Thursday, October 25, 2012

Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope

Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope

Shock Sale Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope very cheapYou looking to find the "Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope" Good news! You can purchase Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope with secure price and compare to view update price on this product. And deals on this product is available only for limited time.

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Price: $649.99    Updated Price for Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope now
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Product Feature

  • 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

Product Description

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 apochromatic 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.

Orion 8296 10-Inch f/3.9 Newtonian Astrograph Reflector Telescope Review

I have been using this telescope for about 9 months and can recommend it. The 10" mirror collects a lot of light making camera exposure times lower, and results brighter. I use it with a canon eos d1 and have good results. The focuses is precise, but needed some adjustments to optimize movement. It is slightly heavy, so be strong or beware. With a good auto tracking mount, it produces impressive results. I got great results on m51 with 3 exposures of 30 seconds, stacked and photoshop optimized. Value is unparalleled for astrophotos. Enjoy!

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