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by Vian Esterhuizen

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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.

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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 ...
10
votes
7answers
732 views

What are the properties of a camera that affect taking pictures in poor lighting?

I had recently bought a Nikon CoolPix L110, which was stolen a few months later. In searching for a replacement, I'd like to get something that takes better pictures in poor lighting. The zoom on ...
3
votes
5answers
1k 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 ...
12
votes
4answers
4k views

How can a lens like a 18-55mm have more than one focal length?

How can a lens have a range of focal lengths? Shouldn't it be a single number? Isn't focal length supposed to be fixed for a lens of a particular shape and geometry? What am I missing? How many ...
9
votes
4answers
3k views

What is flash duration?

When speaking in terms of flash specifications, what is flash duration and how does it impact exposure?
7
votes
3answers
812 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 ...
6
votes
3answers
282 views

What are some common gotchas and missed capabilities migrating from compacts to DSLRs

It has been just a couple weeks since I bought an old Nikon D40X after using a Canon SX120IS for a year. The only things I miss so far are the ability to fine adjust the exposure using the back ...
4
votes
7answers
1k views

What's a Good All Purpose Compact Lens for a dSLR …?

Following on from an earlier post, I've decided to persevere with the behemoth for a bit and see where it goes. It may lead in the direction of a Canon G11/12 or S90/95 - only time will tell. In the ...
4
votes
3answers
326 views

What is the most appropriate camera for hobby photography?

I like to travel and take snaps a lot, I usually use my mobile camera for this, but it is not worthy at all. Can someone suggest to me a good and affordable digital camera between the range of $100 - ...
6
votes
2answers
3k 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 ...
5
votes
2answers
708 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, ...
3
votes
1answer
257 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 ...
3
votes
3answers
464 views

What type of digital camera should a novice get?

I am looking for a new digital camera that doesn't break the bank. I am certainly not a professional but I like my photos to look professional.
1
vote
4answers
785 views

Help me decide which camera to buy? [closed]

I would like to buy good camera to start learning photography ... i have 30K(Indian ruppies) budget. Now i am confused whether i should go for the DSLR or for the New Performance series(High end ...
0
votes
1answer
1k 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 ...