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2006-12-03 08:21:59 · 4 answers · asked by iiTSz ME3 1 in Consumer Electronics Cameras

4 answers

These all appear to be terms related to digital cameras. I found you a glossary here:
http://www.digicamguides.com/learn/digital-camera-terms.html

2006-12-03 08:34:13 · answer #1 · answered by Slightlynorth 2 · 1 0

Most of these are terms on how to spec or specify a digital camera. Some of them are for advanced photo users and probably of no concern, since most cameras have a full automatic mode that takes a lot of the guess work of taking pictures.
All try to pick some that will define your choice.

Megaplixels - Probably the number one thing that you will see cameras advertised with. It is the number of pixel the chip has and that make up your digital picture cameras continue to increase this number every year - canon now has main street cameras that have 10mega pixels. But be area that unless you are planing on doing very large prints this number makes little difference on a 6x4 print.

Optical and digital zoom - that defines your maximum zoom range or how close you can get a distant object. Optical zoom has no picture degradation / digital will decrease the quality the further you zoom out. Most super compact cameras do not do well in this category and if this is important you may want to buy a digital SLR.

Max / Min Aperture - Aperture is one of the numbers that controls the amount of light exposing you shoot (sensor). The max has little effect unless you are a pro. The min is the number that you want to look for. The lower the number the less light you need to expose you picture without a flash. If you have a zoom lenses that number changes from its wides angle to its most zoomed in position and will be defined as follows for example 2.8-5.6.

Focal min/max - the wides angle to the most zoomed position, a very important number to know, but beware that you should convert it to a 35mm film or full sensor equivalent to get a true compression between cameras. To a have a good wide angle you should have between 28mm and 35mm after you have done the conversion. The wides angle defines how far side to side you can see or expose. Crop factor is the number that you multiply to focal length (canon xt has a crop factor of 1.6 so if you have 17mm lens you multiply 17x1.6 and get a full sensor equivalent of 27.2 (28mm) a good wide angle). You will most likely have to refer to the manufactures web site or photo forums to get the crop factor.

Shutter speed min/max. The higher the number the faster the shutter can expose your picture. This is only important if you want to take pictures of very fast moving objects like sports and so on. 8000/th of second is very good but 100/th will be enough for most users.

Image Format most cameras will do Jpg and probably all you need. RAW is another common format, but only in the higher end cameras.

ISO is a number that has influence over the amount of light that expose your image. The higher the number the less light needed (good) but the picture quality gets worse the higher the number, more noise in the image (bad).

Focus min is the closed you can have an object that the camera can focus on. Macro is for the very close range.

LCD screen is the size of the preview screen in the back of the camera.

Exposure modes - most cameras have a green or full automatic setting that will make all of the decisions to get the best picture. But some cameras have additional auto are settings like "Sport" for fast action shoots, "Landscape" highest quality possible, "Portrait", "Night" and so on. These help you and the camera for specific types of shoots, where the auto mode will get you an OK result, these settings will get the best result that your camera can get for the specific task. And then there are the classic settings like "P" program, "T" time value, "A" aperture and "M" full manual. These are for when you want to take control of the camera, but should only do this once you have an understanding of how they influence the outcome of your pictures.

Some other good things to know are start-up time " and FPS - maximum numbers of pictures that the camera can take in one second the more the better.

The First question when buying a digital camera are:
Budget
Size - If you are looking to have something small and light and do not care about becoming the next Adam Ansel the compact cameras will do you well
Flexibility - If you are taking this up as a profession or hobby you may want to go with a digital SLR that will give you most control and flexibility over your pictures. You buy a camera body and lens are separate and can be exchange to fit your need. The down side is the size, wight and cost over compact cameras.

Please do not take this as a super technical answerer. If that is what you are seeking you may need to research each spec individually. I'm just trying to get you started. Once you narrow your choice you should research them on some of the photo and tech forums to see what other people are saying like www.dpreview.com and www.cnet.com

I hope this helps :)

2006-12-03 22:31:47 · answer #2 · answered by Tim M 2 · 0 0

I can't believe Tim M spent all that typing on answering this long list.

2006-12-03 23:48:37 · answer #3 · answered by Ara57 7 · 0 0

They look like words that have to do with electronic equipment.

2006-12-03 16:25:09 · answer #4 · answered by Mister Jay 3 · 0 1

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