Patent: EF-S 15-105 f/2.8-5.6 IS STM

Last updated: May 6, 2025 4:02 am

Published: July 3, 2015

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A patent for a what looks to be a competitor to the 16-80mm f/2.8-4 VR that Nikon announced yesterday. Included in this patent is an optical formula we already have, the EF 24-105 f/3.5-5.6 IS STM, but it also shows an EF-S 15-105 f/2.8-5.6 IS STM (24-168mm in 35mm) for APS-C cameras.

Patent Publication No. 2015-118141

Published 2015.6.25
Filing date 2013.12.17

Canon patents

Positive and negative positive and negative positive and negative positive 7-group zoom
Inner focus (fourth group)

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Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.