The irony of this is that for prints, especially small ones like the 
4x6's that are the most popular for general use, the Pentax JPEG output 
is actually better than a more heavily sharpened print.

Most minilabs oversharpen everything they print.

-Adam



J. C. O'Connell wrote:
> I would think the goal of the highest quality level jpeg output is to 
> make it as closely as possible match what you can do with a RAW file
> tweeked and saved as a jpeg, but do it automatically. This simply
> may not be possible any or all the time, but its a good goal to try to
> achieve.
> I think that some of these diehard RAW users may be forgetting that
> one of the biggest "features" of any digtal camera is for instant
> results on the output. If you have to go spend a lot of time tweeking
> each one of RAW images in photoshop, that good "feature" is lost.
> jco
> 
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Tom C
> Sent: Saturday, December 16, 2006 1:06 AM
> To: [email protected]
> Subject: Re: K10D review online
> 
> 
> Then they misread what MOST people, not myself, MOST people want out of
> the 
> camera. That is the best possible result w/o any post-exposure
> manipulation.
> 
> I don't know why they refuse to get that simple fact. If we shoot RAW
> it's 
> one thing, but people readiing the review thatwant the best possible
> .jpg 
> w/o manipulation will likely fail to be impressed.
> 
> Tom C.
> 
> 
> 
> 
>> From: Godfrey DiGiorgi <[EMAIL PROTECTED]>
>> Reply-To: Pentax-Discuss Mail List <[email protected]>
>> To: Pentax-Discuss Mail List <[email protected]>
>> Subject: Re: K10D review online
>> Date: Fri, 15 Dec 2006 18:02:08 -0800
>>
>>
>> On Dec 15, 2006, at 5:21 PM, Alexandru-Cristian Sarbu wrote:
>>
>>> .. In fact now I'm thinking that the jpeg "issue" may be a design 
>>> decision. *If* it's tuned for better tonal gradation (I hope I'm 
>>> using the correct words), the dynamic range will be lowered (since 
>>> you have only 8 bits/channel to store the data). But I have no idea 
>>> if this is really the case. ..
>> I am sure that this is the case.
>>
>> There is a thread at DPReview
>>    http://forums.dpreview.com/forums/read.asp?
>> forum=1036&message=21284539
>> where someone is calling for a mass request to Pentax for a firmware 
>> update. I found this reply interesting.
>>
>>> Forum        Pentax SLR Talk
>>> Subject      received this reply:
>>> Posted by    chrswggl
>>> Date/Time    9:03:20 PM, Friday, December 15, 2006 (GMT)
>>>
>>>
>>>
>>> Dear Sir/Madam,
>>>
>>> Thank you for contacting Pentax.
>>>
>>> Quotes from DPReview: 
>>> http://www.dpreview.com/reviews/pentaxk10d/page11.asp
>>>
>>> "Sharpness:
>>> As we have seen on previous Pentax digital SLR's the default 
>>> sharpness level is a little more conservative than other cameras, 
>>> that's not a bad thing and simply means that if you want your images
> 
>>> a little sharper out of the camera just select +1 or +2. We also 
>>> note that Pentax appear to be using a sharpening algorithm which 
>>> produces 'undershoot' (a darkening of black side of contrast on an 
>>> edge) rather than 'overshoot' (white halos), this can be seen most 
>>> obviously on the watch fingers in the +3 crop. Unfortunately this 
>>> appears to leave some black edges looking a little soft and 
>>> increasing the sharpness setting doesn't help. "
>>>
>>> "When we reviewed the K100D we thought Pentax had got their image 
>>> processing just right, however the single element of the entire K10D
> 
>>> equation which left us scratching our heads was just that. Either a 
>>> poorly implemented demosaicing algorithm or a strange choice of 
>>> sharpening parameters means that while the K10D's JPEG images have 
>>> plenty of 'texture' they can lack the edge sharpness we're used to 
>>> seeing from semi-pro digital SLR's.
>>>
>>> Pentax may well have been aiming for a smooth film-like appearance 
>>> but I at least feel that the inability to tweak this out by 
>>> increasing sharpness is a mistake. That said it's unlikely you'll 
>>> see this difference in any print up to A3 size, it's a 100% view 
>>> thing so you have to decide if that's important to you or not. To 
>>> get that absolute crisp appearance you'll need to shoot RAW, and use
> 
>>> Adobe Camera RAW or another third party converter (as the supplied 
>>> converter produces similar results to the camera).
>>>
>>> With the criticism out of the way we return to the K10D as a 
>>> 'photographic tool', something it does very well. It's a camera you 
>>> get used to very quickly and never really leaves you searching for 
>>> the correct setting or control. It's also a camera you can grow 
>>> into, the unique exposure modes are both creatively interesting and 
>>> useful, a range of options such as this encourage you to experiment.
> 
>>> At just under $900 it's a very strong proposition, so despite our 
>>> reservations about the slightly soft image processing the K10D just 
>>> achieves a Highly Recommended."
>>>
>>>
>>> This is something that we could change with a firmware update, but 
>>> to the best of my knowledge the camera is working as intended by our
> 
>>> designers, so such a firmware update is unlikely.
>>>
>>> If you prefer a sharper shot to a softer feel, then you will 
>>> probably wish to shoot in the DNG RAW format instead of PEF RAW or 
>>> JPG.
>>>
>>> If you prefer a smoother image, then you will want to shoot in PEF 
>>> RAW or JPG.
>>>
>>>
>>> If you are in need of further assistance, please respond to this 
>>> email or call our technical support center at 800-877-0155.
>>>
>>> Best Regards,
>>> Dorian B.
>>> Pentax Imaging Technical Support
>>> ----
>> Now the intriguing question, to me, is Dorian's statement:
>>
>>> --
>>> If you prefer a sharper shot to a softer feel, then you will 
>>> probably wish to shoot in the DNG RAW format instead of PEF RAW or 
>>> JPG.
>>>
>>> If you prefer a smoother image, then you will want to shoot in PEF 
>>> RAW or JPG.
>>> --
>> This implies one of two things:
>>
>> Either there is some image processing applied to the RAW data in PEF 
>> and JPEG output modes that isn't applied to the DNG output mode, or 
>> Dorian is assuming Pentax Lab for PEF conversion which performs 
>> different smoothing/cleanup compared to when it processes K10D PEFs. It
> 
>> might also be an answer to the comments that Pentax Lab and Silkypix 
>> produce different RAW conversion results with PEF vs Camera Raw and 
>> Lightroom with DNG. This is an interesting question mark and I'm 
>> curious to see what happens when Adobe supports K10D PEF files. 
>> Meanwhile I'm going to devise a test to see if I can find subtle 
>> differences ...
>>
>>> I don't use jpeg anyway. So I don't really care :)
>> :-)
>>
>> Ach. Someday all this flap will be over and I'll spend more time doing 
>> PHOTOGRAPHY again, rather than being an equipment weenie.
>>
>> Godfrey
>>
>> --
>> PDML Pentax-Discuss Mail List
>> [email protected]
>> http://pdml.net/mailman/listinfo/pdml_pdml.net
> 
> 
> 


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