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#1 |
Inner Circle
Join Date: Jun 2004
Location: Belgium
Posts: 2,195
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F stop number, picture quality?
I mostly try to shoot at an f stop 1.8 or so, to have shallow depth of field.
But I read sometimes here that a cam films best or so, at an f stop of 4 to 8 or something like that? Is that so? And why is that? Is it because you have more detail? More color rendition? Thanks for any information in advance. |
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#2 |
Major Player
Join Date: Sep 2002
Location: Belgium
Posts: 804
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Cam optics (lenses) are ''optimised'' for midrange F-numbers. However, F-setting doesn't make too much resolution difference for video unless you set to high F-numbers with small CCD chips(diffraction). Color rendition is not affected.
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#3 |
Inner Circle
Join Date: Jun 2004
Location: Belgium
Posts: 2,195
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Thanks. So I don't have to worry so much about it?
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#4 |
Tourist
Join Date: Jan 2005
Location: Mt. Pleasant, Michigan
Posts: 1
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In terms of quality, you probably mean the cleanest picture you can get. This may not pertain to quality per-se, but it does explain a lot about using the f-stop on a DV camera to maximize the looks of your shots concerning DOF.
http://www.dvxuser.com/cgi-bin/DVX2/YaBB.pl?board=news;action=display;num=1083366247 I saw that no one else replied, so maybe this can provide you with a little more info. Good luck! |
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#5 |
Inner Circle
Join Date: Jun 2004
Location: Belgium
Posts: 2,195
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Yeah, I just indeed wanted short DOF, but if there would be a difference in picture quality I would have to think about it. I knew about how to get the short DOP. But thanks a lot! It's great to play with your focus (well not like a lunatic, but if it fits the story)
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#6 |
Major Player
Join Date: Aug 2004
Location: Durango, Colorado, USA
Posts: 711
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Typically, any camera lens will be the sharpest edge to edge at one of the mid f- stop settings. With computer-aided design and significant improvements in lens manufacturing this distinction is harder and harder to see without magnification.
Also, if you choose a mid f-stop for correct exposure of a scene, you has all kinds of latitude for over or under exposing to get the look you want. It is always a compromise choosing the right condidtions for your shoot.
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Waldemar |
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