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So is this the "white balance" issue everyone was talking about?
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Oh gee ......
Are those Florescent system shown on BH the same as in someones home or business?
I'm fairly certain they are not even close to what is used in a home or business.
In fact I know what they use, and it's not the same.
However if the OP wants to buy those systems and carry them with him I am sure they will do the job!
Again they are NOT THE SAME as what you find in a Home/Business.
They are balanced at 5400 Degree Kelvin
Read the specs.
ALSO .....
Check the Ballast on those systems compared to the ballasts on the average Florescent Light.
Check the Ballast on those systems compared to the ballasts on the average Florescent Light.
All iPhone4s do it. Some may show up more than others but they are all doing it. Here is a thread about it.
BTW this is not an iPhone4 only problem. This happens on many other smart phones and it did it on the 3G.
All the people that are saying they don't have the problem are not shooting in a room with florescent lighting.
Here is shot of white piece of paper under florescent lighting with a 3gs I have.
But for YOU I will fix my statement .....
The FLOURESCENT LIGHTING used in an average commercial / home installation IS EVIL.
Did you note the price on those special purpose systems?
The FLOURESCENT LIGHTING used in an average commercial / home installation IS EVIL.
Did you note the price on those special purpose systems?
All iPhone4s do it. Some may show up more than others but they are all doing it. Here is a thread about it.
BTW this is not an iPhone4 only problem. This happens on many other smart phones and it did it on the 3G.
All the people that are saying they don't have the problem are not shooting in a room with florescent lighting.
Here is shot of white piece of paper under florescent lighting with a 3gs I have.
Thank you, didn't see your response. Sorry about the PM.
All the people that are saying they don't have the problem are not shooting in a room with florescent lighting.
Here is shot of white piece of paper under florescent lighting with a 3gs I have.
hmmmmmm .... so you are saying that florescent lighting is the problem?
Honestly though, shooting a full frame of white paper is not a valid test.
Is that white paper really white? It may be to your eyes, you brain helps with that.
Maybe you need to use this .....
http://www.bhphotovideo.com/c/produ...age_Flow_DGK_2_Digital_Grey_Kard_Premium.html
or this .....
http://www.bhphotovideo.com/c/product/101853-REG/Delta_22030.html
http://www.bhphotovideo.com/c/produ...age_Flow_DGK_2_Digital_Grey_Kard_Premium.html
or this .....
http://www.bhphotovideo.com/c/product/101853-REG/Delta_22030.html
Since when does white balance in a camera effect only the center of the camera? The white balance is chosen and applied to the whole image after it's taken that's why on a DSLR you can use a raw file and adjust the white balance to anything you like.
This seems more like an issue with the coating on the lens or other optical elements.
This seems more like an issue with the coating on the lens or other optical elements.
I actually have used cheap florescent lighting for any many projects with great results. You just have to make sure you shoot at a slower shutter speed if you are trying to do automatic exposure, or manually adjust your exposure. If you white balance correctly, you should not have problems with any normal commercial/residential lighting.
Now it becomes a different story when you have Sunlight coming in from the windows, incandescent lights, and florescent lights.
Anyway back to the Phone 4.
It produces a Green middle area (outside edges are fine) so the main issue is not a white balance problem (which could be corrected in software). Only cheap cameras and other smartphone cameras do this. A standalone $200 or DSLR camera will not do this. With a normal camera if something is not white balance correctly, it affects the entire image, not just a circle area in the middle of the picture.
Exactly the point I was trying to make.
I am sure it has to do something with the lens and sensor being so small or close to each other.
With all this being said, I have to say that the iPhone takes amazing pictures for the size of the sensor and lens.
My money is on the lens causing the issue ... with other factors contributing.
The other issue can be alignment with the sensor plane as well.
And yes, you can compensate for the problems of florescent with a slower shutter speed. But does the iPhone have these adjustments? Does any cell phone have these adjustments?
I have found that in normal use the iPhone 4 does a very good job, even with video.
I was shooting a 4th Of July Parade with a Canon 7D - I made a bracket to hold the iphone in the hot shoe of the camera and if I wanted a video clip, I let the iPhone record it. The client I was shooting for was impressed with the iPhone video.
oh no! how am i supposed to continue my Photos of Plain White Paper photography project now?!?
It happens under all fluorescent lighting, it's just more obvious when you take a picture of something distinctly white.
Yep.
It gets more and more intense under bright florescent lighting.
Same Phone.
Under Florescent lighting
Now same phone and piece of paper with incandescent lighting.
You do realize different lighting effects color right? Flour/CFL lighting is the absolute WORST there is. Incandescent is not much better. Granted, these are your run of the mill bulbs, nothing fancy. When you get into 6.5k/Daylight Flour/CFL's and incandescent's, that's a different story.
This issue is really not an issue and should be no surprise to anyone.
Here are some Comparisons.
Taken in a small copier room with cheap florescent lighting as the only light source.
Nikdo D90 with Incandascent Setting. Color is Wrong but the color is wrong through the picture. Can be easily corrected via software filter.
Nikon D90 (White Balanced in room with piece of white paper)
Notice the nice smooth lighting
Picture Taken with iPhone 4 in same room with same lighting.
Color is off and this can not be corrected with a simple "software filter" since the color changes from the outside of the image towards the middle.
Picture taken outside. It still has the green glow in the middle but not as bad.
Most people will not notice this green issue. I never did the entire time I had my 3Gs and did some testing with it just a few days ago and it has the same problem (but not as bad).
For most uses, iPhone 4 pictures will look great like the photo below I took with my iPhone 4. (not retouched at all, just resized)
Taken in a small copier room with cheap florescent lighting as the only light source.
Nikdo D90 with Incandascent Setting. Color is Wrong but the color is wrong through the picture. Can be easily corrected via software filter.
Nikon D90 (White Balanced in room with piece of white paper)
Notice the nice smooth lighting
Picture Taken with iPhone 4 in same room with same lighting.
Color is off and this can not be corrected with a simple "software filter" since the color changes from the outside of the image towards the middle.
Picture taken outside. It still has the green glow in the middle but not as bad.
Most people will not notice this green issue. I never did the entire time I had my 3Gs and did some testing with it just a few days ago and it has the same problem (but not as bad).
For most uses, iPhone 4 pictures will look great like the photo below I took with my iPhone 4. (not retouched at all, just resized)
CFL Lighting is not the worst there is. I Have done many photo shoots under cheap Home Depot $3 each CFLs.
When you are are starting to mix light sources though like shooting something in a house, it is good to have daylight CFLs/floursents so it matches the natural daylight coming in, otherwise you will have unbalanced lighting.
Anway I don't want to get into a whole debate about color temperature of lights, etc. That is not the point. The fact is that color CHANGES depending on where it is location on the photo of the iPhone 4. Seems to be worse under CFLS thoughs.
The Nikon D90 does take a nice image as you should expect it to, but the color seems a bit off. I bet if you set the WB with a 1% Gray Card it would have come out better, at least you would know the WB is set accurately.
It was done in less than 30 seconds. The whole point is to show the the color is consistent across the whole image.
Just trying to show that the color is not consistent across a photo taken by the iPhone 4 and it has even more variance under florescent lighting.
Anyway I love my iPhone 4...
I think I know why the green is in the center of the image, and this makes sense. I think the green glow in the center represents the area where the iP4 is metering.
Personally I don't see it as an issue, and we've spent too much time on it already!
I love my iPhone 4 as well.
If I need to take a picture where color balance is an issue, a cell phone is never the tool for the job.