Think lenses are expensive? Watch how meticulous the process is as this inventor crafts his own Pretzeval, basically from scratch. He even cuts and shapes the glass himself and turns a big piece of metal into the barrel.
The post Watch hunks of metal and glass become a camera lens in incredible DIY video appeared first on Digital Trends.
from
http://www.digitaltrends.com/photography/wernersson-diy-lens/
from
http://ifeeltechinc.blogspot.com/2017/04/watch-hunks-of-metal-and-glass-become.html
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