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Saturday, September 17, 2016

Canon Explains the Science of Optics and EF Lenses

Canon has recently surpassed the 120 million copy of EF lens production in its milestone. Their family of lenses range from 8mm to 1200mm. However, the science behind each piece of glass is essentially the same.

The video below shows the basics of understanding optics. Take a look at how the EF 500mm f/4L IS lens is made, from scratch to final assembly. This is one of my favorite Super Telephoto lens in Canon's lineup. You can see my equipment bag and works on

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