How aperture works


posted on 29th of november, 2009

© Farang (Help) Ever wonder why the marking on the aperture ring seem backwards, or why 1 stop doubles the light but not the aperture number? Then this blog is for you! I've found a number of people that can get a fairly intuitive feel for aperture and shutter, but still can't explain why the numbers are the way they are... Here goes!

If you have done much shooting, you've likely become familiar with how shutter speed and aperture go together. Change the shutter speed and you must adjust the aperture the opposite direction to keep the total light the same. The aperture is the 'hole' in the lens that adjusts how much light actually makes it through. The aperture can be adjusted from completely open, to almost closed (no point in actually closing it!). The aperture is usually anywhere from...

[ Read more... ]
Comments (16)

Posted by Bradcalkins on January 06, 2010
You're welcome!
Posted by Paologozzi on December 09, 2009
what doesn't kill you makes you stronger, thanks a lot Brad for a fast refreshing
Posted by Jmphoto on December 03, 2009
Thank you Brad - great information.



Comments (16)

This article has been read 1474 times. 16 readers have found this article useful.

About me

(Bradcalkins)
Salmon Arm, CA

Blogs
Archive
2014
May (1)
January (1)
2013
2012
2011
2010
2009
2008

Stock Photography that BLOGS!

Interact, make friends, share tips and techniques, have fun. Dreamstime wants your ideas and thoughts whether you are a photographer, designer or regular user. Create a blog to tell your story, promote favorite images and photographers, post tutorials or simply exchange opinions with your with fellow dreamstimers.

Don't forget words and pictures go great together so make sure you choose some Dreamstime favorite pics to brighten your article. For inspiration, check out the hottest or the most useful blogs on the left.

Create a blog to tell your story, promote favorite stock images and photographers

Create your blog

My favorite articles

    None

More favorite articles

Related image searches

aperture inverse fundamentals ratio lens

Inverse related stock images