What are Barrel and Pincushion Distortion?

In this episode of Ask David I describe and draw what barrell and pinchusion distoriion are.

My Photography Website:
http://www.5119photography.com/

Follow me on Google+:
https://plus.google.com/+DavidHancock

• #howto_style
• #35mm
• #film
• #slr
• #photography
• #how_to
• #camera
• #barrel
• #pincushion
• #distortion