35 votes

Why am I getting a small black patch when I take photos?

To investigate sensor dust, perform the following test: Close your aperture as much as possible (high F-number). This makes the sensor dust more visible. Increase the focal length as much as ...
user avatar
  • 1,402
27 votes

Why am I getting a small black patch when I take photos?

There's probably something on the sensor - maybe a dust particle. You can check if the Canon camera has a sensor cleaning option and use it or take the camera to a local repair shop and have the ...
user avatar
14 votes

Why am I getting a small black patch when I take photos?

Dust on the sensor, as other answers have suggested, is a strong possibility. Another possibility is dust on the rear element of the lens. If you change to a different lens and the spots go away, that'...
user avatar
9 votes
Accepted

How many stops are there between middle gray and white point?

IntroBased on your questions, I get the impression that you miss one important point, and that is the difference between: light perception in the real world, light perception in the world as humans ...
user avatar
  • 839
6 votes

How do I stop having a black screen in manual mode

I have tried changing the aperture and shutter speed but it didn't help. Not to state the obvious, but what you change the aperture and shutter speeds to matters a lot. What were the settings you ...
user avatar
  • 31.2k
6 votes
Accepted

How can I make sure a dark background comes out pure black with a smartphone?

One thing that hasn't been mentioned is that you need to achieve the highest separation between foreground and background lighting, so if you can find a way to lift the coin above the surface, you can ...
user avatar
  • 2,119
6 votes

How can I make sure a dark background comes out pure black with a smartphone?

More exposure makes black look gray, and Less exposure makes gray look more black. But in practice, for your coins on a jet black background, your best investment would be a yard of black dress velvet ...
user avatar
  • 12.5k
5 votes

Nikon J1, takes pictures but they are all black, doesn't seem to "see" things, lens not the problem

My guess, without more info is that you have accidently changed your camera's mode to 'manual'. Press the 'Menu' button, then click 'Exposue Mode' using the control dial. Next choose 'P' for program ...
user avatar
  • 51
5 votes

How do I stop having a black screen in manual mode

When you're in manual mode, you can shoot yourself in the foot all you want. This includes underexposing to the point of having a black frame. Check your meter. Unlike all the other automated modes, ...
user avatar
  • 48.9k
4 votes

How to take Black and White photos without pure black?

If your camera supported custom tone curves, you'd be able to get a similar result to this straight out of camera. Unfortunately, yours doesn't, so your only option is post-processing. There are ...
user avatar
  • 13.2k
4 votes

How to take Black and White photos without pure black?

Your best would be to find a PictureStyle that fits your needs. There's a QuickGuide to Picture Style Settings and Customization pdf that will get you started. It is from the Canon Digital Learning ...
user avatar
  • 8,334
4 votes

Why am I getting a small black patch when I take photos?

Also, try to avoid using very small apertures (f/11 or f/16 or even higher) until you have an opportunity to clean the sensor or get it cleaned - small apertures make dust particles on the sensor far ...
user avatar
3 votes

Is black a color or a lack of color?

Is black a color or a lack of color? That all depends on how you define color, and whether you are considering additive (e.g. you can't combine different colors of light to create light that is "...
user avatar
  • 167k
3 votes

How can I make sure a dark background comes out pure black with a smartphone?

Use a camera app that allows you to manual control. The automatic exposure is going to try to make the scene a standard, neutral brightness — which means it will adjust so your dark background is gray....
user avatar
  • 140k
3 votes

How can I make sure a dark background comes out pure black with a smartphone?

"Color" would be if you had something white coming out with tinge of a color. I assume that you mean that the black came out as gray instead of black, much lighter than you expected. To correct for ...
user avatar
  • 2,040
3 votes

Why am I getting a small black patch when I take photos?

If you see the same spots on all photo this is definitely dust spot on sensor. To be precise this dust do not touch sensor itself but the filters in front of the sensor. To clean this you can try few ...
user avatar
  • 9,253
2 votes

Black clipping paranoia - rational fear or over critical?

Black clipping has by no means to be a defect. For example an image that just shows the silhouette of a motive uses black clipping as a graphical effect. However, usually one tries to avoid black ...
user avatar
  • 121
2 votes

Black clipping paranoia - rational fear or over critical?

The questions are: Are you losing detail in the black region that affects the quality of your photo? E.g. if you have some dark texture there, clipping at black would kind of make the photo more ...
user avatar
  • 6,097
2 votes

Is black a color or a lack of color?

Black is a color Black is the absence of light but that is not the same as absense of color. Color is a phisical-phisiological-perceptual-psycological-cultural interpretation of light and shadows. ...
user avatar
  • 20.7k
2 votes

Is black a color or a lack of color?

This is similar to the "Actually, tomatoes are fruit, not vegetables" factoid — but even more complicated. In plain English, black is definitely a color. You will find it very clearly defined that ...
user avatar
  • 140k
2 votes

Is black a color or a lack of color?

Light is energy. This is defined as electromagnetic waves. These energy waves are outputted by the sun, stars as well as other sources like artificial light from light bulbs etc. We also get light ...
user avatar
2 votes

Is black a color or a lack of color?

This is really a philosophy and metaphysics and psychology and all sorts of question far outside the realm of photography but to simplify it as best I can: There are four things required for color ...
user avatar
  • 2,417
2 votes

Clear-cut black corners with some superzoom photos

Since the output from the lens toward the sensor is circular the odds are that something which is the same shape as the sensor is blocking parts of the image pathway. As lens hoods are usually ...
user avatar
  • 9,430
1 vote

How do I convert a person in a photograph to an all-black silhouette?

Here are two easy ways, but first, convert your image to grayscale (Image > Mode > Grayscale). In each case what you're trying to achieve is increased contrast, i.e. fewer gray levels between white ...
user avatar
1 vote

Is black a color or a lack of color?

Since in photography black is never the absolute black, I would say that for purposes of us photographers and color management enthusiasts, the black is a color. If you think black is not a color, ...
user avatar
  • 5,115
1 vote

Is black a color or a lack of color?

Visible light is part of the electromagnetic spectrum, our eyes can perceive only a small fraction of this spectrum, from black to white... the lack of light or poor light is perceived as black. Our ...
user avatar
1 vote

How can I make sure a dark background comes out pure black with a smartphone?

I do not think so. Normally the exposure is set to detect the average light and translate that to middle gray. But if your camera has some kind of histogram, or a built in app that can edit your ...
user avatar
  • 20.7k
1 vote
Accepted

How to take Black and White photos without pure black?

I think there is a missconception of post processing. Adjusting Camera settings is doing a post process but not done by yourself, but the camera. I don't imagine a camera that renders a black as ...
user avatar
  • 20.7k
1 vote

Nikon J1, takes pictures but they are all black, doesn't seem to "see" things, lens not the problem

Try cleaning the contacts with electrical cleaner with a cotton bud .The camera body and lens may not be communicating as they should.
user avatar
  • 11
1 vote

Nikon J1, takes pictures but they are all black, doesn't seem to "see" things, lens not the problem

See this thread at dpreview.com. Several people have posted there that they have the same problem with the J1 using the 10-30mm. Nikon issued a service advisory to correct/repair a design flaw with ...
user avatar
  • 31k

Only top scored, non community-wiki answers of a minimum length are eligible