RTT150, main page
RTT150
Russian-Turkish 1.5-m Telescope
 
High energy Astrophysics department of IKI, Moscow
International astrophysical observatory Spectrum-X-Gamma
International astrophysical space observatory INTEGRAL

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HEAD IKI

1:7.7 optical scheme without corrector

At the moment this is the main optical scheme. The primary mirror 1 reflects light to the secondary mirror 2 which collects it on the focal surface of system with the linear field of 90 mm diameter.

Focal length, mm
11611
Linear field of view, mm
90
Angular field of view
0o26'40"
Central screening area, %
25.8
Concentration of light energy at 632.8 nm wavelength
on the optical axis within the circles of diameter:
0.017 μμ, %, at least
65
0.029 μμ, %, at least
81