Uploaded March 2020 | Updated September 2026, 2 weeks ago

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I use an antique 4x5 view camera to create high resolution photomasks in my home shop.

Source of film and developing chemicals: https://www.freestylephoto.biz/531345-Arista-Ortho-Litho-Film-3.0-3.9x4.9-50-Sheets-For-4x5-Film-Holders
Possible source of poster-sized printouts: blueprintsprinting.com/pricing
Gold on microscope slide: https://sci-hub.tw/10.1109/MEMSYS.2013.6474404
Commerical microelectrode arrays: multichannelsystems.com/products/microelectrode-arrays
Vacuum film holder: web.archive.org/web/20111016132122/http://cloudynights.com/documents/large.pdf
Test patterns: bealecorner.org/red/test-patterns
Thought emporium: youtube.com/user/TheChemlife
Huygens Optics: youtube.com/user/huygensoptics
Sam Zeloof: youtube.com/user/szeloof

Support Applied Science on Patreon: patreon.com/AppliedScience