Ritchey-Chrétien 300mm F/8

Characteristics:

Clear aperture – 300 mm;
Focal length – 2400 mm;
Primary substrate – Supremax33; Zerodur (special order);
Secondary substrate – Quartz;
Primary mirror cage – Carbon Fiber;
Truss tubes – Carbon Fiber;

Dimensions:

830 (L) x 400 (l) x 400 (h) mm (might differ slightly, depending on extra items chosen);
Weight – 18 kg;
Back-focus from end of back plate ~ 230 mm;
Connection thread: M117x1 (male).

Prices and configurations will be announced soon!

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