It's my experience that there are multiple things to consider here.
One is dust and scratches. This was the subject of your query 25 months ago, to
which I wrote a lengthy reply.
Next is noise and/or grain. A modest amount in old photos looks normal, perhaps
even an asset.
BUT, when you want to sharpen, the sharpening doesn't know the difference between noise/grain and subject detail, so
almost all sharpening apps sharpen the grain, too.
So if you ask about sharpening, you need to be asking about NR, too.
On 12/14/2020 7:51 AM, Jim Nichols wrote:
I just noticed your inquiry that came in a little bit ago. So, the list has
life.
I passed my old scanner on to another Lugger because I had scanned all that were worth saving. But, for sharpening, I
find that Topaz Denoise AI, though not free, is the best I've ever used, and is constantly being improved. I use it
as a PS filter.
Why does Jim offer a NR product in response to a question about sharpening? Because Topaz Denoise AI is much more than
just NR. It offers three different models for NR, each with separate controls for NR, sharpening and post processing
detail recovery.
For example, Mode 1, used on low ISO digital images, with settings of moderate NR, no sharpening and some detail
recovery is pure magic in bringing out clear, sharp fine detail.
It does take a little practice to find how it works with any particular type of image file. Once found, the settings may
be use repetitively on other similar files.
I don't use the Sharpening options in Denoise AI - because Topaz Sharpening AI is so good. As with Denoise, three
different modes/models for sharpening. All useful. Where there's been subtle movement blurring, the Stabilize Mode is
often amazing.
I've tried quite a number of sharpening apps, including the PixelGenius Piers mentions and the latest versions in PS.
The ones that stand out are the pinnacle, Topaz AI and DxO PhotoLab.
DxO's Raw NR is seldom, but on occasion, as good or better than Topaz. DxO sharpening seems to include some form of
deconvolution, using their own lens profiles. It's really quite good, but not as versatile or effective as Topaz.
There are times when "You get what you pay for." is true. This is an instance
where the paid option is a great deal better.
Quiet Sharp Moose
On 12/14/20 9:26 AM, Philippe wrote:
Hi All,
I’m looking for proven software that actually works for sharpening scans,
mainly slides at the moment.
The ideal candidate should be running on a Mac, possibly from LR, and
optionally be freeware ...
Thanks in anticipation for sharing your practices as I have read tests but prefer to rely on hands-on experience from
trusted sources, i.e, you :-)
--
What if the Hokey Pokey *IS* what it's all about?
--
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