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Very preliminary thoughts on the 40-150 F2.8

Started Jun 23, 2016 | Discussions thread
gpb11 Veteran Member • Posts: 5,035
focus speed
3

s_grins wrote:

rsmithgi wrote:

Right, this is what I meant. ISO=800 is more than decent - it is very good

And what do you do when ISO 800 and F5.6 leaves you with too slow of a shutter speed?

I'd bump ISO up to 3200.

Then you'll end up with a lot more noisy out of focus shots than rsmithgi will end up with...  

There's more to a fast lens than being able to use a lower aperture -- the wider aperture when acquiring focus often allows faster and better acquisition than with slower lenses.

BTW, how exactly is trying to make him defend his lens purchase contributing anything positive here?

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Images are about emotion. Technical perfection is nice, but does not stand by itself.

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