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（Sitall/Zerodur) Cartridge Telescope

Technical specifications of cassette telescopes
1、 Optical indicators
1. Magnification: 4x;
2. Exit pupil diameter: 35mm
3. Main Lenses aperture: 180mm effective aperture;
4. Pupil exit position: 175mm behind the rear end face of the structure;
5. Incident full field of view: 7.5 mrad;
6. Total length: ≤ 130mm (front and rear end faces of the structure);
7. Aluminum alloy lenses:
Surface accuracy RMS ＜ λ/ 15@633nm ；
Reflectivity>95% @ 7-14um (gold plated);
Installation accuracy: wavefront error RMS ＜ λ/ 8@633nm ；
8. Weight ≤ 2kg;
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Detail

Technical specifications of cassette telescopes

1、 Optical indicators

1. Magnification: 4x;

2. Exit pupil diameter: 35mm

3. Main Lenses aperture: 180mm effective aperture;

4. Pupil exit position: 175mm behind the rear end face of the structure;

5. Incident full field of view: 7.5 mrad;

6. Total length: ≤ 130mm (front and rear end faces of the structure);

7. Aluminum alloy lenses:

Surface accuracy RMS ＜ λ/ 15@633nm ；

Reflectivity>95% @ 7-14um (gold plated);

Installation accuracy: wavefront error RMS ＜ λ/ 8@633nm ；

8. Weight ≤ 2kg;