Re: White Balance on K-7

2010-12-03 Thread mike wilson
Dario Bonazza wrote: K-7 manual, page 192: Mark! -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

Re: White Balance on K-7

2010-12-03 Thread Boris Liberman
Yes indeed. Apparently I wasn't sufficiently thorough :-). Corrected that little bugger :-). There is another interesting option on the same menu page. It says how WB behaves when flash is attached. Default is - AWB. Boris On 12/3/2010 1:04 AM, Miserere wrote: I think you might be

Re: White Balance on K-7

2010-12-02 Thread Boris Liberman
On 12/1/2010 10:01 PM, Miserere wrote: Boris, This is the issue: http://shutterfinger.typepad.com/shutterfinger/2010/08/automation-strikes-again.html Igor might want to run a test similar to Gordon's to make sure his camera is fine, but I suspect it is. This is simply a case of Pentax trying

Re: White Balance on K-7

2010-12-02 Thread Miserere
I think you might be unpleasantly surprised :-D On 02/12/2010, Boris Liberman bori...@gmail.com wrote: On 12/1/2010 10:01 PM, Miserere wrote: Boris, This is the issue: http://shutterfinger.typepad.com/shutterfinger/2010/08/automation-strikes-again.html Igor might want to run a test

Re: White Balance on K-7

2010-12-01 Thread Boris Liberman
On 11/30/2010 5:42 PM, Igor Roshchin wrote: Bob and Boris: I usually shoot with AWB (and RAW), but this time I fixed it the WB to minimize necessity for corrections, as the light was very consistent and the flash was not allowed at all. Igor, is it at all possible then to have you make a

Re: White Balance on K-7

2010-12-01 Thread Dario Bonazza
Boris Liberman wrote: On 11/30/2010 5:42 PM, Igor Roshchin wrote: Bob and Boris: I usually shoot with AWB (and RAW), but this time I fixed it the WB to minimize necessity for corrections, as the light was very consistent and the flash was not allowed at all. Igor, is it at all possible then

Re: White Balance on K-7

2010-12-01 Thread Boris Liberman
On 12/1/2010 11:05 AM, Dario Bonazza wrote: Uh? Why do you suppose Igor's camera to be broken when Igor himself agreed on my suggestion to just change the set WB from go where you like (Pentax default) to fixed? Let's wait and see if such a menu setting is enough to solve the problem. Dario

Re: White Balance on K-7

2010-12-01 Thread Miserere
On 1 December 2010 03:57, Boris Liberman bori...@gmail.com wrote: On 11/30/2010 5:42 PM, Igor Roshchin wrote: Bob and Boris: I usually shoot with AWB (and RAW), but this time I fixed it the WB to minimize necessity for corrections, as the light was very consistent and the flash was not

Re: White Balance on K-7

2010-11-30 Thread Joseph McAllister
On Nov 29, 2010, at 23:15 , Dario Bonazza wrote: Strong means the camera compensates for the warm cast, perfoming a white-balanced (neutral) shot. The default is strong which looking at the proof sheet of the dancers submitted is what the camera tried to do on some of the shots, leaving the

Re: White Balance on K-7

2010-11-30 Thread Boris Liberman
Igor, On 11/29/2010 5:39 PM, Igor Roshchin wrote: Has anybody experienced anything of this sort? What could be the reason (besides some malfunction of the camera)? I will have to look in my collection but I am fairly certain that all three cameras I've been shooting with (*istD, K10D, K-7)

Re: White Balance on K-7

2010-11-30 Thread Igor Roshchin
Mon Nov 29 16:00:51 CST 2010 Dario Bonazza wrote: Charles Robinson wrote: On Nov 29, 2010, at 14:46, Dario Bonazza wrote: Is [11. WB Adjustable Range] in the [C Custom Setting 2] menu set to [Fixed]? If not, that could explain that behaviour. Don't ask me why one should select

Re: White Balance on K-7

2010-11-30 Thread Margus Männik
Hi, I've experienced the same problem and it seems that Tungsten WB is not fixed WB setting. Instead, it tries to adopt to lighting conditions. Shooting JPEG, try fixed K value instead - for me it have been worked fine. Of course, RAW would be the best (but a bit more time-consuming)

Re: White Balance on K-7

2010-11-30 Thread Dario Bonazza
Margus Männik wrote: I've experienced the same problem and it seems that Tungsten WB is not fixed WB setting. Instead, it tries to adopt to lighting conditions. Shooting JPEG, try fixed K value instead - for me it have been worked fine. Of course, RAW would be the best (but a bit more

White Balance on K-7

2010-11-29 Thread Igor Roshchin
Hi All, While shooting an argentine tango performance over the weekend I set the WB of my K-7 to Tungsten light. I was surprised to see that while ~80% of shots were with about the right color, some considerable number of shots had a distinctive. It was not as red as it would have been if I

Re: White Balance on K-7

2010-11-29 Thread P N Stenquist
On Nov 29, 2010, at 10:39 AM, Igor Roshchin wrote: Hi All, While shooting an argentine tango performance over the weekend I set the WB of my K-7 to Tungsten light. I was surprised to see that while ~80% of shots were with about the right color, some considerable number of shots had a

Re: White Balance on K-7

2010-11-29 Thread Igor Roshchin
Mon Nov 29 09:52:30 CST 2010 P N Stenquist wrote: On Nov 29, 2010, at 10:39 AM, Igor Roshchin wrote: Hi All, While shooting an argentine tango performance over the weekend I set the WB of my K-7 to Tungsten light. I was surprised to see that while ~80% of shots were with about

Re: White Balance on K-7

2010-11-29 Thread P N Stenquist
On Nov 29, 2010, at 1:57 PM, Igor Roshchin wrote: Mon Nov 29 09:52:30 CST 2010 P N Stenquist wrote: On Nov 29, 2010, at 10:39 AM, Igor Roshchin wrote: Hi All, While shooting an argentine tango performance over the weekend I set the WB of my K-7 to Tungsten light. I was

Re: White Balance on K-7

2010-11-29 Thread Bob Sullivan
Shooting RAW and AWB I know the colors will shade differently in the same light as composition changes. The Synch function in lightroom is your friend in such cases. Regards, Bob S. On Mon, Nov 29, 2010 at 12:57 PM, Igor Roshchin s...@komkon.org wrote: Mon Nov 29 09:52:30 CST 2010 P N

Re: White Balance on K-7

2010-11-29 Thread Christine Nielsen
I have experienced the same thing with my k-7! Here is an example: http://www.flickr.com/photos/23028...@n04/sets/72157625120080220/ Two photos, same subject framing, same WB, exposure settings. Correctable in post, but, still odd. -c On Mon, Nov 29, 2010 at 10:39 AM, Igor Roshchin

Re: White Balance on K-7

2010-11-29 Thread Bob Sullivan
I wonder if some of this isn't connected to flourescent lighting and the new energy efficient bulbs that are replacing incandescents. I wonder if these bulbs flicker at a 60 cycle per second rate and deliver different color temperatures in different parts of the cycle. Regards, Bob S. On Mon,

Re: White Balance on K-7

2010-11-29 Thread Charles Robinson
On Nov 29, 2010, at 14:38, Bob Sullivan wrote: I wonder if some of this isn't connected to flourescent lighting and the new energy efficient bulbs that are replacing incandescents. I wonder if these bulbs flicker at a 60 cycle per second rate and deliver different color temperatures in

Re: White Balance on K-7

2010-11-29 Thread Dario Bonazza
Igor Roshchin wrote While shooting an argentine tango performance over the weekend I set the WB of my K-7 to Tungsten light. I was surprised to see that while ~80% of shots were with about the right color, some considerable number of shots had a distinctive. It was not as red as it would have

Re: White Balance on K-7

2010-11-29 Thread Charles Robinson
On Nov 29, 2010, at 14:46, Dario Bonazza wrote: Is [11. WB Adjustable Range] in the [C Custom Setting 2] menu set to [Fixed]? If not, that could explain that behaviour. Don't ask me why one should select a given white balance and then allow the camera to change it, but Pentax thinks of

Re: White Balance on K-7

2010-11-29 Thread Mark Roberts
Charles Robinson wrote: On Nov 29, 2010, at 14:38, Bob Sullivan wrote: I wonder if some of this isn't connected to flourescent lighting and the new energy efficient bulbs that are replacing incandescents. I wonder if these bulbs flicker at a 60 cycle per second rate and deliver different

Re: White Balance on K-7

2010-11-29 Thread Dario Bonazza
Charles Robinson wrote: On Nov 29, 2010, at 14:46, Dario Bonazza wrote: Is [11. WB Adjustable Range] in the [C Custom Setting 2] menu set to [Fixed]? If not, that could explain that behaviour. Don't ask me why one should select a given white balance and then allow the camera to change it,

Re: White Balance on K-7

2010-11-29 Thread Dario Bonazza
I wrote: it looks a lot like that mad idea of allowing you to select SEL for AF points selector and then reverting back to auto select, which was the behaviour of the AF selector before a firmware fix. Please read it as: it looks a lot like that mad idea of allowing you to set the AF points

Re: White Balance on K-7

2010-11-29 Thread Charles Robinson
On Nov 29, 2010, at 16:00, Dario Bonazza wrote: Charles Robinson wrote: On Nov 29, 2010, at 14:46, Dario Bonazza wrote: Is [11. WB Adjustable Range] in the [C Custom Setting 2] menu set to [Fixed]? If not, that could explain that behaviour. Don't ask me why one should select a given

Re: White Balance on K-7

2010-11-29 Thread Joseph McAllister
On Nov 29, 2010, at 14:24 , Charles Robinson wrote: On Nov 29, 2010, at 16:00, Dario Bonazza wrote: Charles Robinson wrote: On Nov 29, 2010, at 14:46, Dario Bonazza wrote: Is [11. WB Adjustable Range] in the [C Custom Setting 2] menu set to [Fixed]? If not, that could explain that

Re: White Balance on K-7

2010-11-29 Thread Miserere
I'm pretty sure it's what Dario is saying. When I received the K-5 last week the first thing I did was go through the Custom menu and change stuff like this. I don't understand why the default setting is to allow the camera to change WB when on AutoWB, but it is. On 29/11/2010, Dario Bonazza

Re: White Balance on K-7

2010-11-29 Thread John Sessoms
From: Igor Roshchin Yes, that could do it in principle, but it doesn't make sense in the current situation. Since I _fixed_ the WB to a particular setting, very slight changes shouldn't affect the WB. To better illustrate what I observe, - let me show you this image:

Re: White Balance on K-7

2010-11-29 Thread Dario Bonazza
Joseph McAllister wrote: B. Custom 12) Subtle or Strong variations in AWB or fixed should definitely be on Subtle to prevent the very wrong shift in your photos. No, that's another solution, for a problem other than the one we are discussing here and, in case, it's the other way round. That