Re: [Leica] 32 bit digital cameras

[Eric Welch <eric@jphotog.com>]

No, Canon's do not. At least the D60, D10 and D300 don't. It's either 
Jpeg or RAW out of the camera.

Eric Welch
Carlsbad, CA
http://www.jphotog.com

Always drink upstream from the herd. - Will Rogers
On Feb 2, 2004, at 6:10 PM, B. D. Colen wrote:

> Excuse me, but Canon, Nikon and Olympus DSLRs all offer Tiff files as 
> an
> option - and the Olympus offers the option of two color spaces, one of
> which is Adobe RBG.
>
> B. D.
>
> -----Original Message-----
> From: owner-leica-users@mejac.palo-alto.ca.us
> [mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of Jonathan
> Borden
> Sent: Monday, February 02, 2004 9:03 PM
> To: leica-users@mejac.palo-alto.ca.us
> Subject: Re: [Leica] 32 bit digital cameras
>
>
>
> On Feb 2, 2004, at 5:42 PM, Henning Wulff wrote:
>
>> At 2:03 PM -0500 2/2/04, Jonathan Borden wrote:
>>>> ...
>>>
>>> Photoshop can read 48 bit TIFF files -- indeed the TIFF format is the
>>> only one I use with Photoshiop (7/CS) as it can save layers, alpha
>>> channels etc. It is unfortunate that the cameras don't save in TIFF
>>> format directly, but in any case one might consider converting from a
>
>>> device dependent RAW TIFF colorspace into a device independent
>>> colorspace (e.g. Adobe1998/ProPhoto etc.) for editing purposes.
>>>
>>> Jonathan*
>>>
>>> *who exclusively uses digital Leica products, the Digital M3 -- Tri-X
>>> etc. souped in whatever and scanned into Photoshop -- 5400 x 7000+ x
>>> 48 bit resolution for under a grand :-))
>>
>> I believe you're talking about a couple of different and not
>> necessarily related items.
>>
>> Photoshop can read and write a large number of file formats, including
>> TIFF at various bit depths, and the .psd format, which is its own and
>> will retain the greatest amount of information, as far as Photoshop is
>
>> concerned. If you intend to work further on a file, it's best to save
>> it in the Photoshop format.
>
> According to Blatner and Fraser p665: "... Photoshop 7 has made the
> Photoshop format both less necessary and less convenient ... almost
> anything you can save in a Photoshop file you can also save in either a
> TIFF or PDF file..."
>
>>
>> Photoshop can also now read certain RAW formats, as long as they
>> aren't proprietary, encrypted, or made available since the last
>> Photoshop plug-in revision.
>>
>> Some cameras _can_ save in TIFF format directly, and they can be
>> colour space tagged. The reason few companies do this and few people
>> that have cameras that can do this use it is that TIFF files are 2 to
>> 3 times as large as the RAW formats, which are losslessly compressed
>> and hold the same information. So TIFF for the most part is pointless,
>
>> as the data throughput issues are already a limiting factor with
>> almost all cameras and storage media.
>
> Err no. It is entirely possible to use lossless compression with TIFF
> files. It is the industry standard. Now it is also possible to have
> uncompressed TIFF files, so although your TIFFs might be 2-3 times as
> large as your RAW files, this need not be the case.
>
> Beware that if you archive your files as RAW, you may not be able to
> recover them in several years i.e. once the particular RAW format has
> been discarded, forgotten and no drivers exist for whatever computer
> you will be using. On the other hand, the TIFF format which is a
> standard and is well document and supported by many many programs on
> essentially all platforms, will likely be readable into the future.
>
> I've been doing digital imaging for 25 years now  and I've been burned
> more times than I care to admit by so-called "RAW" file formats. I'm
> still snapping up M3s/M6s, and Deardorffs for that matter, at good
> prices. That said, what it is possible to do with a good scan, and
> particularly with color, in Photoshop is pretty amazing -- I'm just
> waiting for Photoshop to be upgraded to be able to use more than 2 gb
> of memory.
>
> Jonathan
>
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