Watch video Physics - Optics 2 (2 of 15) The Thin Lens Equation: Example 1 online without registration, duration 02 minute 34 second in high hd quality. This video was added by user Michel van Biezen 03 July 2014, don't forget to share it with your friends and acquaintances, it has been viewed on our site 3 thousand once and liked it 3 people.