Questions tagged [sensor]

A sensor is the digital camera's equivalent to film. It contains millions of tiny light-detecting areas called photosites, which convert light into an electric charge. After exposing the sensor to light, this charge is read from each pixel and converted into a digital image.

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Random discolored pixel rows

I have recently discovered 5 instances of images where a single pixel row is discolored, kind of what you experience with hot pixels. What I find weird about it is that if I look at the position of ...
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1answer
154 views

Sensor Scratched/Marks

I need some feedback on what these marks might be. Iso: 100, Aperture: f22, Shutter: 1/8. Applied "DEHAZE" in Lightroom so that the you can see the lines clearer. Ignore the sunflare to the ...
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617 views

Why do I get white images with black vertical stripes?

Apparently my 3 year old Canon EOS 550D is fed up with my style of photography and decided to explore abstract arts instead. All it shows on the LCD and stores on the SD card is this: When I attempt ...
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0answers
120 views

What is the cause of these colored dots?

I recently bought a used Canon 6D with the 24-105 f/4 L USM kit lens. After shooting some outdoor pictures at night, I noticed some colored pixels or dots in the images, especially at longer exposures ...
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1answer
126 views

Full Well Capacity Questions

As I understand it, there are two potential limiting factors on full well capacity. a) adc bit depth and gain, b) pixel size and ability to absorb photons Whichever is the smaller value (in electrons),...
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39 views

Are any common (optical) filters useful to attenuate overwhelming blue spotlights in live music situations?

Strong blue spotlights as typically used on outdoor stages are often so physically bright (which I guess they have to be, given how viewers perceive blue as very dark) that they provoke channel ...
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246 views

What is causing these artifacts in a photo of lightning?

What are the almost pixelated edges in this photo called? What would cause it? The photo is cropped so it stands out more. I find it often happens with highlights with softer edges. You may need to ...
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37 views

Menu/Picture Preview NA, Automatic Focus not working

I have a Canon Rebel XSI. It is from 2008. Original everything except lense. I cannot get the menu option to display in any mode, pushing the button does nothing. I cannot get any pictures I recently ...
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96 views

Capturing Lightning with Pi Camera - Hard purple lines in overexposed area

Can I fix the purple lines in this image in capture processing on my Pi HQ Camera? When shooting long exposures at night, my Pi HQ Camera has purple line artefacts where the lightning strikes, or ...
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556 views

Is it normal for the Canon 6D to exhibit more color noise compared to a 50D?

My first day with 6D, upgraded from a 50D. Wouldn't be pixel-peeping but something unusual caught my eye when I opened photos in Lightroom this morning. The color noise pattern is completely different ...