Orquid "Phoenix"

Orquid "Phoenix"

by ceinmart

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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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1k views

Nikon D600: how to fix hundreds of photos with dust on them?

Like many D600 owners, I'm hoping that the dust on sensor issue that comes with this otherwise nice camera will somehow solve itself. In the meantime, I have hundreds of shots that I took with an ...
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2answers
365 views

Canon 1Ds Mk II's scratched Low Pass filter. Now what?

Besides our workhorses (Canon 5D3 and 60D), we have an old camera - Canon 1Ds Mk II which has its OLPF scratched. That is, the camera works (ok, more or less because the signs of time are present on ...
2
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1answer
223 views

What is causing this one line on all my photos from Nikon D3100?

Whenever I take a picture with my dslr, there is a strange line that shows up on the left of the picture all the time. Can this be fixed my myself, or do I have to send this one in?
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1answer
140 views

What is the precise definition of SNR, as used by DxOmark?

What is the precise definition of signal to noise ratio, as used by DxOmark? Please see here, after clicking Measurements, SNR 18% (it's not directly linkable). I am looking for an explanation (in ...
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2answers
134 views

Why can I recover more highlights RAW files from some cameras than from others?

I have two cameras that both shoot raw: Nikon D800 and Fujifilm X20. When editing I have discovered that I can recover a lot more information from a D800 raw image than a X20 raw image. Is it because ...
2
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1answer
120 views

Does security scanning a camera with battery inside cause damage to the sensor?

I was at 911 memorial last week. My Fuji S-1 Pro camera was scanned with the battery installed. Security personnel would not let me remove battery. Since then, a dark spot shows up on photos. This has ...
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0answers
83 views

How Focal Lengths is related to Sensor Size? [duplicate]

Possible Duplicate: What is the difference between focal length and crop factor? I was watching a video review of Tamron 70-300 lens where he mentioned that effective Focal length for a ...
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4answers
225 views

Have DSLR sensors made improvements since the transition to CMOS?

I know that CMOS sensors appeared in the beginning of 90s, and evolved up to 2000s. I'm mainly talking about high ISO photos quality. For example, Canon 5D mark 3 has better results in high ISO tests ...
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3answers
395 views

Which camera/lens combination achieves the highest possible image quality for macro?

Doing lots and lots of research I have a hard time time finding the ultimate answer to this question. I would like to shoot macro and products and aim for maximum sharpness and reproduction. Maximum ...
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1answer
86 views

What are the main limiting factors for dynamic range in modern cameras?

Another question got me thinking about what is limiting dynamic range in digital cameras. From my understanding the precision of the analogue-to-digital converter, i.e. how many discrete levels it can ...
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1answer
180 views

Do video cameras use the same image sensors as still cameras?

Do video cameras have the image sensors cameras have? I really don't know what I'm talking about, so if the answer was explained, I would really appreciate it.
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1answer
56 views

Same mfg process = same performance in FF vs. cropped sensor?

I've seen generalizations that full-frame sensors tend to exhibit better low-light performance and dynamic range than a cropped-sensor specifically because they tend to use larger photosites that ...
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2answers
73 views

Point and Shoot sensor

In a point and shoot camera, is the sensor exposed even when the camera is off? ie. If the camera is off, can the sun still damage the sensor? Thanks very much.
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3answers
226 views

How much does the sensor affect image quality if shooting in RAW?

Knowing there are different sized sensors and a nearly unlimited combination of lenses with the various cameras, since RAW captures RAW light data, how much does the sensor itself play a role in ...
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4answers
432 views

Question About the D600 Dirty Sensor Test - Why Use a High f-Stop? [duplicate]

There is a lot of buzz about the dirty sensor problem on the D600, which is apparently caused by some lubricant splattering onto the sensor and accumulating over time. My question is about the test ...
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1answer
669 views

how does full frame cameras give better bokeh than crop sensor? [duplicate]

Possible Duplicate: When do the differences between APS-C and full frame sensors matter, and why? Why does a bigger sensor lead to a shallower depth of field? When I compare my camera ...
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2answers
331 views

Sony A7R Noise compared to Nikon D800/E Sample Explanation

I am looking for a high resolution camera for fine art prints and the Sony A7R seems great since it has the same Sensor res as the D800 in a smaller enclosure. For some reason when I look at sample ...
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2answers
990 views

How can I clean the sensor on a Panasonic LX5 compact camera?

