Orion 10" f/3.9 Newtonian Astrograph Reflector Telescope
by Orion
Our Price: $649.99
Availability: Usually ships in 1-2 business days
Category: Digital Camera
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Digital Photo Product Details
Manufacturer: OrionProduct features:
- This affordable 10" astrograph is ideal for capturing stunning deep-sky astro-images
- Fast f/3.9 focal ratio provides swift wide-field imaging performance
- Enhanced reflectivity aluminum coatings on primary and secondary mirror provide 94% reflectivity
- Sturdy 2" dual-speed low-profile Crayford focuser permits ultra-fine focus with 11:1 ratio
- Extended tube length of 7.5" in front of the focuser blocks peripheral light, optimizing image contrast
- Orion Dynamo Pro 12 Ah Rechargeable 12V DC Power Station
- Orion LaserMate Pro Laser Collimation Kit
- Orion AC-to-DC Power Adapter
- Tele Vue VIP-2010 Paracorr Type-2 for Visual/Imaging Use
- 11lb Counterweight for Atlas & Sirius Mounts
Description of Orion 10" f/3.9 Newtonian Astrograph Reflector Telescope
Our largest reflector optimized for astro-imaging boasts 10-inch parabolic primary optics with a very fast f/3.9 focal ratio for exceptional wide-field, deep-space imaging performance. Even faint galaxies and nebulas exhibit stunning detail with limited exposure time when photographed through this large-aperture astrograph with a CCD imager or DSLR camera. You'll get incredibly bright, crisp images that will make apo refractor aficionados green with envy - and you'll have more green in your wallet thanks to this telescope's more-affordable Newtonian design. Both the 10-inch (254mm) primary and secondary mirror feature enhanced reflectivity (94%) aluminization for bright, contrast-rich images. The 82mm minor axis secondary mirror provides excellent full-field illumination with modern CCD imagers and DSLR cameras, with less than 8% light drop-off at the edge of APS-C sized sensors. The adjustable 4-vane secondary mirror holder features very thin, 1mm thick spider vanes to minimize diffraction effects in images. A center mark on the primary mirror and three easy-grip collimation knobs make optical alignment easy and precise. Extended tube length of 7.5-inches in front of the focuser blocks intrusion of off-axis light, ensuring optimum image contrast.Reflectors
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