"AHD to EAHD to HPHD to VNG4"? Sorry, haven't a clue what those are.
I'd much prefer that the camera manufacturers give me an explicit
metering option to avoid blown highlights on any channel if I so choose.
Teeny tiny histograms in bright sun don't quite cut it.
Chuck Norcutt
On 1/18/2012 11:19 PM, Ken Norton wrote:
>> It was my understanding (from where I don't know) that ACR and some
>> other converters try to go the manufacturer's converters one better by
>> extrapolating beyond the clipped channel. How they do that and how
>> successful they are I don't know.
>
> ACR is better at it with Canon files than Olympus/Panasonic files. In fact,
> they JUST fixed a known bug in the Panasonic DMC-L1 converter a couple
> months ago. Like, duh. My testing with Capture-1 shows a far better color
> across the boards--including the recovered highlights than ACR when working
> with Olympus files. DCRAW will definitely send the recovered highlights
> into a martian orbit. You never really know what you are going to get, but
> most likely Orson Wells will be involved.
>
> Color integrity in the highlights changes quite substantially with Canon
> files if you change from AHD to EAHD to HPHD to VNG4. Each one of these
> combines the sensel dump (raw file) in a different manner. BTW, with
> Olympus and Panasonic files, we have to always use VNG4 or varients because
> of the dual-colored green sensels. If you don't use VNG4 you will end up
> with the maize patterns.
>
> AG
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|