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SkyWatcher REFRACTOR NEWTON BK 250/1000 OTA - Binostore.com

$ 706.00
$ 671.00
Optical Design Reflector (Newtonian)
Diameter 250 mm
Focal Focal length is the distance over which rays are brought to a focus (lens); it determines important effects in astronomical observation. 1000
Weight 11000 gr

Further Details

The Sky-Watcher Newton Black Diamond Wide Photo 250/1000 is a newton optical design with parabolic mirror

It is designed with extreme care with special attention to the correction of optical, in relation at its ratio focal (f/4). You can use a coma corrector between the focuser and the camera for capturing optimal pin-sharp images right out to the edge of the field of view for astrophotography. Stainless steel support rail provide you with an extremely accurate and stable focuser and the high precision mechanical guarantee a fast and precise collimation

Dual-speed focuser with 50.8 / 31.8 mm eye cups. The optical is supplied with a pair of rings with 45mm dovetail slide (EQ5 type)

Optical tube:     Newton
Diameter:     250 mm
Focal::     1000 mm
Ratio focal:     f/4
Focuser    Dual Speed with eye cups 50.8 / 31.8 mm

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