I've noticed there appear to be some specs of dirt on the sensor of my panasonic LX5 and was wondering if anyone had any tips on how to clean the sensor on this camera? I found this link which has ...
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3answers
150 views

How does the spectral sensitivity of different sensors affect the resulting photo?

I am learning about light and color formation but I don't understand how does the sensitivity affects an image. Take for instance the different sensitivities for two "cameras" for each RGB channel ...
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1answer
1k views

What is causing this white spot in every photo with my D90?

Recently I noticed that the photographs from my D90 has an odd white dot in it. The dot is present in every image. The dot becomes clearly visible as I zoom into the image. I have attached a photo ...
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3answers
338 views

Do these colored streaks mean that my CF card is bad?

I have been shooting with the same Nikon d700 for about three years (about 200k clicks). I started seeing a streak run across one out of every 250 images (example here: http://wp.me/aRb6L-1lT). So, I ...
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1answer
93 views

Does a deeper photosite increase the dynamic range?

As I understand, a bigger photosite (on the sensor) enables a bigger dynamic range and also better high ISO performance. Is there a reason not to make the photosite deeper?
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0answers
68 views

Bright dots on all images [duplicate]

Possible Duplicate: Why is my camera showing a lot of stuck red and white pixels? Recently I noticed that on every picture I take, there are some tiny (close to pixel size) bright dots ...
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4answers
88 views

Dark spots - sensor toast?

I can't seem to get rid of some very annoying dark spots that are very noticeable under certain lighting conditions. I've taken a test shot of my monitor showing a white background and amped up the ...
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4answers
448 views

Shooting 50mm EF vs EF-S

I have a Canon EOS 550D with a APS-C sensor. I have two lenses, (1) Canon EF-S 18-135mm f/3.5-5.6 IS and the (2) Canon EF 50mm f/1.8 Mk II. If I use the 50mm focal length in the first EF-S lens... I ...
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2answers
89 views

why is a compact sensor brighter than a APS-C size sensor

So I may be missing something but I cannot think what it can be. I have a Sony compact hx9v and an NEX-6. the 16mm on the NEX is very similar to the compact at its widest, so I thought I would ...
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3answers
64 views

A/D conversion, processors marketed less actively than sensor characteristics?

Two questions: In most literature about digital photography, there is some info-graphics about the path of the light signal from sensor to the storage. It starts with sensor, then there is the ...
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2answers
4k views

What is the difference between APS-C and Full Frame sensor? [duplicate]

Possible Duplicate: When do the differences between APS-C and full frame sensors matter, and why? I was doing research in buying the Sony NEX-7 camera, but today the news was all about the ...
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1answer
51 views

What is the MECHA DEVICE SERVICE in the Sony Alpha 7

It just came back from the repair with a listing that this part was changed out A1976128A. Any idea what it is? I'm guessing it's the sensor, but it's weirdly named.. nothing else comes up on google.
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1answer
3k views

DSLR Sensors vs Exmor APS HD CMOS Sensors, Product Recommendation [duplicate]

Possible Duplicate: What should I look for when shopping for my first DSLR? I'm a tad new towards DSLRs and Compact DSLRs (am I calling them right?), but here goes - What are the ...
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1answer
138 views

Has Canon released any point and shoot cameras without optical low-pass filters?

Do either the Canon PowerShot SD880 IS or the S100 have anti-aliasing filters? If so, has Canon announced any P&S model(s) without OLPFs?
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0answers
36 views

Distance and angle of a object using camera related sensor [duplicate]

Firstly I m not a photographer but I m trying to solve a problem and I think photography stack exchange might have some help for me. I saw following post and I have a follow up question. I know ...
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0answers
86 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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0answers
37 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 ...