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Forums > Back > Patent for EF-M 55-300mm f4.5-6.3 DO (IS STM)
Brightcolours
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01-09-2016, 12:38 PM (This post was last modified: 01-09-2016, 12:39 PM by Brightcolours.)
http://translate.google.com/translate?sl...2016-01-08

 

With the advancement of the DO technology (see 400mm f4 DO II), it will make for an interesting lens (as "cheap", compact tele zoom).

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Patent for EF-M 55-300mm f4.5-6.3 DO (IS STM) - by Brightcolours - 01-09-2016, 12:38 PM
Patent for EF-M 55-300mm f4.5-6.3 DO (IS STM) - by davidmanze - 01-10-2016, 07:26 AM

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