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High-aperture mirror-lens wide angle telescope

High-aperture mirror-lens wide angle telescope

Postby IK_Celik » Sun Nov 20, 2016 10:52 pm

Will make this telescope for you. Changes can be discussed and made if you desire. Here is some info of the telescope:
Entrance pupil diameter – 225 mm
Effective focal length – 340mm
Working focal ratio - 1:1,5
Angular field of view - 9 degrees
Linear diameter of the field of view - 53 mm
Primary spectral waveband - 450-850 nm
Central shielding – 46 %
Relative illumination:
Optical axis – 1
Edge of field – 0,82
Maximum distortion of the image – 0,23 %
Strehl’s ratio:
Optical axis – 0,95
Edge of field – 0,21
Back focal length (last lens surface – detector) - 45 mm.

Plans and additional info are available. Let me know if you are interested.
IK_Celik
 
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