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Questions tagged [image-sensors]

Image sensors, as used on still and video cameras.

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Why is CCD still alive?

I have met my dreams in a camera called PXW-X500 I thought CMOS had killed CCD after cheapness, global shutter revolution and years of advancements? Why is CCD still a thing?
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How does CMOS sensors without rolling shutters exist?

Doesnt it defy the laws of the psychics? How can a CMOS sensor have global shutter? It seems impossible but perhaps they merged the capture system of the CCD and merged it with the CMOS photodiode ...
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What happened to the 3CCD camcorders?

Back in the day they were everywhere [There was even a handheld Panasonic one!] but today they dont exist at all? I can't find any 3CCD camcorders with SD card video recording because I don't want to ...
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In what aspect ratio shoud one record with a DSLR?

This Question is not about what aspect ratio should be chosen for the final film, it's rather about how to get the biggest "resolution" capable of the cammera. When you take a photo with a Modern ...
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1answer
35 views

Focus in Video vs Focus in Image

This is kind of a weird question, but how does focus in video work? I understand how focus works for single, still images. And, I understand that a video is a sequence of images. However, unlike ...
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2answers
62 views

I want to insert my photo as background in my video which has white background

I just recorded a video of myself talking with background as white screen.Now i want to add my photo in that video, so that the final output should be like myself talking in a video with my photo in ...
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3answers
382 views

Is a 1/2.3" sensor good enough for tv?

I just purchased a Panasonic HC-X1000 but now having second thoughts because I only now learned that the image sensor, being a tiny 1/2.3" sensor, is no better than that in a compact camcorder or ...
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Image plane mark on Grass Valley Infinity

I'm working on a Grass Valley Infinity and for a specific application I need to know the image plane position (ie sensor position). But I can't find the image plane mark like this : So I have two ...
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2answers
170 views

Minimising image noise within the recording of indoor office environments

Background I have a Panasonic HDC-HS700 camera that I am using to record indoor office scenes. The scenes are illuminated predominantly by fluoro lighting, with little natural light, however there ...
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Avoiding motion blur from a network camera

I'm a newbie here. I have a problem that I don't really understand. Hopefully, someone can share their experience. If I have an ip camera of 1) 640x480(sensor width = 3.6mm), 2) focal length from ...
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113 views

What is the current status of rolling-shutter-free CMOS sensors on the market?

It is now common to have CMOS pixel matrices inside DSLRs and video cameras. However, when acquiring movies, these sensors suffer from artifacts known as rolling shutter effect, since they are due to ...
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Does anybody get a strobing effect when filming video with the D90?

I often shoot indoors for interviews with my D90, but I often get a sort of strobing with it. Check out the attached picture, to help you see it on a picture, I added red marking, so simply look on ...