Interesting. In my experience, the P-TTL flashes overexpose at macro
distances in combination with A-series lenses.
When used with F-series or newer, P-TTL incorporates focal distance
communicated from the lens to set the right exposure. For A-series
lenses I believe the camera defaults to a sort of "program flash range",
like between 1.5 and 4 meters, depending on the flash GN.
I totally agree about P-TTL and snap-in. :-)
My experience is with two Metz flashes, the ring flash and the 540 FGZ.
Jostein
Den 30.04.2016 15.32, skrev Mark C:
Except for the Pentax ring flash I've not had any problems with P-TTL
and A lenses. I'm on my thrid AF360 FGZ used for in field macros.
Unfortunately P-TTL and snap in focus is a bit of a problem simply
because of the delay due to the pre-flash - the camera and subject cna
move a lot in the 1/15 of a second or so between the pre flash and
actual flash firing. I used snap in focus a lot with the Pz-1p but
basically stopped when PTTL came along.
Mark
On 4/30/2016 6:09 AM, Jostein wrote:
Very nice shot indeed, Bill.
I used to have the A*200/4 macro but sold it when I realised that
P-TTL didn't work properly with A-series lenses. I miss the snap-in
focus, though. That was handy with bugs.
Then I bought Stan's FA* 200/4 a year and a half ago. Hope I'll be
able to give it a good workout this summer.
Jostein
Den 30.04.2016 10.59, skrev Steve Cottrell:
On 29/4/16, Bill, discombobulated, unleashed:
Not the A, but I do have one of the very rare FA* 200/4 Macros. It's
very nice.
I read somewhere that there were only 200 made. I don't know if that is
true or not.
Here's a picture taken with it:
http://users.accesscomm.ca/wrphoto/pictures/wetrock.html
Never seen that before. Jesus I hope that's going in a pdml annual at
some point. Stunning!
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