Don Weiss <[EMAIL PROTECTED]> wrote:
>It is indeed not the case. I have only two speculations on the ST-E2 not handling
>group C:
>
>1. The designers of the ST-E2 were not aware of the decision to _have_ a group
>C in the wireless E-TTL technology; either because they weren't informed, or
>because the ST-E2 design was frozen before the group C decision was made.
>
>2. The marketers didn't want to sell too many ST-E2's -- uh, I mean, they wanted
>to sell more 550EX's.
The second reason sounds the more likely of the two, although if the
ST-E2 supported three groups they may get more group C 550EX sales from
ST-E2 users!
On a related matter - does anyone know if ratio control works using an
ST-E2, one 550EX and one 420EX?
Pat
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