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Re: [OM] Oly supplimentary lenses

Subject: Re: [OM] Oly supplimentary lenses
From: "Ulf Westerberg" <ulf.westerberg@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 11 May 1998 23:16:12 +0200
Doug Nowlin wrote:

>
>-----Original Message-----
>From: Ulf Westerberg <ulf.westerberg@xxxxxxxxxxxxxxxxxxxx>
>><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
>>
>A-TTL is alive and well on all current (and AFIK past) Canon EOS cameras. I
>don't know about spot A-TTL. I will have to see if I can find any
>information on this. I use A-TTL all the time with my EOS models, and it is
>slick. It meters a weak test flash through the lens. As it also balances
the
>main subject with the background, it probabably does not spot meter. It is
>probably using the more advanced matrix meter.
>
>Doug
>
The T90 also metered the spot-metered scene via a pre-flash. I had no idea
that the term A-TTL as it is called still was used, though. Thanks for
pointing out this error.

Ulf Westerberg


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