ODK12

The ODK Series

ODK12

From: £5,070.00 excl. VAT

The ODK12 and all the range is based on a focal ratio of f6.8, fast enough for some superb deep sky photo-visual use and, still have enough focal length for high resolution planetary work both visual and CCD applications.

The tube is constructed from Carbon Fibre sandwich design. Very, very strong to avoid flexing and, zero expansion to ensure the focal plane does not change over long photographic exposures. Being an open tube design and very short, cool down times are remarkably fast.

Images from the ODK12 are spectacular, visit our image gallery and view some of them here.

Visually it offers you views of the planets which you will find incredible. The high resolution of the instrument across the whole of it’s field ensures planets at the centre or stars, right to the edge, are incredibly sharp and crisp. A result of the computer enhanced design followed by skilful hand finishing by skilled opticians.

SKU: ODK12 Categories: ,

SPECIFICATIONS

ODK10 ODK12 ODK14 ODK16
Primary mirror diameter 250mm 300mm 350mm 400mm
Focal Length 1700mm 2040mm 2380mm 2720mm
Focal Ratio f/6.8 f/6.8 f/6.8 f/6.8
Tube Weight approx. 12kg approx. 19kg approx. 26kg approx. 36kg
Tube Diameter 300mm 350mm 400mm 450mm
Tube Length 475mm 615mm 700mm 820mm
Tube Material Carbon fibre sandwich Carbon fibre sandwich Carbon fibre sandwich Carbon fibre sandwich
Secondary Size 96mm 120mm 136mm 152mm
Mirror Cell Honeycombe CNC machined alum. cell Honeycombe CNC machined alum. cell Honeycombe CNC machined alum. cell Honeycombe CNC machined alum. cell
Focuser 3″ Crayford with 10:1 reduction 3″ Crayford with 10:1 reduction 3″ Crayford with 10:1 reduction 3″ Crayford with 10:1 reduction
Corrector Design Multi coated 3 lens Multi coated 3 lens Multi coated 3 lens Multi coated 3 lens
Flat Field Size 50mm > 52mm > 52mm >52mm
Spot Size on Axis 3.5μm 1.8μm 2.1μm 2.4μm
Spot Size at Field Edge 6.2μm 5.6μm 5.6μm 6.0μm
Mirror / Tube Cooling 3 Controllable fans. Heaters optional 3 Controllable fans. Heaters optional 3 Controllable fans. Heaters optional 3 Controllable fans. Heaters optional
Attachment Method CNC machined alum. dovetail with supports CNC machined alum. dovetail with supports CNC machined alum. dovetail with supports CNC machined alum. dovetail with supports