562мм f/2.5 и камера в прямом фокусе.
D= 562 mm F/2.5 with 3 element ED Wynne Corrector, optimized for 380-900nm , corrected FOV 2.5 x 2.5 degree
- 115 mm backfocus from the last lens to the
- All corrector lenses with multi-coating for the Visual ?Near IR range.(380-900 nm)
- Moto-Focus on corrector cell
- Motorized Mirror covers
- Truss Tube design with carbon fibre rods,
- mounting plate to customers specs
- collimation of primary mirror and corrector cell
- Collimation tools
- metal parts from aluminum , powder-coated
- all needet cables, screws and tools
- 2 years guarantee time
- adapter Set for customers CCD set up
- mirror made from Astro-Sital by famous LOMO
- Scale in the focal plane 6.84 um/arcsec 2.2
- Angular field of view 3.5 degree
- Field curvature Flat
- Linear size of the field1 86.9 mm
- Linear obscuration, across the whole field 0.407
- Fraction of unvignetted light, across the whole field 0.834
- Back focal length (last lens surface to detector) 105 mm
- Maximum distortion 0.83 %
Труба стоит 99,000 USD