Sky at Night Magazine

[IK_Celik]

Will custom build the telescope to fit your required needs.
Some description of the telescope:
Entrance pupil diameter – 215 mm
Effective focal length – 365 mm
Working focal ratio – 1:1,7
Angular field of view - 5 degrees
Linear diameter of a field of view – 32 mm
Primary spectral waveband - 450 - 850 nm
Central shielding – 16%
Relative illumination:
Optical axis – 1
Edge of field – 0,98
Maximum distortion of the image – 0,27%
Shtrel's ratio:
Optical axis – 0,93
Edge of field– 0,26
Back focal length (last lens surface – detector) – 51,8 mm

The plans are available. Let me know if you are interested will send some more info.