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Color Infrared in Filtered Sunlight
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May 18, 2020 09:56:55   #
JohnSwanda Loc: San Francisco
 
lev29 wrote:
John, I have another question for you, pertaining to your SOOC samples. To my eye, in comparison with my SOOC JPEGs that I obtain directly from both my 650 nm-converted Sony dSLR and my Full Spectrum-converted Sony mirrorless (with various external filters attached,) the dynamic range of yours appear relatively flat.

You wrote that your samples "include the processing of the RAW file into a JPEG." Is that all? And is there more than one kind of "standard" JPEG that can be generated from the RAW file of each photograph? Or is it that you intentionally overexpose them to begin with? Please understand that my question is purely about technique and not a criticism as to the resultant artistic value.

Below are a couple of examples from my collection. The first was obtained with my 650 nm-converted Sony dSLR while the second was done with a 665 nm filter attached to my Full Spectrum-converted Sony mirrorless camera. The ONLY post-processing I did was merely to crop the second in order to facilitate comparison with the first. Yes, these were taken at different times of both the day and year.

Thank you.
John, I have another question for you, pertaining ... (show quote)


When I process the RAW files, I recover as much highlight and shadow as possible. They aren't overexposed, that is, losing highlight detail, but I do like them on the lighter side which seems to give more IR effect. Then I increase contrast and saturation in post processing with Photoshop.

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May 18, 2020 10:07:33   #
lev29 Loc: Born and living in MA.
 
JohnSwanda wrote:
When I process the RAW files, I recover as much highlight and shadow as possible. They aren't overexposed, that is, losing highlight detail, but I do like them on the lighter side which seems to give more IR effect. Then I increase contrast and saturation in post processing with Photoshop.
Sorry, I need to confirm that we’re talking about the exact same thing. When you write, "When I process the RAW files, I recover ..." are you referring to processing them into JPEGs?

I ask because if that is the case, then I would not consider the JPEGs you presented to be SOOC.

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May 18, 2020 10:41:12   #
JohnSwanda Loc: San Francisco
 
lev29 wrote:
Sorry, I need to confirm that we’re talking about the exact same thing. When you write, "When I process the RAW files, I recover ..." are you referring to processing them into JPEGs?

I ask because if that is the case, then I would not consider the JPEGs you presented to be SOOC.


The JPEGS I posted had the same processing from RAW (in ACR) that I did to work on them in Photoshop. Besides recovering highlights and shadows, I may have adjusted exposure.

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May 18, 2020 11:54:53   #
lev29 Loc: Born and living in MA.
 
JohnSwanda wrote:
The JPEGS I posted had the same processing from RAW (in ACR) that I did to work on them in Photoshop. Besides recovering highlights and shadows, I may have adjusted exposure.
Thank you. That explains why I perceive your derived JPEG samples as being "flat."

For what it’s worth, lately I’ve been shooting only JPEGs because I’m testing out a variety of external filters. I have shot a lot in RAW and do realize that this format can most certainly be manipulated to a greater degree than JPEG. When I travel out of state, I simultaneously capture in both RAW & JPEG, which facilitates my e-mailing select images in JPEG. But when I compare one of my SOOC JPEG to the JPEG from a particular photograph's RAW file, whether it is derived via either my Sony camera or Apple laptop, the two appear remarkably similar.

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