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January 17, 2006
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F-Stop Tutorial 4 Beginners by drawnfreak F-Stop Tutorial 4 Beginners by drawnfreak
Update: Spelling fixed, added examples, and explained in further details shutter speed with lens size. thankyou to all the people who gave me feedback!

Update MARCH 2008: Rewrote a few sentences to make more sense. Also changed background to match dev5 layout. Thank you again everyone for the favorites/collections!
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:iconscarletdragon619:
scarletdragon619 Featured By Owner Dec 12, 2011  Hobbyist Photographer
This makes so much more sense than any gude I have ever read! Thank you!
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:iconsebengiz:
Sebengiz Featured By Owner Aug 13, 2011  Hobbyist Photographer
that's just what i need thanks a lot
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:iconderos116:
deros116 Featured By Owner Jul 26, 2008
if i use a long shutter i dont need to use a low f number? should I? ...for a basic shot
long shutter = more light
low F-stop number = more light

high F number means smaller opening less light and wider depth of field?

or for motion use it both on high? o what ? :)
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:icondrawnfreak:
drawnfreak Featured By Owner Sep 12, 2008
It depends on the lighting situation. If you use a long shutter, and you're in a very dark place, you might still need to use a low f number.

Yes, you're right long shutter and low f-stop numbers will both allow more light to go into the camera.

Again, for motion you'll want to use a faster shutter if you want to capture or stop the motion. You might need to lower your f number to allow yourself to make this adjustment to the shutter.
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:iconprodjws:
prodjws Featured By Owner Jun 7, 2008
good good Thank you :)


dizi izle
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:iconrosegilmore:
rosegilmore Featured By Owner Apr 25, 2008   Writer
THanks! I totally needed this!
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:iconthesundiver:
thesundiver Featured By Owner Dec 25, 2007
you're slightly confused. there is no "depth of focus". it's called "depth of field". focus has no depth. field--meaning the area that is in focus--has. you get more things in focus when the depth of that area increases, but you cannot speak of depth of focus; something is either in focus or not.
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:icondrawnfreak:
drawnfreak Featured By Owner Apr 1, 2008
I wasn't confused, it was just a typo. Thanks for commenting, the tutorial was recently updated.
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:iconcrazykira:
crazykira Featured By Owner Dec 24, 2007
Hi ,you've been featured in this news article
http://news.deviantart.com/article/39459/

thanks a lot for sharing
:blowkiss:
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:icontiberius47:
Tiberius47 Featured By Owner Feb 19, 2007  Hobbyist Photographer
Sorry to disagree with you, but you say in the tutorial that the f number is a fraction of the lens diameter.

It's actually the fraction of the focal length of a lens, not the diameter of the maximum aperture.

Thus, if you have a 80mm lens at f8, then the aperture diameter is 10mm.

But other than that, it's a good tutorial. Good information and written in an easy to read manner.
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