Sky-Watcher Quattro 250P Imaging Newtonian Telescope
R31,049
The Sky-Watcher Quattro 250P Imaging Newtonian Telescope is an affordable, large aperture astrograph, ideal for users searching for a fast imaging system that will work for both astrophotography and visual astronomy.
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Sky-Watcher Quattro 250P Imaging Newtonian Telescope
The Sky-Watcher Quattro 250P Imaging Newtonian Telescope is an affordable, large aperture astrograph, ideal for users searching for a fast imaging system that will work for both astrophotography and visual astronomy.
Boasting a swift f/4 focal ratio, this astrograph is can produce an exposure 6x faster than the average 8-inch f/10 Schmidt Cassegrain telescope. Although designed as an imaging optical tube, these Newtonians also produce bright and detailed viewing for visual astronomy.
Like all Sky-Watcher reflectors, the Quattro imaging Newtonian features borosilicate mirrors coated with Sky-Watcher’s proprietary Radiant™ Aluminum Quartz (RAQ™), producing 94% reflectivity.
The tube is constructed with rolled steel, then coated with Sky-Watcher’s signature glossy metal-flake Black Diamond finish. The OTA uses an oversized secondary mirror providing greater illumination for DSLRs and CCDs using full-frame sensors, and an optional coma corrector is available for those who want to take their imaging to the next level.
Included with the Quattro imaging Newtonian is a 10:1 dual-speed 2-inch Crayford-style focuser, 1.25 and 2-inch eyepiece adapters, a 9×50 finderscope, tube rings, and a V-style dovetail plate.
FEATURES
- 254mm aperture, 1000mm focal length
- Fast f/4 focal ratio
- Parabolic mirror designed for imaging with 94% reflectivity
- 10:1, dual-speed, 2-inch Crayford-style focuser
- Oversized secondary mirror produces greater illumination for full-frame DSLR and CCD cameras
- Tube rings, mounting plate, eyepiece adapters, and 9×50 finderscope included
SPECIFICATIONS
- Dawes Limit: 0.46
- Rayleigh Limit: 0.55
- Limiting Mag.: 14.5
- Minimum Magnification: 36
- Maximum Magnification: 500
- Light Gathering (compared to next size down): 57%
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