Lightnings taking a ride

by ceinmart

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8
votes
1answer
625 views

What causes this strange Posterization when changing to B&W?

I have this image that was taken several years ago with a D70. It was taken at 1600 ISO which obviously makes it quite noisy. I really want to convert it to black and white, but when I desaturate ...
6
votes
2answers
4k views

Why does darkening skies in Photoshop cause banding, and how can I avoid it?

I am pretty new to Photoshop (I have Elements 10). When I darken highlights I find that the sky ends up in bands. I have read advice that says to reduce the effect of this by using either blur or ...
6
votes
2answers
399 views

What causes a band-like pattern in photos of a CFL?

CFL Image The image in the above link is that of a compact fluorescent light bulb. I couldn't figure out the reason for the formation of light and dark bands sort of thing in the image. The same ...
4
votes
2answers
5k views

What causes banding noise?

I'm looking for information (and references) on three related topics: What causes banding noise in CMOS sensors? What is the physical/technological cause? Is the cause the same in CCD and CMOS ...
2
votes
1answer
176 views

What is the cause of black bars on a photo of AMOLED display?

What is the cause of those black bars on the picture? Their orientation changes by moving the camera. The display is of a Samsung Galaxy S3 (i9300), an AMOLED display, set to minimum brightness, ...
1
vote
1answer
322 views

Why do I get dark horizontal lines (stripes or bands) in bad lighting with my Fuji X-T1?

Can anyone explain why I get those lines when taking photos in a bad/weak lightning ? I attached some photos.
1
vote
1answer
116 views

How can I remove banding noise from this image?

I'm an complete newbie in photography and I'm trying to use the Sigma 70-300mm F4-5.6 APO lens and a Guppy camera(you can think of it as a processor that captures light rather than an actual camera) ...