| TORTORA
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Main Objective
| Diameter | 120 mm mirror
| Focal length | 150mm
| Focal ratio | 1/1.2
| Image intensifier
| Photocathode | S20
| Diameter | 90 mm
| Gain | 150
| Scaling factor | 5.5
| Quantum efficiency | 10%
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Field of view | 24ˆx32ˆ
| Time resolution | 0.13"
| CCD Matrix
| Model | VS-CTT285-2001
| Frame size | 1388 x 1036
| Pixel scale | 81"/pix
| Exposure | 0.13 sec
| Pixel size | 6.5 μm
| Read-out noise | 6 e/pix
| Star FWHM | 2.7'
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