CHF 889
In stock with supplier
Visit Sky-Watcher Quattro 250P Imaging Newtonian is a 10-inch (254 mm) Newtonian telescope designed for the’fast, high-performance astrophotography. With its f/4 focal ratio and its oversized secondary mirror, it guarantees ideal coverage of modern full-format DSLR sensors and CCD cameras. It's a powerful, affordable solution for deep-sky photographers.
Thanks to its 1000 mm focal length With its 254 mm aperture, the Quattro 250P allows short exposures while capturing maximum light. Its borosilicate parabolic mirror is covered with the exclusive Radiant™ Aluminum Quartz™ (RAQ™), offering a reflectivity of 94% for exceptional light output.
The tube is made of rolled steel and coated with a Black Diamond« metallic finish», This is an elegant yet robust design. The whole is completed by a focuser Crayford 2″ double speed (10:1), precise and fluid, ideal for fine-tuning photography.
| Lens type | Newtonian parabolic reflector |
| Opening | 254 mm |
| Focal length | 1000 mm |
| Focus report | f/4 |
| Glass type | Borosilicate |
| Mirror coating | Radiant™ Aluminum Quartz™ (RAQ™) - 94% Reflectivity |
| Secondary diameter | 89 mm (obstruction 35%) |
| Surface obstruction | 12% |
| Separating power (Dawes) | 0,46″ |
| Rayleigh limit | 0,55″ |
| Magnitude limit | 14,5 |
| Min./max. useful magnification. | 36× / 500× |
| Light gain vs. 200 mm | +57% |
| Focuser | Crayford 2″ double speed (10:1) |
| Researcher | 9×50 optical |
| Adapters | 1.25″ and 2″ |
| Eyepieces included | None (designed for photography) |
| Coma corrector | Not included (optional) |
| Rings and mounting bar | Vixen rings and dovetail included |
| Tube length | 92.7 cm (36.5″) |
| Tube outer diameter | 289 mm (11,375″) |
| Weight with accessories | 16.5 kg |
Visit Sky-Watcher Quattro 250P Imaging Newtonian combines power, speed and affordability. It's a strategic choice for enthusiasts wishing to move into advanced imaging with a large-diameter instrument, without compromising on optical quality. It is also ideally suited to wide-field, high-resolution visual use.
Order now your Quattro 250P in our specialist store - including fast delivery, technical support and personal assistance.
