> C.H.Ling <ch_photo@xxxxxxxxxxxxx> wrote:
>
> When I just pressed the 'send' key there is another thing come up in my
> mind, I just assumed the whole lens group will move during focusing (the
>
> most simple focusing), if the RF lens is with internal focus or focus
> with
> just the front element group then focus error could happen with an
> adapter
> of wrong thickness.
>
Yeah, I wasn't going to get into that complicating factor.
I have no idea how many rf lenses have internal focussing, anyone know for sure
?
...Wayne
Wayne Harridge
http://lrh.structuregraphs.com
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