Firmware for EF to RF adapters

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davidwien Regular Member • Posts: 340
Firmware for EF to RF adapters
1

I am getting confused about firmware.

I have two EF-RF adapters, one with and one without the control ring.

Using the straight through adapter,

My R6 reports with the EF40mm

Update camera firmware as needed

Camera Ver. 1.4.0

Lens Ver. 1.2.0

If I put the EF70-300mm IS lens or the 17-40mm lens, I get only the messages

Update camera firmware

Memory card containing firmware is required to update.

Using the adapter with the control ring

With the EF40mm, I get four messages:

Update camera firmware as needed

Camera Ver. 1.4.0

Lens Ver.1.2.0

Mount adapter Ver.1.0.0

With the EF70-300mm or the EF17-40mm lenses, I get:

Update the camera firmware as needed

Camera Ver. 1.40

Mount adapter Ver.1.0.0

Would the wise people here who can interpret these messages please do so for me.

Many thanks!

David

 davidwien's gear list:davidwien's gear list
Sony RX100 VA Canon EOS RP Canon EOS R6 Canon EF 17-40mm f/4.0L USM Canon EF 70-300mm f/4-5.6 IS USM +5 more
Canon EOS R6
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