File:DLP O2-calibration air and zero.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:00, 30 January 2020		1,517 × 870 (341 KB)	Gnaiger Erich (talk \| contribs)
	11:03, 30 January 2020		1,516 × 808 (331 KB)	Gnaiger Erich (talk \| contribs)

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Horizontal resolution	59.05 dpc
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