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#1 |
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Join Date: Apr 2010
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I recently purchased a Canon 7D. I was wondering if a filter will make my pictures better and if so which ones. Also, what is the best way to learn more about ISO, aperture, and shutter speed. Is there a good book or video?
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#2 |
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Join Date: Dec 2009
Location: Frankfurt AM
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All filters will actually degrade image quality. The good one do it less. There are couple of good books about understanding exposure out there that will cover allot. Also I think they have a magic lantern books on the 7D now, that will help you better understand your camera.
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#3 |
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Join Date: Sep 2005
Location: Washington, DC, Metro Area, Maryland
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You might want to give Canon's Learning Station a try.
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#4 |
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Join Date: Mar 2010
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#5 |
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Join Date: May 2004
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I never use any filters on my lens.
You can always apply effects "after the fact" using software. The relationship between iso, shutter speed and aperture should be covered off by any basic photography book or website. You could learn the relationship by making some experiments. If you increase the ISO (and leave the shutter speed and aperture the same), what does it do to your photos? And if you decrease the ISO? If you leave the ISO and shutter the same, what is the effect of increasing and decreasing the aperture? If you read a book, and then fool around with your camera experimenting, you'll learn pretty fast. |
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#6 | |
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Join Date: Sep 2005
Posts: 1,093
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A graduated neutral density filter allows you to increase the dynamic range of light in a scene that your sensor can expose properly. You cannot create that condition in pp. A polarizing filter can "see through" reflective surfaces. There is no way to make that happen in pp. In various ways, and with varying degrees of failure, you can simulate these things in pp. But you can't actually do any of them in pp. You will have much more noise, or will not be able to accommodate changing scenes, or simply have to manufacture an image that isn't there at all in your photograph. The one thing that is not true is that you can just apply the effect from software. |
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#7 |
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Join Date: Oct 2010
Location: Aberdeen, WA USA
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Here is an excellent video series for beginners that starts with the basics
and goes through filters and stacking for HDR... Perfect Exposure (Watch all 7 parts) http://vimeo.com/6571932 I think even the experienced may find this enjoyable... ![]() Hope it helps... ![]() |
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#8 |
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Join Date: Jul 2010
Location: Fremantle, West Australia
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Very interesting videos thnks Wizzard
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#9 |
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Join Date: Jan 2011
Location: Southern CA coast
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Check out Bryan Peterson online ... among several other books, he's written "Understanding Exposure." I just got one thru Amazon and am very impressed w/his writing style and the breadth of his knowledge/experience. He also has several tutorials on YouTube.
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#10 |
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Join Date: Apr 2009
Posts: 19
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I have always used a 1A filter on the front of my lenses to protect the front elements. I once dropped an expensive zoom lens on the concrete at Disney World: the filter was bent but the lens was unharmed.
Glenn |
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