Comparison telescopes
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Add to comparison | ![]() | ![]() | ![]() | ![]() | ![]() |
|---|---|---|---|---|---|
| Celestron AstroMaster 70AZ | National Geographic Junior 70/400 AR | Skywatcher Mercury 707 | Celestron StarSense Explorer DX 130 AZ | Celestron StarSense Explorer LT 114 AZ | |
| Compare prices 6 | Compare prices 2 | Compare prices 4 | Compare prices 4 | Compare prices 3 | |
| TOP sellers | |||||
| Design | lens (refractors) | lens (refractors) | lens (refractors) | mirror (reflectors) | mirror (reflectors) |
| Mount type | altazimuth | altazimuth | azimuth (AZ2) | altazimuth | altazimuth |
Specs | |||||
| Lens diameter | 70 mm | 70 mm | 70 mm | 130 mm | 144 mm |
| Focal length | 900 mm | 400 mm | 700 mm | 650 mm | 1000 mm |
| Max. useful magnification | 165 x | 140 x | 140 x | 260 x | 269 x |
| Max. resolution magnification | 100 x | 300 x | 105 x | 195 x | |
| Min. magnification | 10 x | 20 x | 10 x | 19 x | 16 x |
| Aperture | 1/13 | 1/5.7 | 1/11.7 | 1/5 | |
| Penetrating power | 11.7 зв.вел | 11.7 зв.вел | 13.1 зв.вел | 12.8 зв.вел | |
| Resolution (Dawes) | 1.66 arc.sec | 1.63 arc.sec | 1.07 arc.sec | 1.02 arc.sec | |
| Resolution (Rayleigh) | 1.99 arc.sec | 2 arc.sec | 0.89 arc.sec | 1.22 arc.sec | |
More features | |||||
| Finder | red dot | optic | red dot | red dot | |
| Focuser | rack | rack | rack | rack | rack |
| Eyepieces | 20 mm, 8 mm, 4 mm | 25 mm, 10 mm | 25 mm, 10 mm | 25 mm, 10 mm | |
| Eyepiece bore diameter | 1.25 " | 1.25 " | 1.25 " | 1.25 " | |
| Lens Barlow | 3 х | 2 х | 2 х | ||
| Enlightenment coating | |||||
| Mirror | spherical | ||||
| Diagonal mirror | |||||
| Smartphone adapter | |||||
General | |||||
| Tube mount | fixing screws | fixing screws | fixing screws | ||
| Tube length | 91 cm | 70 cm | 64 cm | 61 cm | |
| Tripod height | 125 cm | 132 cm | |||
| Total weight | 1.24 kg | 8 kg | 8.16 kg | 4.71 kg | |
| Added to E-Catalog | march 2015 | august 2023 | march 2015 | january 2022 | july 2023 |
Compare Celestron AstroMaster 70AZ and National Geographic Junior 70/400 AR, Skywatcher Mercury 707, Celestron StarSense Explorer DX 130 AZ, Celestron StarSense Explorer LT 114 AZ
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