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Canon EF 40mm f/2.8 STM Firmware Available


JackAllTog e2
5 4.0k 58 United Kingdom
22 Aug 2012 9:16AM
Canon Rumours had this today -

Firmware Version 1.2.0 addresses the following phenomenon
1. If pressure is applied to the lens barrel while the lens is mounted to the camera (pressure can be applied even while attaching the lens cap or while carrying the camera with the lens attached in a bag), the autofocusing function of the lens may stop working.
A Canon EOS 1D X, 5D III (at v1.1.3 or later) or a Rebel T4i/650D is needed to install the upgrade. Alternatively, the lens can be sent to Canon Service to have the firmware upgrade installed.


http://www.usa.canon.com/cusa/consumer/products/cameras/ef_lens_lineup/ef_40mm_f_2_8_stm#DriversAndSoftware

I don't know of many who have the lens though - do you? Is it on FF or APS-c, what do you use it for, do you like it?

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