Why do you buy fast lenses/cameras?

Started 3 months ago | Polls thread
Michael Fryd
Michael Fryd Forum Pro • Posts: 11,559
Re: Why do you buy fast lenses/cameras?

tony field wrote:


with the Canon systems you do not gain more focus precision with a 1.4 lens than you do with the 2.8 lens. As Marianne Oelund pointed out years ago the Canon F 2.8 focusing system does not seem to provide more precision than the Nikon F 5.6 focus system.

Correct.  An f/2.8 lens can provide more accurate focus than an f/4 lens.  However, there are no further improvements from moving to a lens faster than f/2.8.

 Michael Fryd's gear list:Michael Fryd's gear list
Nikon Coolpix AW130 Canon EOS D60 Canon EOS 7D Mark II Canon EOS 5DS Canon EOS 5D Mark IV +16 more
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