Product Description
The Riccard Dall-Kirkham 500 Astrograph is a state of the art optical tube designed by Massimo Riccardi, the Chief Optical Designer at Officina Stellare who has created a 500mm astrograph resulting in fantastic astro-imaging performance and quality. The 70mm fully corrected flat field in conjunction with a 380nm - 2000nm diffraction limited range is exactly what the professional astrophotographer will need!
The Riccardi Dall-Kirkham astrographs are manufacturerd in Taly and the optics are made in the Occhiobello Plant. Telescope mechanics were designed by Giovanni Dal Lago which are manufactured at the Thiene plant.
The OS RiDK 500 is the ultimate astro-imaging telescope for anyone who desires the best equipment when it comes to the imaging of deep sky wonders. It is a beautiful, compact and perfectly manufactured optical instrument, and the long back focus allows the mounting of rotators, cameras, filter wheels, and other imaging accessories.
- Low expansion borosilicate glass (Near Zero expansion ceramic glass available as optional upgrade)
- Standard Aluminum-Carbon Optical Tube Assembly
- TC-01 Electronic motor
- Bottom 7" Dovetail Losmandy Plate
- Losmandy plate for ancillary equipment
- 72mm manual OS FineFocuser
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Specifications
Name | Officina Stellare - RiDK 500 f/7 Standard Glass Aluminum-Carbon Optical Tube |
---|---|
Manufacturer | Officina Stellare |
Model | OFF-RIDK500SGA |
Aperture | 500 mm |
Backfocus Distance | 240mm |
Diameter of Primary Mirror | 500 mm (20") |
Diffraction Limited | 380 - 2000 nm |
Dimensions LxHxW | 660 x 570 x 1270 mm |
Focal Length | 3500 mm (137") |
Focal Ratio | F/7 |
Full Corrected Illuminated Field | 80 mm |
Linear Obstruction | 48% |
Optical Tube | Riccardi Dall-Kirkham |