Rainbow Coloured Building

[Paul Glendell]

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Hello I hope the photo that I think I have attached to this is actually attached or the thread will be pointless.

 

What has caused this rather strange effect. I am of course using an M8, the lens, I think as I don't have codeing, is a pretty old 35 mm lux with no IR filter. The photo I hope you can see is from the top left of the frame and is probably less than an 1/8th of the whole photo.

Is this just one of the querks of the M8. I have not seen it on any other photos I have taken

Thanks in advance

 

 

Paul

 

http://www.glendell.co.uk

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[Nicoleica]

Hi, I think that this is a classic example of colour moire. The M8 doesn't have a filter to prevent moire, and can suffer from it at times. The upside is that you get generally sharper images from an M8 than from a camera with a filter, but occasionally you will get some moire. There are various ways to reduce this in post processing, depending upon which software you are using. Another thing is, I've noticed that in-camera JPG images from the M8 tend to be generally free of moire. That's one reason why my M8 was always set to best quality JPG and DNG. If I encountered moire, I could normally use the JPG file without doing some fancy pp work.

[Paul Glendell]

Hello Nicole

 

Many thanks for the reply - I have never come across this before. I too generally take DNG and jpegs fine images. I looked at the jpeg and it does appear less prominant but it is still very noticable. I am not sure how to post process it out . I am using capture 1 so if anyone does know itmay be helpful for the future but I guess I can generally live with it.

 

regards

 

Paul

[ho_co]

Paul, I think Nicole has it right.

 

There've been several examples of it, and several recommendations on how to eliminate it. Use the Forum's "search" function and look for moire or moiré.

 

Of course, every case is different, but I think one suggestion was just to desaturate the colors in that section, and someone else suggested making a layer of a "smart object" in Photoshop. And there are dedicated moiré removers, so you might want to try the term in Google as well.

 

IOW, there are probably at least 20 ways to attack it, and doubtless at least 30 of them have been tried and documented on the Forum.