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AOS (Beam Reducing Telescopes)
kazuya.yokogawa - 1:32 Saturday 31 March 2018 (4606) Print this report
Comment to Installation of the GPT for green (4589)

I forgot to report on the beam shape.

This is the shape of the passed through the GPT lens.

The beam was elliptical.

In addition, the beam shape occasionally spread to the lower right during the measurement.

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