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New Model - GSO Ritchey-Chretien 6” OTA

  • 39599
  • Save $ 103

GSO is few of the professional manufactures for Ritchey-Chretien telescope. They manufacture mirrors, parts and astronomical telescopes more than 18 years.  They ODM and ODM for Meade, Orion and others brands on current market.  New model is little different from appearance, it provides one more Vixen type dovetail mount on its tube.  

We provide the telescope and whole maintenance service directly from GSO. Unlike other sales, we could provide our customers to replace any part, even if the expensive mirror with very low cost to make sure your telescope in long life usage.


Primary mirror diameter: 152 mm

Focal length: 1370mm

Focal ratio: f/9

Focuser: 2''dual-speed Crayford

Tube-mount assembly system: dovetail plate

Optical tube material: Metal

Our Warranties and Disclaimers: Exchangeable for mechanical and Optical flaws in manufacturing.

Total weight is 18 lbs in 1 box with Free Shipping


Ritchey-Chretien telescope is a powerful in astrograph for flat, sharp and large of imaging field.  Generally, Ritchey-Chretien telescope can cover more than 8cm of imaging field and be the popular telescope in most professional observatories.

RC6 is a very compact and light weight telescope.  Primary and secondary Mirror has a 99% dielectric high-reflectivity coating with BK7 - surface quality 1/12 Lambda or better.  Actually, 6” telescope is designed for the astrograph purpose; however, its convenient operation could be applied for both entry level astronomy and birds watching etc.  The optical performance of RC6 can exceed most bird watching scope and easily be installed in inexpensive camera tripod.  RC is a pretty good choice for your natural science hobby.

We provide many accessories for Ritchey-Chretien telescope, such as 0.65x focal reducer and imaging flatter which may be used for visual observations and photography of deep-sky.

You can find many brands of Ritchey-Chretien telescope with the same features and appearance. They are all made from GSO. Our technical and maintenance support are directly from original manufacture.  We wish you purchase the high quality telescope and professional service as well.  Our maintenance office was located in Sugar Land, TX.