Forgot Password
Pentax Camera Forums Home

Show Printable Version Search this Thread
09-29-2012, 12:07 AM   #1
Site Supporter
skid2964's Avatar

Join Date: May 2008
Location: USA
Posts: 603
K5 possible issue, dark banding in photos

I've taken alot of photos at the same football field in the same conditions with my K-x, K2000 and *istD and I have never seen this before.
Dark banding that shows up accross the top, middle or bottom of my photos..

See the photos here: (all taken at high ISO, 6400 and 12800)

Dark at bottom, see the brownish color? It should be green like the rest of the field.

Dark mid to top

Dark more towards middle to bottom

Two taken within a second of each other, one dark at bottom, one dark at top

This one looks normal, colors ok top to bottom

09-29-2012, 12:12 AM   #2
RonHendriks1966's Avatar

Join Date: Jan 2009
Photos: Gallery
Posts: 8,714
Well pushing the limits with already underexposure does give some side-effects I think.
09-29-2012, 01:42 AM   #3
KevinR's Avatar

Join Date: Jan 2010
Location: Cape Town, South Africa
Photos: Gallery | Albums
Posts: 646
Have you previously used such high shutter speeds under these lighting conditions? EXIF data shows above 1/400s. This could very likely be strobing between the light flicker and the shutter openings.

I think anything above 1/180s means that the shutter is not entirely open at any given time, and in order to synch with a full cycle of a single phase of the light you would need to be below 1/60s, but you might get reasonable results at 1/180s because of the 3 phases of electrical lighting used.
09-29-2012, 01:48 AM   #4
aurele's Avatar

Join Date: Jan 2011
Location: Paris, France
Photos: Albums
Posts: 2,967
when i shoot indoor comps of sport climbing, i found to have sometime the same kind of issue. I found that i can be due to the lighting.

depending on the area of the field, the light isn't strictly uniform and thus, give you this kind of artefacts.

reducing the iso, increase the DR and help to compensate it.

09-29-2012, 04:18 AM   #5
Site Supporter
skid2964's Avatar

Join Date: May 2008
Location: USA
Posts: 603
Original Poster
I thought about that but raised the question becuase I had not seen it before with my other cameras. But it makes sense... with my other cameras I can not shoot at this high of an ISO, hence slower shuitter speeds. I will go back and compare shutter speeds with older photos.
09-29-2012, 06:02 AM   #6

Join Date: Jun 2009
Location: GMT +10
Photos: Albums
Posts: 10,834
I'll also put my 2c in for the issue being related to the frequency of the lighting in relation to your shutter speed. The camera shutter and lighting are being slightly out of phase.
09-29-2012, 06:24 AM   #7
Loyal Site Supporter
bwDraco's Avatar

Join Date: Jul 2010
Location: New York
Photos: Albums
Posts: 1,015
I have to agree that the lighting is responsible for this. I've dealt with this myself shooting basketball in an indoor court.

09-29-2012, 06:34 AM   #8
Veteran Member
treebeard's Avatar

Join Date: Nov 2008
Location: Windham, NH
Photos: Gallery | Albums
Posts: 795
Has to be lighting, I have seen it when shooting Nikon and Canon as well.


  • 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!
bottom, camera, dslr, field, k-5, k-5 ii, k-5 iis, k5, middle, pentax k-5, photos
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
K200D Vertical Banding Issue Raylon Pentax DSLR Discussion 3 09-17-2010 04:21 AM
Please help: K7 banding issue kytra Pentax DSLR Discussion 9 08-04-2010 12:10 AM
Is this a banding issue? kevinschoenmakers Pentax DSLR Discussion 8 05-21-2010 01:36 AM
K20D banding issue Phaser Pentax DSLR Discussion 8 03-17-2010 02:08 AM
So is there any consensus about the K-7 banding issue? richtrav Pentax DSLR Discussion 6 08-13-2009 09:21 PM

All times are GMT -7. The time now is 01:27 PM. | See also:, 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?
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]