Optical design & Instrumentation

Ivan Syniavskiy

Wide-angle lens

The main purpose of the lens is registration point sources emitting in the UV spectrum.

The main feature is the presence of part with a quasi-parallel rays path, where the interference filter is set.

Model in the cross section
General view

Parameters:

  • EFFL
    9.5 mm
  • FOW
    120 град.
  • Aperture ratio
    1:1,6
  • Spectral range
    200 - 260 nm
  • MTF around the FOV
    0.3. for freq. 3 line/mm
  • Relative illumination
    15%
Optical layout
Modulate transpher function