Is there a need for F1.4 lenses....

Started 4 months ago | Discussions thread
JimKasson
JimKasson Forum Pro • Posts: 27,835
Re: Clear Need...

lawny13 wrote:

A f1.2 lens will simply focus better than a f2.8 lens in dim lighting.

If the taking aperture is f/2.8, it won't focus any better at the taking aperture, and focusing an f/1.2 lens wide open and stopping it down to f/2.8 for the image won't work well with most fast lenses because of spherical aberration.

If the taking aperture is f/1.2, then the f/1.2 lens is the better choice. 😉

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