Primary mirror diameter - 320 mm
Primary mirror thickness - 35 ± 2 mm
Focal ratio - F/4.5
Focal length - 1450 ± 10 mm
The size of a small axis of an elliptic diagonal mirror - 80 mm
Secondary diagonal mirror thickness - 11 mm
Mirrors material - LK-7 (low expansion optical glass)
Optical accuracy - 1/4 wave peak-to-valley of wave front or better and 1/25 wave RMS or better, Strehl Ratio is 0.95 or is higher.
The interferometer test report is supplied with each optical set.
Coating of surfaces - Al + SiO2 (Quartz) overcoat
Three point mirror cell
- Cells material - An aluminium alloy
ALTERNATIVE PRODUCTS
