Celestron SkyMaster 15x70 specs and field of view
The SkyMaster 15x70 reaches a twilight factor of 32.4, calculated from the size, with a narrow 231 ft view.
- Field of view
- 231 ftat 1,000 yd
- Eye relief
- 18 mm
- Close focus
- 43 ft
- Weight
- 48 oz
- Exit pupil
- 4.7 mmcalculated
Why pick it
- Lightest of the 3: 48 oz
- Longest eye relief of the 3: 18 mm
- Takes a tripod adapter
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Who the SkyMaster 15x70 suits
With 18 mm of eye relief, eyeglass wearers see the full view. Its calculated exit pupil of 4.7 mm and tripod adaptability point toward star fields and the moon from a fixed mount.
A 48 oz weight and 43 ft close focus rule out handheld walks and nearby subjects, and the body is water resistant only.
SkyMaster 15x70 is one choice among many, and the top binoculars compared covers the most popular ones. Celestron lists it in the $100 to $200 price band, alongside the models in best binoculars under $200.
SkyMaster 15x70 specifications
SkyMaster 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 | 18 mm |
| Close focus | 43 ft (13 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 48 oz (1,361 g) |
| Waterproofing | Water Resistant |
| Tripod adaptable | Yes |
| Maker list price | $100 to $200 |
| Exit pupil | 4.7 mm * |
| Twilight factor | 32.4 * |
| Relative brightness | 21.8 * |
* Calculated from the size, not printed by the maker.
SkyMaster 15x70 against other 15x70 binoculars
SkyMaster 15x70 shows 231 ft at 1,000 yd, at or above the 231 ft median of the 3 15x70 models in the chart. At 48 oz it is at or under the 51 oz median weight for the size.
SkyMaster 15x70 and its nearest rivals
SkyMaster 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 15x70 | 231 ft | 18 mm | 43 ft | 48 oz | 4.7 mm | $100 to $200 | Check price on 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 |
Other sizes of the SkyMaster
Celestron makes the SkyMaster in 5 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 15x70 | 15x70 | 231 ft | 18 mm | 43 ft | 48 oz | 4.7 mm | Check price on Amazon |
| Celestron SkyMaster 12x60 | 12x60 | 278 ft | 17 mm | 59 ft | 39.2 oz | 5 mm | Check price on Amazon |
| Celestron SkyMaster 25x70 | 25x70 | 141 ft | 13 mm | 75 ft | 52 oz | 2.8 mm | Check price on Amazon |
| Celestron SkyMaster 20x80 | 20x80 | 195 ft | 18 mm | 108 ft | 75 oz | 4 mm | Check price on Amazon |
| Celestron SkyMaster 25x100 | 25x100 | 156 ft | 15 mm | 80 ft | 140 oz | 4 mm | Check price on Amazon |
Lists that include the SkyMaster 15x70
Celestron binoculars
SkyMaster 15x70 questions
SkyMaster 15x70: does it work with glasses?
SkyMaster 15x70 has 18 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
SkyMaster 15x70: what does 15x70 mean?
SkyMaster 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 15x70: can it go on a tripod?
SkyMaster 15x70 is tripod adaptable according to Celestron, so it accepts a binocular tripod adapter.