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Camera basics are the timeless and generic aspects of cameras; even as technology evolves, these things will remain essentially the same.

learn more… | top users | synonyms (1)

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43 views

what would be a good but inexpensive telescope lens? [closed]

I have no knowledge about cameras or lens what-so-ever. However, I am looking to buy a telescope lens for my husband, who loves photography. He has been saving up and looking to buy one. I want to ...
0
votes
2answers
89 views

What is CMOS in SLR camera? [duplicate]

I regularly come across this term "Dual Pixel CMOS AF" or "APS HD CMOS" when reading about cameras. So what is this CMOS term? What does it describe about the camera? Is it telling something that it ...
0
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1answer
97 views

Can a 2 mp camera produce a 2 mb sized file? [duplicate]

Yesterday I was taking some photos with my old phone, the Nokia C3-00. It has a 2 megapixel camera and usually creates images somewhere between 400kb - 800kb in size. Yesterday, though, it produced an ...
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0answers
126 views

Why my camera shots have a dark area?

Till couple of days ago, there was no problem :( What could be the reason? See one shot with it below. Is there anything I can do, or should it to be repaired? My camera is Nikon D5100. I bought it ...
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0answers
35 views

Where to find comparison of AF systems

I am interested in the progress in AF accuracy in DSLRs and mirrorless cameras. Essentially, I would like a ranking of cameras based on an evaluation of AF accuracy using the center point, under some ...
3
votes
1answer
173 views

Why the faces in the corner tends to skew a bit in almost all smartphone cameras

I have noticed in almost all the smart phones I have used, the faces of people in the corners (either side) tends to skew a bit in all smartphone cameras. Is it something the lens is not as good as ...
20
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4answers
3k views

What makes a DSLR camera “entry-level”?

When I look around the questions on this site, I feel everyone can clearly tell what makes a DSLR camera "entry-level". But I have no clue on how to tell. What makes a camera model "entry" level or ...
1
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0answers
20 views

want to use Panasonic lumix dmc sz1 as cam attached from my computer

I have the cam as mentioned in title but cannot attach and use the cam from computer. That is i want live feed of what the camera is seeing on the computer screen for clay stop motion animation. Also ...
2
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2answers
123 views

How does a camera meter light when the shutter is closed?

I have read when we check the image from viewfinder, we can set the aperture, shutter speed and ISO based on the light coming through the shutter. But, only when we click the shutter release is the ...
0
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0answers
56 views

help me to decide between these [duplicate]

I read a lot of answers posted by you on stackexchange and i am big fan of yours knowledge and yours photography. I am new to photography and want to buy a DSLR body, i don't know much about ...
0
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2answers
86 views

Camera body vs lenses - which is more important technically? [duplicate]

I am writing an article for a case study, explaining which one is more important in Photography, either the camera body or the lenses, and in which, one has to invest more? This is a technical ...
2
votes
2answers
2k views

Beginner photography - Low end DSLR vs mid/high end Point and Shoot/P&S?

I am an beginner enthusiast and I don't want to become professional ever. However, I want to be able to shoot good quality photos that can be used for personal purposes or sold off to say people, ...
3
votes
5answers
742 views

What are practical advantages of Compact cameras over DSLR? [duplicate]

In the past there was huge difference between amateur and professional cameras, but due to the market demand, companies are producing cheap professional (DSLR) cameras, and more advanced compact ...
3
votes
4answers
1k views

What is relationship between focal length and shutter speed?

I am very new to photography and am trying to grasp the basics of it these days. Can someone please help me understand the relationship between focal length of a lens and shutter speed of camera?
0
votes
1answer
412 views

How is f-stop a measure of dynamic range?

As far as I have read f-stop is a measure of the aperture. This affects the amount of area in the foreground and background which is in focus. While having a look at the dynamic ranges of cameras I ...
4
votes
4answers
410 views

Who tells my camera which apertures my lens has

When I mount one of my lenses on my camera, my camera knows which apertures the lens has. So I ask my self: Why does my camera know that for example lens XY has a max. aperture of 2.8 and a min. ...
2
votes
2answers
150 views

What would appear on polaroid film exposed without a lens?

