see also:

• Canon EF lenses
• Canon EF wide angle lenses
• Sigma 35mm f/1.4 DG HSM Art full frame lens

• wide angle rectilinear prime lens offering 63º diagonal field of view = 40º vertical and 56º horizontal
• 35mm focal length is a favourite focal length for street photographers and travel photographers although they would probably prefer a more compact f/2 or f/2.8 version

• announced Aug 2015
• totally re-designed optics make it MUCH HEAVIER at 760g not 580g and much longer 106mm not 86mm!
• 9 blades not 8 for nicer 18-ray sunburst effect
• 1st lens to incorporate Canon-designed Blue Spectrum Refractive Optics for less CA as the BR optic can significantly refract blue light
• flourine coating helps to repel liquids and dust particles
• now weathersealed

• 35mm f/1.4 wide angle lens
• 14 elements in 11 groups incl. 1x BR, 2x ASPH lens, 1 x Super UD
• USM AF with full time MF
• 9 blades
• Sub-Wavelength Structure Coating (SWC)
• rear internal focusing
• close focus 0.28m (11“) giving 0.21x magnification
• 72mm filter thread
• 80mm x 106mm
• 760g
• $US1799 RRP

• dpreview.com's review
  • very sharp wide open and sharp to edges - the sharpest 35mm f/1.4 lens to date
  • vignetting 2.34EV in corners
  • 0.33% barrel distortion
  • minimal CA, much less purple fringing, LoCA and softness and flare wide open than Mark I version and much less distortion
  • actual transmission T1.7
• https://www.dxomark.com/Lenses/Canon/Canon-EF-35mm-F14L-II-USM-mounted-on-Canon-EOS-5DS-R__1009
  • T1.7, 0.1% distortion, 2.3EV vignetting, 4 micron CA (all quite similar to Sigma 35mm f/1.4 DG HSM Art full frame lens)
  • 80% acutance centre, 68% edge a little better than the Sigma 35mm f/1.4 DG HSM Art full frame lens especially at the edges
  • centre doesn't get much sharper on stopping down, edge sharpens a little more at f/4-f/8

• this lens was introduced in late 1998
• no weather sealing, no nano coating

• 35mm f/1.4 wide angle lens
• 11 elements in 9 groups incl. 1x ASPH lens
• USM AF with full time MF
• 8 blades
• Optimized Super Spectra Coating
• rear focusing
• close focus 0.3m giving 0.18x magnification
• 72mm filter thread
• 79mm x 86mm
• 580g

• http://kenrockwell.com/canon/lenses/35mm-f14.htm
  • Ken's review is quite at odds to Photozone.de - perhaps due to variation in lens manufacturing
  • “ultra-sharp and free from ghosts and most distortion, it has great bokeh”
• Photozone.de
  • 1.5% barrel distortion
  • 2.4EV vignetting
  • sharpest centre at f/2.8 when it is extremely sharp, but very soft corners wide open - best overall at f/5.6
  • 1px lat. CA and considerable long. CA
  • bokeh is nervous
• LensTip
  • “simply monstrous vignetting on full frame”
  • significant coma but well-corrected astigmatism
  • low CA, low distortion
  • poor corner image quality
• https://fstoppers.com/gear/35mm-showdown-canon-canon-l-and-sigma-comparison-3665
  • not quite as good as the more affordable Sigma 35mm f/1.4 which has less CA
• http://www.lightandmatter.org/2013/videos/lens-comparison-sigma-35mm-f1-4-art-vs-canon-35mm-f1-4l/
  • Sigma 35mm f/1.4 ART lens is sharper across the field, smoother bokeh, less CA, and almost no vignetting wide open!
• DxO Mark tests
  • 0.4% distortion
  • 2EV vignetting
  • 16micron CA