The 40cm Ritchey-Chrétien telescope is located at Piszkéstető Mountain Station with a primary mirror of 40cm and has an effective focal ratio of f/6. The telescope was manufactured by Gemini Telescope Design. Currently the telescope is under developement and not working. 
Parameters
Optical parameters
| Primary mirror diameter | 400 mm | 
| Primary mirror focus | 1405 ± 30 mm | 
| Secondary mirror diameter | 160 mm | 
| Secondary mirror focus | -977 ± 22 mm | 
| Separation | 907 ± 5 mm | 
| Focal length of the system | 2460 mm (2840 mm without the focus reductor) | 
| Field of view | 25.1 x 18.9 arcmin | 
| Pixel scale | 0.453 arcsec/pixel | 
Detector
FLI ML8300
| Camera Chip Model | Kodak KAF 8300 chip | 
| CCD type | Front illuminated | 
| Maximum Cooling | 60°C Below Ambient | 
| Full well capacity | 25500 e | 
| chip size | 17,96 x 13,52 mm | 
| chip size | 3326 x 2504 pixel | 
| pixel size | 5.4 μm | 
See also: Cassegrain Optics
| | V · D · E | 
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 |  |  | The 1m RCC |  | 
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 |  |  | RCC subsystems |  | 
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