Astro-Tech 14" f/8 Carbon Fiber Truss Ritchey–Chrétien

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Large aperture truss-tube Ritchey-Chrétien telescopes used to be priced in the five-figure range. No more! Sky & Telescope once commented that “Ritchey-Chrétien reflectors are highly regarded among today's elite astrophotographers, and premium instruments often carry price tags starting at about $1,000 per inch of aperture. So it's the best kind of "sticker shock" to see the prices for Astro-Tech's Ritchey-Chrétiens.” The AT14RCT price? Surprisingly affordable at less than 40% of that $1000 per inch of aperture figure.
This Astro-Tech AT14RCT Ritchey-Chrétien astrograph has:
  • 14” f/8 true Ritchey-Chrétien hyperbolic mirror optical design
  • carbon fiber Serrurier truss tube design with CNC-machined stainless steel and aluminum components
  • low thermal expansion quartz primary and secondary mirrors 
  • 99% reflectivity non-tarnishing multi-layer dielectric mirror coatings 
  • center spotted secondary mirror 
  • three built-in cooling fans in rear cell 
  • 3" dual-speed Crayford focuser with 1.25" adapter 
  • two-year warranty  

    The Astro-Tech AT14RCT makes the coma-free imaging of true Ritchey-Chrétien imaging optics available to the DSLR and large format CCD astrophotographer at a price less than that of many large format CCD cameras by themselves and even less than some DSLR camera bodies. Featuring first-quality 99% reflectivity dielectric mirror coatings and premium low thermal expansion quartz mirrors, rather than aluminized Pyrex glass mirrors, this reasonably-priced 14” Astro-Tech truss-tube R-C makes you wonder just what competitive high-price R-Cs have that makes them cost so much more.

    The Astro-Tech AT14RCT provides the coma-free photographic field that large format CCD and DSLR astrophotographers crave, but can’t get from conventional reflectors and Schmidt-Cassegrains. Likewise, as a pure two-mirror system, the AT14RCT has a wide spectral response and is totally free from the spurious color that affects the imaging of all but the most costly apochromatic refractors, and it does it with an 14” aperture that dwarfs the light gathering of virtually every commercially-available apo refractor.

    If serious astrophotography is your goal, but the price of true Ritchey-Chrétien optics has been keeping you from the optical design most modern professional observatories use for their imaging, your wait is over. The 14” Astro-Tech AT14RCT truss-tube R-C can bring the world of professional DSLR/CCD deep space imaging to your backyard observatory at a truly affordable price.
Focal Ratio:
This is the ‘speed’ of a telescope’s optics, found by dividing the focal length by the aperture. The smaller the f/number, the lower the magnification, the wider the field, and the brighter the image with any given eyepiece or camera.

Fast f/4 to f/5 focal ratios are generally best for lower power wide field observing and deep space photography. Slow f/11 to f/15 focal ratios are usually better suited to higher power lunar, planetary, and binary star observing and high power photography. Medium f/6 to f/10 focal ratios work well with either.

An f/5 system can photograph a nebula or other faint extended deep space object in one-fourth the time of an f/10 system, but the image will be only one-half as large. Point sources, such as stars, are recorded based on the aperture, however, rather than the focal ratio – so that the larger the aperture, the fainter the star you can see or photograph, no matter what the focal ratio.

f/8
Telescope Type:
The optical design of a telescope.  Telescope type is classified by three primary optical designs (refractor, reflector, or catadioptric), by sub-designs of these types, or by the task they perform.
Ritchey-Chrétien
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Astro-Tech 14" f/8 Carbon Fiber Truss Ritchey–Chrétien

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Astro-Tech 14" f/8 Carbon Fiber Truss Ritchey–Chrétien
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Our Product #: AT14RCT
Manufacturer Product #: AT14RCT
Price: $5,795.00  FREE ground shipping - Click for more info
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The Astro-Tech AT14RCT carbon fiber Serrurier truss Ritchey-Chrétien makes high quality large-aperture/large format DSLR and CCD imaging affordable for the dedicated amateur astrophotographer and educational institution.





. . . our 36th year