Haha I bet that’s actually possible, maybe one day I’ll try it. That is actually the cross-section of a 2000+ year old fallen redwood 😮 - they display it at the trailhead
@chriscard6544
25 күн бұрын
@@silverandplatinum awesome
@inyomanpasma331
25 күн бұрын
how to measure the diameter of a pinhole so you can determine the f/number
@silverandplatinum
24 күн бұрын
My camera lists the f-stop on the manufacturer website. You can also use www.mrpinhole.com/calcpinh.php
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