It's a real problem with all the new semi-pro/pro-sumer cameras.
The smaller sensor size gives more DOF and the higher ISO also gives
more DOF... You have to use f:1.4 to get any darn control.
Herschel
On 8/3/11 6:43 PM, Russ wrote:
Maybe that explains things...........
I tested the camera with a model the other day.
The camera it self was great to work with.
However the fill flash outside left a bit to be desired..
I had the camera ISO set to 100
In the studio where I have more light than I need
I always use a low ISO................
Outside I will have no problem using a faster ISO.
I guess I'll stick to 200 ISO or faster.
On 8/3/2011 8:24 PM, Herschel Mair wrote:
Put simply: No you can't use ISO 100 with the D90
and TTL metering. I guess the sunpak is made to work with a
range of cameras, including film bodies, so it has the wider ISO
options.
I have the D3 and the image deteriorates if you go lower than
200 ISO.
Herschel
On 8/3/11 5:19 PM, James Schenken wrote:
Russ:
The way I read the manual, the ISO of 100 is not supported in
iTTL mode.
The comment of using 3200 and greater is meant to be a warning
that the iTTL
function may not be able to adjust the flash exposure enough
for certain
apertures and distances. For example, F/2.8 and 2 feet
distance comes to
mind. At that distance and aperture, the correct flash
duration will be
shorter for the correct exposure than the iTTL computer can
handle.
Hope this helps.
James
-----Original Message-----
From: owner-photoforum@xxxxxxxxxxxxxxxxxx
[mailto:owner-photoforum@xxxxxxxxxxxxxxxxxx]
On Behalf Of Russ
Sent: Wednesday, August 03, 2011 6:08 PM
To: List for Photo/Imaging Educators - Professionals -
Students
Subject: Nikon D90 and flash
Hi Gang................
After the theft of my camera equipment a few weeks ago
I purchased a refurbished Nikon D90 a Tamron 18-200mm lens
and a Sunpak pz42x flash.
(fortunately the thieves didn't touch any of my Studio
equipment)
I have looked on some of the Nikon forums and don't see
anywhere where this question has come up..............
On page 237 of the Users Manual it states............
iTTL flash control can be uses at ISO's between 200-3200
It mentions that desires results may not be as expected
when using 3200.
The Nikon D90 can also be set at ISO 100 and 6400.
Does this mean that the iTTL flash control will not work
if I lower the ISO sensitivity to ISO 100?
That seems rather strange?
Thanks
Russ
--
Russ
R.E. Baker Photography
www.rebphoto.smugmug.com
Feed a Cat...
Starve a Fever.....
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