Ever wonder why it's so difficult to focus fast lenses with a DSLR viewfinder?

Started Jan 27, 2013 | Discussions thread
windsprite
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Re: Ever wonder why it's so difficult to focus fast lenses with a DSLR viewfinder?
In reply to primeshooter, Jan 27, 2013

primeshooter wrote:

I've been saying this alot lately to people who keep chiming in "oh just manual focus your 1.4 prime lens". Oh yeah? Unless you have a focus screen that shows f/1.4 you ain't gonna get any different resultant focus than the autofocus would give. (pulling focus manually to the rangefinder dots will give the same focus as AF).

I'm not one who thinks MF is a solution to real AF problems, and I could be wrong on this, but it seems like with the green dot there is a bit of leeway, and if you experiment with a given lens, you can sometimes develop a feel for the timing that will yield a little more accuracy than you would get with even good AF.

Julie

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