iOptron Photron 8'' Ritchey-Chrétien Telescope
 iOptron Photron 8'' Ritchey-Chrétien TelescopeiOptron Photron 8'' Ritchey-Chrétien Telescope 

iOptron Photron 8" Ritchey-Chrétien Telescope

£899.00✓ 2 year warranty


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About this product

Model:  iop_rc8_6112
Part Number:  6112

Incredible value 8" f/8 iOptron Photron Ritchey-Chrétien

An excellent choice for imaging smaller galaxy and nebulae targets. 

The iOptron® Photron™ Ritchey-Cretien design telescopes, feature low thermal expansion quartz primary and secondary mirrors with ninety-nine percent reflective dietetic coatings. The RC optical design delivers coma, spherical and chromatic aberration free results, perfect for colour or monochrome imaging. A fixed position primary mirror eliminates image shift that occurs from focusing with other telescope designs. The iOptron RC8 comes with a 2" dual-speed linear-bearing Crayford focuser. Three focuser extension rings are provided for a “flex-free” solid extension as a means to take up any unneeded back focus. Its steel tube is equipped with 10 knife edge baffles to diminish contrast reducing stray light, improving the instrument in both visual and imaging uses. A RC8 model comes with top and bottom dovetail plates adding rigidity to the tube while providing attachment points for the mount and other accessories to be used.


  • Coma free, chromatic aberration-free, spherical aberration-free optics
  • 200mm (8") optical aperture
  • 1624mm focal length
  • f/8 focal ratio
  • Fixed primary
  • Low thermal expansion quartz mirrors
  • Multiple Knife-Edge Baffle System
  • 2" dual-speed Crayford Focuser
  • Finder scope base and two dovetails bars
  • Optional finder scope, diagonal and 1.25" eyepiece
  • Optional iOptron Electric Focuser (#8451)


The telescope is supplied with 2x 25mm and 1x 50mm CNC-machined focuser extension rings with matt-black interiors. 

Telescope Field of View Simulator

What's in the box

  • OTA w/2" dual speed Crayford focuser
  • 2x 25mm Focuser Extensions
  • 1x 50mm Focuser Extension
  • 2" to 1.25" Adapter
  • Vixen dovetail bar


Optical Design Ritchey-Chretien
Clear Aperture 200mm
Focal Length 1624mm
Focal Ratio f/8
Resolving Power 0.58 arc seconds
Limiting Magnitude 14.2
Highest Useful Magnification 236X
Secondary Mirror Size 95mm
Focuser 10:1 Crayford dual-speed
Focuser size 2”
Dovetail Bar Losmandy-style
Mounting Bar (Top) Vixen-style
Finderscope Base Yes
Finder scope Optional
Tube material Steel
Tube Length 55.9cm / 22.0”
Tube Weight 8.2kg / 18 lbs
Other Accessories 2” to 1.25” compression ring adapter;
1" long extension tube X2
2" long extension tube X1
Gross Weight 11.3kg / 25 lbs
Warranty Two year limited

Downloads / Manuals


Photron RC telescope operation manual
Electric focuser installation and operation manual

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