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Testing 20-50 vs 18-55 right now!

Started Dec 22, 2014 | Discussions thread
AdamT
AdamT Forum Pro • Posts: 62,282
Re: Testing 20-50 vs 18-55 right now!

MGJA wrote:

I'm a big fan of the 20-50 @20 too. But I doubt it's a front focusing problem @50. The cameras have CDAF, after all, and do not suffer the front or back focusing issues that plague PDAF systems.

Technically no and I agree but I've noticed things in a scene sharper in front of the focus plane when shooting at distance at 50mm, it could be caused Spherical aberration (focus shift ?)( but that usually only affects lenses when stopped down and I Never stop the NX down beyond F5.6 unless after deep DOF for Macros

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