DIY Camera Lens

How I made a camera lens from A-Z at home. This is a Petzval derived design that I tweaked to show the popular swirly bokeh. All parts except the lens mount, diaphragm blades and the helicoid are home made. Music: Guts and Bourbon by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) Source:    • Guts and Bourbon – Kevin MacLeod (No Copyr...   Artist: http://incompetech.com/