Purple Fringing on Oly and Pany Bodies: Causes and Remedies

Started Jun 7, 2013 | Discussions thread
OP Anders W Forum Pro • Posts: 21,468
Re: Purple Fringing on Oly and Pany Bodies: Causes and Remedies

Alumna Gorp wrote:

I tried my Pany 14mm on the OMD and tried to capture some CA, there was a whole lot less than I was expecting,

The 14 has at least as much of the problem I am illustrating as the 20. However, how much of it you see is strongly scene dependent. Here I picked a scene where it is maximally visible: Intensely white bars against a nearly black backgroud.

You find some good illustrations (although not quite as intense as the one I use in this thread) of how this works out with the 14 here


and here


and what little was there was easily removed in LR using the sliders.

As I pointed out in my OP, you can remove it with the LR defringe tool all right but there are downsides to that solution. You find a description of those downsides here


and an illustration here


 Anders W's gear list:Anders W's gear list
Panasonic Lumix DMC-G1 Olympus OM-D E-M5 Olympus E-M1 Panasonic Lumix G Vario 14-45mm F3.5-5.6 ASPH OIS Panasonic Lumix G Vario 7-14mm F4 ASPH +28 more
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