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Ian Holb June 21st, 2010 10:43 AM

Quote:

Originally Posted by Jan Vanhoecke (Post 1540588)
great DOF

What does "great" mean anyway? Are you either looking for shallow depth of field or where everything is in focus?

Jon Fairhurst June 21st, 2010 10:51 AM

Quote:

Originally Posted by Jan Vanhoecke (Post 1540588)
Hèhè, now i know what to buy next...
But what with it's DOF-value?
Is there a lens that does lowlight & great DOF at the same time?

It depends on what you mean by "great DOF". Some would take that to be "great looking, shallow focus", and others would think "great, deep focus."

For deep focus, you can use a wide lens and move your subject relatively far away, but not too far from the background. You can open up the lens for lots of light and have everything in relatively sharp focus. Unfortunately, your subject will be small. You can't get lots of light and deep focus on an extreme closeup - even with small chip cameras. The EF 24/1.4L would be nice.

For shallow focus, any f/1.2 or f/1.4 lens will do. Telephotos give shallower focus than wide lenses. An 85/1.2 or 85/1.4 would generally be the fastest telephotos around. After that there is the 135/2, 200/1.8, and 200/2. Move the subject close to the camera and have the background far away for the shallowest DOF look.

Laurence Janus June 23rd, 2010 01:45 AM

Just FYI this is something I made testing a 550D/T2i with a EF-S18-200mm F3.5-5.6 for low light.

YouTube - Canon Kiss x4 / Rebel T2i / 550D test [LQ] [Boring]


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