Gold - Close ups

Challenge #20 in the MISCELLANEOUS series. Hosted by Pierre Dumas.
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The golden object(s) must dominate the photo. This is a close up challenge! Not to forget full metadata!
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Gold test pattern on silicon wafer
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This is a small section about ( 1.5mm horizontal FoV ) of an IBM test wafer with various patterns and shapes used to verify proper operation of a chip fabrication workflow.
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Submitted: Friday, 8th October, 2021 16:47 (GMT)
Taken: Thursday, 22nd October, 2020
Focal length: 15 mm
Shutter speed: 1/40 sec
Aperture:
ISO: 100
Notes: OOC JPG with no PP. Image was shot with an Infinity Photo-Optical tube lens and Nikon 20x, 0.75 objective ( the sub $100 cheap ones from e-Bay ). The tube lens was stopped down which created the circular illumination resembling a sun rise.
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