LIGO Document T1300673-v1

Mobility Mock-up at CIT of T1300456 Wafer

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T - Technical notes
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Pictures of the T1300456 wafer were taken to see how a DSLR would perform this task.
The camera was 48" above the wafer. The 600 lumen LED light source was 58" away at a 13 angle.
Exposure compensation was used to decrease and increase the exposure time. The - and + postscripts on the file names are in full stops of exposure compensation.
Both a Nikon 18-300 (~\$900) and a Nikon 70-300 (~\$140) lenses were used in the test to see any differences.
Both JPG and NEF (Nikon's raw format) are included.
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