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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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Why does it seem like large sensors are necessary for good low-light performance?

Phone manufacturers have recently started advertising the size of the photosites on smartphone camera sensors. They argue that larger photosites lead to better low-light performance. I think a good ...
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1answer
52 views

Why the photos captured from my mobile camera doesn't give a same results in same conditions?

Last night I was trying to create a time-lapse of the Orion constellation. Setting all the camera settings to manual (max ISO my mobile camera allows 1600 , shutter speed 1 sec), I was trying to ...
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2answers
63 views

photographing a full moon [duplicate]

I have photographed the moon zoomed out to 500mm or so with my Lumix FZ150 when the sky is not very dark and have successfully captured terrific detail in the moon's features. However, when trying to ...
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1answer
83 views

How does ISO setting change CCD/CMOS sensor behavior? [duplicate]

In order to understand the technology in a digital camera, I considered the following question: How does ISO setting change CCD/CMOS sensor behavior? For example, does ISO setting affect the amount ...
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1answer
151 views

Exmor RS. What value does it add to an 1" sensor?

Recently, new versions of Sony P&S cameras (DSC-RX10 II, DSC-RX100 IV) have emerged. They feature new 1" stacked CMOS image sensor called Exmor RS. I understand that this technology increases the ...
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0answers
29 views

How risky is removing the Hot Mirror Filter (IR Filter) from a DSLR's sensor? [duplicate]

I recently stumbled upon an astro photography tutorial which involved photographing the 'Milky Way' I was told to remove the IR filter (Hot mirror) from the sensor for better results, as it blocks ...
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0answers
234 views

Are mobile phone camera lenses good enough to support 20MP sensors?

With mobile phone cameras approaching 20 MP while maintaining small sensor sizes, pixels dimensions are typically around 1 μm or lower. What about the lenses? Are they good enough to produce an Airy ...
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0answers
92 views

Auto Capture with Camera - Sensor Activated

I have a camera challenge that I'm trying to solve. Are there ways to configure a camera to take images automatically, upon the the target being in a specified location? For example see, the video ...
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0answers
39 views

Does a smaller sensor give shallow depth of field? [duplicate]

I have read that a full frame sensor gives a more shallow depth of field if using the same lens as on a crop frame sensor. Is this true? What I actually want to know is how does this relate to a point ...
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0answers
93 views

Good examples of full frame's advantages over the cropped sensor? [duplicate]

There is a good topic on the site called "Good examples of RAW's advantages over JPEG?" There are many theoretical discussions over the internet including on this site about the full frame and ...
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40 views

Can hot days damage your camera? [duplicate]

Possible Duplicate: What will happen to a camera if it is taken to an environment beyond its operating temperature? I have a canon t3i and I am curious to know just how much heat they can ...
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Which is better: a smaller f-number lens or a bigger sensor size?

When choosing a camera, which of the following options would be the best in taking photo in low light situation and cropping photo situation? A smaller f-number lens with a bigger sensor size A ...