TEC 300 VT-7deg Wide-field Houghton-Terebizh Telescope
This telescope was designed by Dr. V.Yu.Terebizh (Moscow University)to have a very wide angular field of view, 7 degrees, with an aperture of 300 mm in diameter. The optics of the telescope consists of five lenses and two mirrors. It is remarkably fast, f/1.44, which matches the field of view to a 52-mm detector, and the focal surface is flat.
Optical Design Houghton-Terebizh Clear Aperture 300 mm Focal length 425 Focal ratio 1.44 Image Schale 2.06 ?m/arcsec Linear diameter of the field 52.1 mm Angular field of view 7°.0 Weight 41 kg Full length 1030 mm
A detailed descriptiion, further technichal specifications and an explanation of the spot diagram are available here.
|Clear Aperture||300 mm|
|Focal Length||425 mm|
|Optical tube length||40" (1030 mm)|
|Image Scale||2.06 μm/arcsec|
|Photographic Resolution||0.45 arc sec|
|Angular Field of View||7 °|
|Linear Field of View (1000 m)||52.1 mm|
|Optical Tube Weight Copy||90lb (41 kg)|