I am trying to get a better understanding how lenses & focusing works. Let's say that I am standing in a completely dark room holding a unexposed polaroid film, and turn on a TV in the other ...
13
votes
2answers
5k views

How iPhone 5S can have such a big aperture? f/2.2?

I thought that in order to have a big aperture such as f/2.2 a big amount of light should be able to enter to the sensor and in order to do it, a big lens was needed. How is it possible that in the ...
2
votes
4answers
188 views

Can a telephoto lens have a wide field of view?

85mm-135mm lenses are great for portraits because of compression perspective distortion, meaning they flatten facial features. However at those focal lengths, you have to step back a few meters from ...
1
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4answers
176 views

Photography: the technical side [duplicate]

I love photography. To be honest, I've never seriously taken even one photo, but I love it. Looking at other people's work on sites like 500px and other discussions on this site, it really makes me ...
5
votes
3answers
454 views

How do I get started with off camera flash in the Canon ecosystem?

This is a very basic question, and I have looked through different resources including the Strobist Lighting 101 tutorial and a few books (Scott Kelby, Neil van Niekerk). Some of the limitations I ...
2
votes
2answers
188 views

What is zoom multiplication based on?

When a camera says that it has, for example, a 10x optical zoom, what exactly is that 10x based on? Is it the angle of view of the human eye, the focal length of the camera, or what?
6
votes
2answers
4k views

How can I take a photo with everything in focus with my DSLR?

I am quite new to DSLRs and one of the first things I noticed was the incredible focus points and depth that you can achieve. That is great in a lot of scenarios, but not in all. When filming a ...
9
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2answers
4k views

What is the meaning of W and T on a camera's zoom buttons?

On every conventional digital camera (excluding the models with detachable lenses), there are buttons to zoom in and out with W side and T side. When you press W, the lens zooms out. The lens zooms ...
1
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2answers
223 views

What does different focal length offer me?

I have a beginner photographer and I have spent a lot of time learning the basics (exposures, lenses, focal lengths, crop factor etc). It's all good except I'm not so sure when I need to buy lenses of ...
0
votes
1answer
762 views

Soft Backgrounds [duplicate]

Possible Duplicate: How can I get dramatic shallow DOF with a kit lens? I'm planning on taking Christmas cards with my dog and self in focus with the Christmas tree and lights blurred out ...
3
votes
3answers
1k views

How does color depth differ from camera to camera?

Which is part of the camera that is responsible for color depth of the images?Is it the property of the image sensor or the image processor of camera? And why do it differ from cameras?How much effect ...
0
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3answers
116 views

Which is the first camera that introduced dial method to set values?

When was the first camera with dial(wheel) method to input settings introduced? Which model is it?What is the method that is used before this?
0
votes
0answers
82 views

How to calculate the zoom power (X factor) for a lens? [duplicate]

Possible Duplicate: How do I convert lens mm to optical zoom times? How can I obtain the "X factor" for a lens? I thought that to get the "X factor" I had to divide the largest focal ...
3
votes
3answers
141 views

How is shots per second of a camera is measured?

I was just curious to know what are settings used in testing the camera's shots per second?Especially the shutter speed. Whether its set to the camera's maximum capability or any standard shutter ...
3
votes
1answer
250 views

How is aperture handled when in live view mode?

When you are using the viewfinder, whatsoever the aperture value is, the lens will be in widest aperture until DOF-preview button pressed or half-shutter button.But what about the aperture value when ...
-6
votes
3answers
243 views

Is introduction of touch screen in DSLRs a boon? [closed]

With Canon introduced EOS 650d with touch screen, does it have an useful effect on photographers?Will this storm drive other manufacturers too or will it fade away just with this?Also is there any ...
2
votes
1answer
831 views

What are cameras that allow you to change the lens called? [closed]

recently my friend was talking about a specific type of camera, which can be used with or without the additional lenses. Can you please tell me what these camera type is called as?
6
votes
2answers
2k views

How does a fly-by-wire focusing lens work?

