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Re: [OM] Yellow Flowers [was The enduring appeal of GAS and What is this

Subject: Re: [OM] Yellow Flowers [was The enduring appeal of GAS and What is this beastie?]
From: DZDub <jdubikins@xxxxxxxxx>
Date: Sat, 25 Jun 2022 13:11:06 -0500
On Thu, Jun 23, 2022 at 11:41 AM Ken Norton <ken@xxxxxxxxxxx> wrote:

>
> Based on a recommendation by His Mooseness, I generally dial -0.3 in
> on every m43 camera as well as the A7ii. This has worked exceptionally
> well for me and that 1/3 of a stop is exactly what I need in Lightroom
> to give me the highlight contour I need.
>

Used to do -.7 on E-1  and then gradually vered off and went with 0 on
later E and came back to -.7 on the E-5, though I was skeptical of value at
times.  EM-1 images just look better to me at -.7, for the most part.

>
> However, when it comes to flowers, and LED lighting... Oh my...
>
> What I've found is the closer the subject color is to the RGB sensor
> colors, the more likely I'm going to get extremely offputting
> saturation and unusable pictures. Especially in the reds. I've had to
> exposure-compensate as much as -2.0 stops on tulips and roses if they
> are in sunlight. This isn't a metering issue, as I know how to meter.
> This is a Bayar array issue and how the whole base algorithm works.
>

So saith Ctein and Moosie.  So far I haven't gotten a -2 EV shot to work
with my post process.  Levels middle slider does most of the heavy lifting,
easy on the right one.  I can get the reds looking sort of even-ish, but
the background is very unattractive to me, and there is no longer a natural
feel in the lighting.  Generally, a less extreme bracket works better for
my taste.  I think a -1.3 has worked out OK.


> Which leads to a twist. Not all raw file converters are created equal
> in this regard. Silkypix is the only converter I've used that will
> maintain the needed separations in the flower pictures far longer.
> Instead of -2.0 stops, Silkypix can give the same results when the
> source image was shot at around -0.7.
>

Hmmm.  Thanks for the hint.  I have used it in the past.  Something I
didn't like in the workflow, but I don't remember what.  I'm not on the
Adobe treadmill at the moment, so perhaps a venture into the weeds is in
order.

>
> Don't ask about Canon images.
>

Using what converter?  Any?  None?  Silkypix?  If I'm not to ask about
Canon images, what am I not asking about?  :)

Joel W.
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