Canon Lens Patent: EF-S 100-300mm  

Canon ef patent s100

Canon filed a latest patent for the lens for its Canon APS-C DSLR cameras. It is a patent for a super telephoto zoom lens: EF-S 100-300mm f/4-5.6 IS.

If Canon works on it, then it will definitely develop magnificent lens for those users who have Canon EOS 7D Mark II and will give them better experience in shooting for wild and sports photography.

 

The details of the patent as follows:-

 

Patent Publication No. 2015-138178

Published 2015.7.30

Filing date 2014.1.23

Example 1

Focal length 102.00 195.50 291.20mm

F-number 4.16 5.14 5.88

Half angle of 7.63 4.00 2.69 °

Positive and negative positive and negative four-group zoom

Anti-vibration (part of the second group)

 

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