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Questions tagged [electronics]

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2
votes
2answers
69 views

Multiple use of Electric contacts cleaner

I have a reflex canon 77d, in one beautiful day the "ok" button stopped to work suddenly. I bought an electric contacts cleaner, i applied the spray and it returned to work normally but after 2-3 days ...
0
votes
1answer
67 views

What is a good reference for the technological aspects of modern digital photography? [closed]

What is a good readable, technically detailed reference on the technology involved in modern digital cameras, raw file conversion, and digital image processing? (Possibly a complete a complete answer ...
2
votes
0answers
151 views

Spilt Isopropyl alcohol on camera, now it doesn't turn on

I have 99.5% Isopropanol that I am using for cleaning electronics and optics(I specifically ordered it from my local electronics specialist; it is no knock-off, it is genuine pure IPA for a ton of ...
-1
votes
1answer
67 views

What Field of View does an Electronic Viewfinder typically have?

I have an old small HDMI display laying around here and I want to use it to create a primitive electronic viewfinder with 3D printed parts for my DSLR. My design is nearly finished, but I still don't ...
0
votes
0answers
80 views

What are the upper and lower limits of torque to safely operate a geared cinema lens?

I'm prototyping a stepper motor drive for cinema lenses. The idea is to mount a 32 pitch spur gear on a stepper motor shaft with an encoder. That assembly will turn the focus, iris, or zoom ring gears ...
1
vote
4answers
2k views

Native ISO vs Boost ISO. What kind of amplification corresponds to each of them?

As I understood, there's a native range for ISO in DSLR cameras and a boost mode which is usually a bigger range and contains the native ISO. I'm lost a bit here. Which of the following processes is ...
0
votes
1answer
564 views

Measuring SNR of a DSLR from raw image

How can I calculate signal to noise ratio of a DSLR, using raw images? Is it simply whole counts minus dark counts over dark counts?
5
votes
1answer
465 views

What do “dark current” and “sensitivity” mean for a camera module?

I am looking at a camera module to be used for a project which deals in shooting frames in dark areas and night conditions. This is a camera used from a circuit board. I have the following light ...
7
votes
5answers
2k views

How can I tag my photos with electric compass info giving direction my camera was facing?

I have a survey project where I need to record not only the location, but the direction (bearing and angle of elevation/depression) that the camera was pointing at the time the picture was taken. I ...
7
votes
2answers
1k views

Will a laser beam damage a non operational CCD?

I am looking for an answer to this question all over the net and can't find any answers. It is clear that a strong laser beam will damage CCD while it is in use(filming), but what about if the camera ...
3
votes
3answers
994 views

DIY motion trigger for use in High Speed Photography?

I am looking to get started in high speed photography and have been looking around at the different motion/sound detectors that are available on the market. I have come to the conclusion that I do not ...
9
votes
5answers
643 views

which brand ecosystem is more open for hacking?

I'm a seasoned photographer who used to have a nikon until recently and I am now thinking of buying a new camera and want to experiment more with it. The types of things I want to do is: control the ...
13
votes
2answers
10k views

What are the electrical contacts in a Nikon F-mount?

Current Nikon camera bodies and lenses have electrical contacts. What exactly are they used for and what sorts of electrical signalling is used? Why are there so many? Some background to my question. ...
22
votes
4answers
3k views

What are good advanced books on the physics and science of photography?

I am looking for books about the physics of DSLR, including modern photography optics and sensor electronics. If I already have some books on optics and electronics, I have found fairly hard to find ...
8
votes
1answer
7k views

OEM Camera Sensors for a computer project

First off I'm not sure if this is the place for this question, but it seems to be the closest fit. I want to buy a small camera sensor (like for netbooks/phones), from what I have read on wikipedia ...