Spring 2012

Spring 2012
by ani

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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)

1
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0answers
68 views

1 hour photography talk for seniors [closed]

I've been asked to give a 1 hour talk about photography to my local seniors group (ages 55+). While I love what I do and understand it all well, I am not inclined to teaching and don't know where to ...
36
votes
12answers
27k views

How can I get dramatic shallow DOF with a kit lens?

I'm currently using an entry-level DSLR with 18-55mm lens and having great trouble trying to creating a blurred background effect in my photos. Now matter what aperture or shutter speed I choose, I'm ...
0
votes
2answers
155 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
votes
1answer
537 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 ...
19
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4answers
15k views

How do I “focus and recompose” using spot metering?

I usually use the "[auto]focus and recompose" method for taking candid photographs. In situations where there is a high degree of contrast, I would like to use spot metering to correct expose for ...
4
votes
1answer
2k 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 ...
21
votes
4answers
7k 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 "...
37
votes
7answers
5k views

Do megapixels matter with modern sensor technology?

Are more megapixels good? Are more megapixels bad? Do more megapixels increase detail? Do they make my images sharper? On the other side, is there a point that is too much? Do megapixels cause ...
2
votes
2answers
12k 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, ...
2
votes
2answers
162 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 ...
5
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2answers
1k 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, ...
2
votes
3answers
8k 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 ...
0
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0answers
58 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 cameras,...
0
votes
2answers
238 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 ...
3
votes
5answers
2k 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 ...
7
votes
3answers
869 views

Is center-weighted metering a type of spot-metering?

Does center-weighted metering use the same camera/lens adjustments as spot metering with the exception of the focus which is in the center? Or is there a technical difference in the way center-...
0
votes
1answer
2k 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 ...
52
votes
4answers
5k views

What exactly determines depth of field?

There are several questions here about the definition of depth of field, about focal length, and about subject distance. And of course there's the basic how does aperture affect my photographs. And ...
0
votes
0answers
83 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 length ...
4
votes
5answers
292 views

What resources can help a new photographer with terminology and concepts?

Dad has been a professional photographer, so photography comes in the heredity. although I live far away from him so i can't be taught by him. I enjoy photography and want to start with serious ...
4
votes
4answers
441 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
225 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 ...
19
votes
4answers
1k views

What is ISO and how does it affect my photos

What is the ISO setting on my camera? What does it represent? What should I be aware of with regards to ISO when taking photographs
17
votes
3answers
2k views

What makes a camera an “SLR”?

My question, specifically: why is the Fujifilm HS 10 not an SLR?
4
votes
2answers
297 views

How to setup area of focus mode in Nikon D90?

I have a D90 and have tried to set it to area of focus single point, center point,normal. It is not going to this setting, when I look through the lens after setting it the area of focus is on the ...
1
vote
4answers
206 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
928 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
296 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?
21
votes
4answers
2k views

Why are there limitations to the upper limit of exposure time in digital cameras?

For example, my Canon 550D will only go as far as 30 sec (and then of course the bulb mode). For measuring exposure, I think all the camera needs is a timer, and I have no doubt they would have to do ...
1
vote
2answers
248 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
1k 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 in ...
65
votes
12answers
12k views

What advantages does manual mode have over aperture priority mode?

I'm wondering what are the most compelling reasons to switch to manual mode on my DSLR. I mostly just use aperture priority mode so I have good control over the depth of field combined with an ...
4
votes
3answers
3k 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 ...
1
vote
3answers
128 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?
3
votes
3answers
181 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
278 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
751 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
2k 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?
4
votes
4answers
1k 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 ...
4
votes
1answer
267 views

Are scene modes, white balance, color tones, and similar just post-processing effects?

What happens when the following settings are changed: White balance Color tones Scene modes Are these parameters affect the way in which the photo is taken or they are just applied by processing ...
6
votes
2answers
6k 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
vote
3answers
2k 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
2k 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
2k 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 ...
5
votes
2answers
2k 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 ...
11
votes
8answers
91k views

How does 18 megapixels compare to 12 megapixels? [duplicate]

I'm purchasing a digital camera & it says, "Effective pixels: Approx. 18.00 Megapixels". What is this compared to 12.00 megapixels?
5
votes
1answer
2k 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 ...
5
votes
4answers
556 views

What types of digital cameras are out there?

Everything I come across while researching digital cameras for the most part falls into two categories: Point-and-Shoot and SLRs. Are there any other types of cameras, be it professional or consumer, ...
2
votes
3answers
29k 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?