May 10, 2012 AT 12:29 pm

How Photographic Filters Are Made

A friend of mine sent me this 2010 video tour of the Lee Filter factory. Pretty amazing how much manual labor goes into making these things.

Check out all the Circuit Playground Episodes! Our new kid’s show and subscribe!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground”Adafruit’s Apps!

No Comments

No comments yet.

Sorry, the comment form is closed at this time.