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DPChallenge Forums >> Tips, Tricks, and Q&A >> Chromatic Aberrations
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Showing posts 1 - 5 of 5, (reverse)
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Sony DSC-F707
 07/22/2002 03:16:33 PM · #1
I'm wondering if anyone that uses filters has noticed an increase in chromatic aberrations or purple fringes when adding filters to your lens. I was taking photos yesterday of some ducks in a pond and it was a very bright and contrasty day so there were lots of bright reflections in the water that looked pretty cool. I had my UV protector and a polarizer filter on my camera. Later when I looked at my photos I thought there might have been more purple fringes then normal. It made me wonder if it was just the perfect situation to pronounce that effect, if the additional filters were helping to cause it, or both I'll probably need to experiment and find out for myself but I thought I would see what you think.

Tim J
Sony Alpha a6400
Sony E 16-50mm f/3.5-5.6 PZ OSS
 07/22/2002 03:20:26 PM · #2
Take the UV protector off and use just the polarizer. This combination of filters has not worked well for me in the past. I do see several different kinds of image degradation when I stack filters on my F707.

The polarizer is giving you the UV filtering, so you can remove an extra layer of glass...
 07/22/2002 03:38:25 PM · #3
I agree with jmsetzler on this. Each layer of glass is causing you to loose an F stop. I have also had problems with vignettes in the four corners of the picture when stacking filters. You will probably be able to get the rich color with just the polarizer.
Panasonic DMC-FZ30
 07/22/2002 04:08:27 PM · #4
can you post samples?

Originally posted by timj351:
I'm wondering if anyone that uses filters has noticed an increase in chromatic aberrations or purple fringes when adding filters to your lens. I was taking photos yesterday of some ducks in a pond and it was a very bright and contrasty day so there were lots of bright reflections in the water that looked pretty cool. I had my UV protector and a polarizer filter on my camera. Later when I looked at my photos I thought there might have been more purple fringes then normal. It made me wonder if it was just the perfect situation to pronounce that effect, if the additional filters were helping to cause it, or both I'll probably need to experiment and find out for myself but I thought I would see what you think.

Tim J


Sony DSC-F707
 07/22/2002 04:45:05 PM · #5
I've got a couple of samples here.
These are straight from the camera. You can see the problem areas around the bright reflections in the water. I realize now that I should have removed my UV protective filter when I was using the polarizer. I even thought about it before-hand but I wasn't sure it was necessary. Most of these were for practice anyway so they are obviously not award winning photos.

Tim
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