20/21mm lens for Sony A7S

[Vivek]

Mike:

I referred it to Jack.

To reiterate: http://www.getdpi.com/forum/625699-post10.html

I have both the 20/3.5 AiS and the A7s under discussion.

 

[Jack]

Okay, time to stop the banter boys or I'll have dad give you a time out when he gets home Seriously, let's lighten up, it's camera gear and not nuclear reactors. We are all friends here even though we sometimes (or often as the case may be) disagree.

 

[serhan]

FE 16-35mm vs 21mm review:
Adorable wide angles - Zeiss FE 16-35 vs. Leica WATE and some other 21mm lenses

Ultra Wide Angle M-Mount Lenses THAT WORK On Sony A7R (Leica "WATE" Tri Elmar 16-18-21mm f/4 ASPH and Voigtlander Ultron 21mm f/1.8 ASPH)

Here is a CV 21mm review with some landscape shots:
Sony A7r + Voigtlander 21/1.8 Ultron


Stopped down OM 21mm 3.5 is good with A7R:

If you are happy with CV12mm, you will be happy with CV21mm 1.8 but it is a more expensive lens. These are wide open on A7R: