Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
10-30-2013, 04:42 AM   #1
Pentaxian
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,631
colour balance between 2 k 5 bodies

not sure if this is the correct forum for this but please advise or move if not.

I have 2 x k 5 bodies, looking at a sample subject of a painted polystyrene head with a wig shot under same light and with same lens on each body and using same camera card , both bodies set identically as far as I can see there is a obvious difference in the tones,

i tried creating colour profiles with my colour passport checker but that does not seem to fix it either

i can upload images that show this as jpegs and the test color passport checker images as well is that what you will want to see to give a opinion?

if so what size as i will have to turn them to jepgs to upload them

10-30-2013, 04:46 AM   #2
Pentaxian
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,631
Original Poster
ok files attached here exif data should be intact see if you can spot why?
Attached Images
View Picture EXIF
PENTAX K-5  Photo 
View Picture EXIF
PENTAX K-5  Photo 
View Picture EXIF
PENTAX K-5  Photo 
View Picture EXIF
PENTAX K-5  Photo 
10-30-2013, 05:07 AM   #3
Pentaxian
carrrlangas's Avatar

Join Date: Mar 2012
Location: Cottbus (Berlin)
Photos: Gallery
Posts: 1,738
are you using auto white balance or the specific one for tungsten light? If itīs the latter, take a look at option 10 in menu C 2, "White balance adjustment range", where you can choose between Auto (automaticaly adjusts white balance even when light source is specified) and Fixed.

If both cameras are in AWB, make sure they are both without any corrections. (click WB button "left arrow", then "right arrow" to access color tunning and green button to reset it)

Also, from exif data, metering mode is different between the cameras, and so thereīs 1/2 stop difference in shutter speed.
10-30-2013, 05:12 AM   #4
Pentaxian
Na Horuk's Avatar

Join Date: Feb 2012
Location: Slovenia, probably
Photos: Gallery | Albums
Posts: 10,331
There might also be an option for tungsten WB "strong correction", which can be on/off. And I assume you are shooting raw, but just to be clear, the jpeg rendering can be modified (the bright, vibrant, portrait, landscape, etc. options) and it affects colours.
The other thing that may affect the image is the type of metering used (spot, matrix).
And sometimes even a small shift in viewing angle can trigger different metering and WB, or capture light that reflects differently.

Of course, it might also be a lens that renders more warmly for some reason. Or a filter. It would be odd if the camera's sensors would be calibrated differently

10-30-2013, 05:13 AM   #5
Pentaxian
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,631
Original Poster
hi i also thought after I posted about the awb setting in both bodies so I took the third grey from the left on one of the checker images to create a white bal and applied it to that checker image and the two head images it improved the similarity between them but did not get them the same.

yes all shot in raw so no jpeg in camera settings applied. the images I uploaded are as shot then converted in LR to jpeg no other adjustments made in LR

you are looking at what i first saw
10-30-2013, 05:24 AM   #6
Pentaxian
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,631
Original Poster
it's a white balance problem, if i use auto wb in LR they come out the same , so obviously the auto wb in both bodies are not the same although both are set to mid point

i will have to retry taking the images on a fixed wb setting and see what happens.
10-30-2013, 05:27 AM   #7
Pentaxian
adwb's Avatar

Join Date: Sep 2009
Location: Bristol UK
Photos: Gallery
Posts: 1,631
Original Poster
QuoteOriginally posted by carrrlangas Quote
are you using auto white balance or the specific one for tungsten light? If itīs the latter, take a look at option 10 in menu C 2, "White balance adjustment range", where you can choose between Auto (automaticaly adjusts white balance even when light source is specified) and Fixed.

If both cameras are in AWB, make sure they are both without any corrections. (click WB button "left arrow", then "right arrow" to access color tunning and green button to reset it)

Also, from exif data, metering mode is different between the cameras, and so thereīs 1/2 stop difference in shutter speed.
the body B was in spot metering and the other in centre weighted i will see if that caused the WB difference
10-30-2013, 06:50 AM   #8
Site Supporter




Join Date: May 2012
Location: Adelaide
Photos: Gallery | Albums
Posts: 1,082
What temperature and tint settings are showing for the various images in LR when WB is set in the Develop module to "As shot"? This will give a clue as to how each body is interpreting the scene.

Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
bodies, camera, checker, colour, dslr, images, k-5, k-5 ii, k-5 iis, k5, passport, pentax k-5, upload
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
1st colour roll...white balance all over the place? D4rknezz Pentax Film SLR Discussion 6 07-02-2013 04:44 PM
Flickr not differentiating between K-5, K-5 II, and K-5 II s Corby Pentax K-5 5 04-27-2013 04:05 PM
K5 Colour Balance with studio lighting Dunc's Troubleshooting and Beginner Help 6 07-17-2012 10:40 AM
Balance between a teaching camera and a backup camera for my K-5 MSL Pentax DSLR Discussion 20 03-08-2012 08:08 PM



All times are GMT -7. The time now is 04:54 PM. | See also: NikonForums.com, part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top