Re: The eagle is landing but what's wrong with him?
- From: Daniel Silevitch <dmsilev@xxxxxxxxxxxx>
- Date: Fri, 06 Jan 2006 01:36:23 GMT
On Thu, 05 Jan 2006 20:13:54 -0500, ASAAR <caught@xxxxxx> wrote:
> On Thu, 05 Jan 2006 23:58:31 GMT, Daniel Silevitch wrote:
>
>> His file is 1 megabyte (980 Kb, actually) and 4 megapixels (2304x1728).
>> High compression seems to be the issue. The EXIF fields list Camera
>> Software as 'Adobe Photoshop Elements 4.0', so it's possible that the
>> raw camera picture was OK and it was saved in Elements with the
>> compression turned up too high. There's nothing in the fields (at least
>> the fields that my viewer is showing) that gives any info on what level
>> of compression either the camera or PE was using.
>>
>> jpeg artifacts aside, it is a lovely photo.
>
> For what it's worth, my 4mp camera has two different compression
> levels for 4mp images. "Fine" produces files about 1.9 mb in size
> and "Normal" produces files about 1/2 that size, so it does appear,
> as you say, that high compression is the issue. If the FZ also
> has, and used a low compression option for the picture and you can
> get the original file, you should be able to produce a better print.
> Even better if the original shot was a RAW file, but I'm not sure
> that you meant that literally. Good luck!
I believe that the first of the FZ series to support real RAW is the
FZ30; without checking, I'd guess that the FZ15 supports JPG and TIFF.
By raw, I meant the out-of-camera JPG file. A quick look didn't find
file sizes for the FZ15, but for the FZ5 (5 Mp model in the same
series), a Fine JPG is about 2 MB and a Standard JPG is about 800ish kB.
The FZ15 should produce files about 20% smaller on both settings, and of
course there's probably a +/-30% variation depending on how compressible
the scene is.
When someone is using Elements to talk to a camera, does Elements save
the as-downloaded file directly to disk, or does it open the picture in
memory and use its own compressor to create the disk file? Knowing which
might help track down the culprit.
-dms
.
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