15x70 magnifies 15 times through 70 mm front lenses, which works out to an exit pupil of 4.7 mm, the width of the beam of light that reaches each eye.
SkyMaster Pro 15x70: can it go on a tripod?
SkyMaster Pro 15x70 is tripod adaptable according to Celestron, so it accepts a binocular tripod adapter.