Samyang RF 85 f/1.4 ($800 USD-ships in June)

Started 2 months ago | Discussions thread
Stig Nygaard
Stig Nygaard Regular Member • Posts: 163
Re: Samyang RF 85 f/1.4 ($800 USD-ships in June)

Sittatunga wrote:

Stig Nygaard wrote:

sportyaccordy and JustUs7, you are probably right. It sounds like it is a known fact. I just don't see the logic. Image in EVF comes from the sensor, and image travels optically through the lens to the sensor. I cannot see the connection from EVF to bajonet pins and electronic communication between lens and body.

It's to do with the speeds of communication in the EF and RF mounts. Canon probably use the speed at which the lens communicates to set the viewfinder refresh rate. If the lens doesn't communicate, or only speaks pidgin EF...

Exactly that makes no sense to me at all. Why do it need to communicate with lens to set the viewfinder refresh rate?

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