Canon Patents

Patent: EF-S 15-85 f/3.5-5.6 IS

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A new patent for the EF-S 15-85 f/3.5-5.6 optical formula has appeared. Perhaps it may be an update to the current lens to give it a stepping motor (STM).

That said, the current lens is very good for what it is, and probably benefits from USM on a camera such as the EOS 7D Mark II.

Source: [EG]


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