I have learnt that fly-by-wire focusing is an electrical manual focusing system. But how does this focusing method work? How do you manually focus with fly-by-wire? What is the scope of this ...
-1
votes
1answer
389 views

Below which focal length are lenses considered to be wide angle?

Focal length is the only factor that decides whether a lens is described as being normal or wide angle. Below which focal length are lenses considered to be wide angle? Is this focal length the same ...
4
votes
2answers
2k views

What is the difference between a point-and-shoot and a mirrorless?

Both point-and-shoot camera and mirrorless cameras seems to be mostly similar in the way they work. So, What are the differences between a point and shoot and a mirrorless camera? Is a mirrorless ...
5
votes
2answers
506 views

What are causes for image sensor getting heated? Does Live View cause more heat?

As I have known so far, image sensor gets heated when being exposed to light for longer time. Is there any other reason why an image sensor gets heated? Does heating depends on sensor type (like CCD, ...
1
vote
3answers
1k views

How to mount a 58mm lens on Nikon D80?

I have a Nikon D80 50mm camera with a 52mm Haze filter. I would like to attach some 58mm lenses that I have but not sure which adapters I need. The 58mm lenses have male threads that would attach to ...
3
votes
1answer
892 views

Taking pictures with fixed/full focus camera

I have got a fixed focus, 5 MP camera with 3.3mm focal length (not sure what it means) on my phone. I want to know what's the best way to take pictures with since it's missing auto-focus feature. Is ...
7
votes
3answers
1k views

how the camera determines correct aperture and ISO in bulb mode?

Consider that the camera is in shutter priority and the exposure time is set to bulb mode. Now the camera doesn't know how long the shutter is going to be open in advance and so how does the camera ...
11
votes
5answers
6k views

Is there a formula to calculate DOF?

I am pretty clear about that DOF depends on: Focal length Aperture Distance from subject Sensor size and more (as pointed in the comment). But what is the question here is: Is there any formula ...
4
votes
2answers
1k views

Which mode should I use on my camera?

On the top of most cameras is a selector knob which will allow you to select different modes. These range depending on the camera, my camera (Nikon D5100) has several choices. I have been told ...
2
votes
3answers
5k views

What is the relationship of aperture, focal length, and ISO in a SLR?

I was using Nikon digital camera, and recently bought a Canon 550D. I am totally new to SLR. I am not familiar with SLR terms: Aperture, focal length and ISO, and their relation to one another. What ...
5
votes
1answer
850 views

When is it really necessary to use AF assist light?

I find the AF assist light to be distracting at times when I'm trying to take a candid shot without disturbing the human subjects or taking pictures of pets (they hate getting the AF light in their ...
18
votes
3answers
1k views

Why does a 15-second exposure on my camera actually last 16 seconds?

I was doing a test and wanted the shutter to stay open for 15 seconds -- no problem, I have a 15-second exposure setting in my camera. It seemed to stay open for about an extra second, though, so I ...
9
votes
7answers
958 views

Why do cell phones have the camera in a corner and not in the middle?

It seems counter intuitive because of how you hold the cell phone.
2
votes
3answers
11k views

How can I turn off the loud sound my D3100 produces when I take a photograph?

Nikon D3100 produces sound when I take the photograph. The sound is loud and attention grabbing. What is the term for this particular sound, and how can I turn it off?
4
votes
1answer
206 views

How can I syncronize simultaneous shots taken with two cameras?

How can I capture two simultaneous shots using two cameras and two cameramen? For example I want to capture one person throwing a frisbee while the other person is chasing it down. I'm not trying to ...
4
votes
4answers
747 views

Is higher ISO noise evenly distributed, or does it affect colors differently?

It's obvious that higher ISO affects the photograph by adding noise or grains. But will that grain or noise be distributed equally over all parts of the photograph, or will it specifically affect ...
0
votes
0answers
89 views

Technically what happens that aperture affects Depth of field [duplicate]

Possible Duplicates: What exactly determines depth of field? Technically, why is the out of focus area blurred more when using a bigger aperture? It is obvious that the aperture affects ...