C.H.Ling wrote:
>Hi Foxy,
>
>I think spot metering is not practical for flash, remember how you use spot
>metering for available light photo? You have to select the spot area and
>lock the exposure, then re-compose your picture. For spot flash, how can
>you assume the objects at center are always with 18% reflection?
>
>As far as I know, only the Contax RTS III provide this feature and it
>require preflash before actual exposure. Then why not use an incidence
>flash light meter, I think it would be more accurate?
>
<snip>
The Canon T90 provided ATL, (Advanced TTL) flash on their T90, based on
spot-metering the flash-light. According to magazine tests it worked very
well, but was discontinued along with the camera and has never since been
seen, at least not in a Canon.
Ulf Westerberg
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|