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PhotoshopGround >> What advantage is a bigger lens?

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4/25/10 5:17 PM
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HappyFunBall
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Given an SLR vs a Compact with equivalent zoom & Mpixels, will the SLR with a bigger lens make better pictures for a scene with plenty of light?

I took some mountain-top landscape pictures and am dissatisfied with how hazy and washed-out they are.

My Canon SX210 doesn't seem to compare with Flickr pictures I've seen made with Canon SLR's of lower zoom and Mpix.
4/28/10 10:01 PM
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Demitrius Barbito
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When you say bigger lens you need to be specific as to "bigger than what"?

f stops are going to make all the difference "in the lens" and sensor size in the camera.

Demi

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5/1/10 4:26 AM
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LiteBlu
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If you mean a physically longer lens then it would have a longer focal length then you would be able to fill your frame with subjects that are further away.


If you mean a lens that has a big diameter then it would have a bigger aperture (a lower minimum F number) meaning it can take photos at faster shutter speeds in lower light, hence the term "fast lens".

6/1/10 7:12 PM
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Lofland
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Edited: 06/01/10 7:15 PM
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A point-and-shoot zooms by taking the megapixels in a section of your sensor and blowing them up. A longer lens magnifies the image so it fills your sensor, at the cost of slightly less light I think.

I just learned a little about photography after buying a Canon dslr for a cruise I went on.

The lens may be the biggest factor, but there could be a lot of others. Different haze on that day. Maybe the dslr guy was using filters. Maybe the dslr guy used different shutter speed, ISO, and aperture settings.

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