VILTROX AF 14mm F4.0 FE/Z Officially Announced

[Richard CR]

Viltrox announced its autofocus 14mm f/4.0 compact prime for the Sony FE and Nikon Z mounts (sorry, we don’t get nice things, it seems). Viltrox dropped the announcement on its WeChat page, and this news is so relatively fresh that it hasn’t even made it to their website yet. The lens features a fluorine coating […]

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[AlanF]

Viltrox announced its autofocus 14mm f/4.0 compact prime for the Sony FE and Nikon Z mounts (sorry, we don’t get nice things, it seems). Viltrox dropped the announcement on its WeChat page, and this news is so relatively fresh that it hasn’t even made it to their website yet. The lens features a fluorine coating […]

See full article...

Richard, the MTF chart is confusing me. Is it corrected for diffraction like the Canon one is? The values at f/8 are lower than at f/4 so it could be. Otherwise it is unusual for f/8 to be so less sharp.

 

[Richard CR]

Richard, the MTF chart is confusing me. Is it corrected for diffraction like the Canon one is? The values at f/8 are lower than at f/4 so it could be. Otherwise it is unusual for f/8 to be so less sharp.

the fact that the center lp30/mm goes down at F/8 makes me think you are right that they are showing it diffraction corrected.