see also:

• Sigma 14mm f/1.8 DG HSM Art full frame lens
• Samyang 14mm full frame lenses
• Sony FE E-mount full frame lenses
• Laowa 15mm f/4 macro shift lens

• manual focus ultra wide angle full frame lens in Sony FE mount
• unlike 14mm lenses, this lens has a front filter mount which is a major advantage, but it also has more coma than the latest 14mm lenses
• Zero-D implied zero distortion and it seems quite minimal but it does flare a bit
• no electronic communication with camera

• 15mm full frame
• 72mm filter
• close focus 0.15m (twice as close as most 14mm lenses)
• de-clickable aperture ring
• small
• high build quality
• $AU1200

• http://luketscharke.com/laowa-15mm-f2-fe-zero-d-initial-impressions/
  • some vignetting at f/2 which improves by f/4 and is barely noticeable at f/5.6
  • some bat wing coma reduces at f/4
  • some pretty serious flaring at f/2 when shooting into the sun
  • sharper at f/4
• https://www.dpreview.com/articles/9370910118/venus-optics-laowa-15mm-f-2-fe-zero-d-gallery-user-impressions