hardware – strange noise (weak camera shutter noise) on Samsung A3 (2017)

My Samsung A3 (2017) phone sometimes has a strange noise, like a weak camera shutter noise, regardless of the application that is running.

There are similar questions but unanswered.

I have tried a hard reset. During phone setup after reset, I heard the sound again!
The reset apparently did not help.

Is this a hardware problem? software malfunction? any information on this?

After the mechanical shutter of a mirrorless camera, can it still record videos?

A similar question has already been asked about DSLR cameras, but it may very well be different in a mirrorless camera (please refer to this page).

So here are my questions:

  1. Will he still be able to record videos?

  2. If he has an electronic shutter, will he still be able to take pictures?

Please don't say, Don't worry about the mechanical shutter. It is very unlikely that you will wear it before it is exceeded. I don't care; I'm just curious.

35 mm – Press the shutter button without advancing the film, did I create a double exposure?

Usually an analog camera does not create a double exposure when you press the shutter again, without advancing the film. The film advance process also strengthens the shutter mechanism. So if the film is not advanced, nothing happens.

There are cameras that have a special function for making double exposures, allowing you to rearm the shutter without advancing the film. The image would then include the two overlapping exposures. It can be used creatively.

With film, this would not overwrite the image, but it might seem that your first photo was very dark and the second very clear.

film – Press the shutter button several times

Usually an analog camera does not create double exposure by pressing the shutter again, without rewinding. The rewinding process also sets in motion the shutter mechanism, so nothing happens.

There are cameras that have a special function for making double exposures. The image would then include the two overlapping exposures. It can be used creatively.

With a movie, this would not overwrite the image, but it might look like this if the first photo was very dark and the second very bright.

How do you know how noisy the shutter noise from a camera is?

I'm looking for a camera (inexpensive, second-hand) with an almost silent shutter sound that allows for decent photos in low light conditions.

The main reason is to take photos in churches.

How do you know how noisy a camera is when shooting?

I already know that I have to look for mirrorless cameras with a "big" sensor (such as an APS-C sensor).

I have watched several camera reviews on YouTube, but I have not found any video where the sound of the shutter, for example. the Canon EOS M10 is listenable.

Is there another approach I could take?

What if I set a shutter speed before advancing the film on an old Soviet camera?

If you try to adjust the shutter speed without advancing the film first, the wrong shutter speed will be selected. At 7.12 in the following video:

The shutter speed selector is displayed in motion as the film advances. The red dot points in different directions before and after cocking the shutter.

I doubt the camera will be damaged unless the dial is forced beyond its limits.

Why do I have half black photos when I use a shutter speed greater than 1/250? (No flash)

When I try to take photos in manual mode, if I use a shutter speed greater than 1/250, I get half black photos.

Body: Canon 6D Mark ii

Lens: Canon EF 50mm 1.8

It should also be noted that I do not use any type of flash.

What is the relationship between the shutter speed of Polaroid cameras and their shooting button?

I'm a little confused as to the shutter speed of some Polaroid cameras.

Precisely, I have these models:

  • polaroid Impulse (old)
  • polaroid One Step 2 (new)

I often read that Polaroid cameras have a certain range of shutter speeds. So my first question is: how does he decide the shutter speed?

the second question relates to its relation to the pressure of the fire button. I read here that it is possible to get longer exposures if I press the button to open the film slot after pressing the button to take the photo (for old cameras), and this can be done with the new One Step 2 camera by turning the camera while holding the shutter button.

But if this is true, it means that I am deciding on the shutter speed and not on the camera. So I don't understand how it works.

my third question is related to the second: how can I make long exposures with my polaroid cameras?

Nikon – Slow shutter speed in aperture mode

You said "all night", which seems to be too dark for your settings. The ways to get a faster shutter speed are:

  1. Enter a brighter area with enough light, where automation can do better. Photography is difficult without enough light. One way to provide more light is to use the flash.

  2. Open the aperture and / or increase the ISO so that a faster shutter can work. If you now see a shutter speed of around 1 second, it seems like you need at least 5 or 6 more stops, to be still slow, but maybe enough.

  3. You can use S or M mode to directly set a faster shutter speed. Then the automation will increase automatic ISO and / or mode A will open more the opening, if there is still room for it to be able to open more.

Frankly, what you really need to know is the exposure of the camera. In Google searches, this is often called the exposure triangle which is not a big name (there is no triangle, there are only the three factors), but it's an extremely important idea to know everything about using the camera. This is how the shutter speed, aperture and ISO combinations work together to provide exposure, but in particular, the parameters you need for a situation, such as Stopping motion or increasing the depth of field. You can find a lot on this subject on Google to inform you about the exhibition. This is the first thing a photographer has to learn.

digital – Low end camera with electronic shutter and fast exposure

I need a camera module that would allow me to electronically trigger a capture while handling exposures in the range of 10 micro-seconds or less (1: 100,000). I understand that it would be a dark exposure under normal lighting, but I have the ability to accurately time the light strobes in conjunction with the capture. The goal is to image fast moving objects (90 m / s MAX) to obtain position and speed data.

I am an engineer with experience in electronics and software, but no knowledge of digital imaging hardware. I need to find a camera module that meets my needs, while being economical enough to fit into a personal project. I have been looking for anything I can think of and I can't find anything that is not a laboratory device costing thousands. I don't need specific product recommendations if it's not allowed here, but help with where or how to find what I'm looking for would be an acceptable answer.

Edit: after a few readings, I now understand that a 1/100000 exposure does not mean that my image will be captured at 1/100000th of a second. That said, I do need a full capture in this amount of time.