Celestron SkyMaster Pro ED 15x70 specs and field of view
ED glass on 70 mm lenses gives the SkyMaster Pro ED 15x70 a 4.7 mm exit pupil and a 32.4 twilight factor at 15 power, in a 73.7 oz body.
- Field of view
- 230 ftat 1,000 yd
- Eye relief
- 15.7 mm
- Close focus
- 42.7 ft
- Weight
- 73.7 oz
- Exit pupil
- 4.7 mmcalculated
Why pick it
- Waterproof
- ED glass
- Takes a tripod adapter
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Who the SkyMaster Pro ED 15x70 suits
Star fields and the Moon suit the 70 mm lenses, and the IPX7 waterproofing and nitrogen fill suit use outdoors. Relief of 15.7 mm is adequate, and a tripod is the natural mount.
The 73.7 oz weight needs a tripod, the field is 230 ft, and the close focus is 42.7 ft.
SkyMaster Pro ED 15x70 or another model: the best binoculars by maker figures shows how the popular ones differ. Celestron lists it in the $200 to $500 price band, alongside the models in best binoculars under $500.
SkyMaster Pro ED 15x70 specifications
SkyMaster Pro ED 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 | 230 ft at 1,000 yd (77 m at 1,000 m) |
| Angular field of view | 4.4° |
| Apparent field of view | 66° * |
| Eye relief | 15.7 mm |
| Close focus | 42.7 ft (13 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 73.7 oz (2,089 g) |
| Extra-low dispersion glass | Yes |
| Waterproofing | Waterproof (IPX7) |
| 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 ED 15x70 against other 15x70 binoculars
SkyMaster Pro ED 15x70 shows 230 ft at 1,000 yd, below the 231 ft median of the 3 15x70 models in the chart. At 73.7 oz it is heavier than the 51 oz median for the size.
SkyMaster Pro ED 15x70 and its nearest rivals
SkyMaster Pro ED 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 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 Pro 15x70 | 231 ft | 17 mm | 49.2 ft | 51 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 ED
Celestron makes the SkyMaster Pro ED in 3 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 ED 15x70 | 15x70 | 230 ft | 15.7 mm | 42.7 ft | 73.7 oz | 4.7 mm | Check price on Amazon |
| Celestron SkyMaster Pro ED 7x50 | 7x50 | 409 ft | 20.8 mm | 26.2 ft | 44.3 oz | 7.1 mm | Check price on Amazon |
| Celestron SkyMaster Pro ED 20x80 | 20x80 | 178 ft | 15.4 mm | 98.4 ft | 123.2 oz | 4 mm | Check price on Amazon |
Celestron binoculars
SkyMaster Pro ED 15x70 questions
SkyMaster Pro ED 15x70: does it work with glasses?
SkyMaster Pro ED 15x70 has 15.7 mm of eye relief, under the 16 mm the RSPB advises for people who wear glasses, so the edge of the view may be cut off with glasses on.
SkyMaster Pro ED 15x70: what does 15x70 mean?
SkyMaster Pro ED 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 ED 15x70: can it go on a tripod?
SkyMaster Pro ED 15x70 is tripod adaptable according to Celestron, so it accepts a binocular tripod adapter.