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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Stubborn dust spots on DSLR sensor but is this considered Normal?
I've researched, cleaned using swabs, air, and brush and it's better, but...are my expectations of defects unrealistic? I did learn that in LrC you can use the spot removal tool and the Visualize ...
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It is possible to take photos from the monochrome/depth/etc. camera sensors on an Android phone?
Newer phones usually have multiple camera sensors, including depth sensors, monochrome sensors, etc. These are usually used by camera apps to capture depth in order to create "bokeh" effects....
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Calculating FOV for mismatched lens/sensor size
I have this 50mm lens that gives the FOV for a 2/3" sensor in its spec sheet:
Diagonal: 12.6°
Horizontal: 10.1°
Vertical: 7.6°
I have this camera, which, according to its spec sheet, has a 1/2....
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How is picture format related to sensor format resolution?
The full resolution of the Samsung S23 is 50MP, the sensor has a 1/1.57" format.
If I take a photo in 9:16 format, the resulting images are only 37MP - so far so good, the full sensor isn't used ...
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Cameras with more than 3 color channelsa (ideally 12) and digital formatting
Apologies in advance for the superficial knowledge. I'm doing some sleuthing to help a friend who's about to do a research project and I showed him research on UV photography to find invsibile ...
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Building an imaging array with multiple sensors?
If I purchased two image sensors that had a resolution of 80x62 with 45 degree field of view, would there be an easy way to concentrate two sensors into a resolution of 2x(80x62) with a 45 degree ...
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Lens out of focus? - Digicam Panasonic Lumix DMC-FH20
Recently, the pictures on my digicam have been coming out like this (img 1) — out of focus, and with a black corner on the right. The black corner would disappear if I tilt the camera to the left (img ...
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How can I measure the flicker frequency of a light source with my phone?
I have a Hue light and want to measure the flicker frequency (due to the PWM) without buying an expensive photometer. Is it possible, to calculate it with such an Image, by counting the bars from the ...
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Giant bright spot on right of image in all photos?
I've had a Canon G1X (mk 1) in an outdoor enclosure for the last 2 years taking a timelapse (6 images every 10 minutes).
Recently all the images have a giant bright spot on the right side of each ...
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Is this a scratch or a smudge on the Sony A7iii sensor?
I recently bought a Sony A7iii and have been using it daily for the past 2 weeks. I noticed this on my sensor, are these scratches or can they cleaned by a camera sensor cleaning kit?
I have not ...
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Resolution on smaller vs larger sensors
I was reading this paper which states that
My question is in regards to the first paragraph. I was first imagining, that if I were to try to take the same photo on a smaller sensor as on a large ...
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Wrapping my head around the signal to noise ratio
To my knowledge the signal to noise ratio when talking about shot noise, is defined as the mean signal divided by the standard deviation. In the Poisson distribution, which can be used to model shot ...
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Airy disks and pixel pitch on circle of confusions?
I read in this paper by Toshiba, which is in regards to optics in machine vision, that
In machine vision, which processes each pixel of an image sensor at high brightness levels, the permissible ...
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How to Cut Sensor Filter Glass?
Context - I've modified my Sony A7S for astrophotography by removing LPF2. Upon doing so, I've found that my lenses no longer achieve focus at or near infinity (they're older A-mount manual lenses). I ...
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Are there any advantages of Tetra/Nonapixels in smartphone cameras over bigger pixels?
Newer Samsung smartphones have sensors with absurd pixel counts like 108 Mpx where pixel size is 0.8 micrometers but they are grouped in 3x3 arrays of the same color making them effectively 2.4 ...
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