see also:

• Canon EF lenses
• Sigma 12-24mm f/4 DG HSM Art full frame lens
• Sigma 24mm f/1.4 DG HSM Art full frame lens
• Sigma 24-35mm f/2 DG HSM Art full frame lens
• Sigma 50mm f/1.4 DG HSM Art full frame lens
• Sigma 50-100mm f/1.8 DG HSM Art APS-C/DX lens
• Sigma 85mm f/1.4 DG HSM Art full frame lens

• 35mm f/1.4 full frame AF lens in various mounts (Canon, Nikon, Pentax, Sigma and Sony mounts)
• announced in 2012

• 35mm f/1.4 full frame AF lens
• 13 element, 11 group construction is the most complex in its class, four elements made from Super-Low Dispersion (SLD) glass, one 'F' Low Dispersion (FLD) glass, and two aspheric elements
• HSM AF with full-time manual override
• No weather sealing
• internal focus
• 9 rounded blades
• Super-Multi-Layer Coating
• close focus 0.3m
• 67mm filter
• 77 x 94mm long
• 665g (23.5 oz)
• $US899

• http://www.kenrockwell.com/sigma/35mm-f14.htm
• http://www.imaging-resource.com/lenses/sigma/35mm-f1.4-dg-hsm-a/review/
• https://www.dpreview.com/reviews/sigma-35mm-f1-4-dg-hsm
  • Superb optics that beat anything else in its class
  • Slightly fussy rendition of out-of-focus backgrounds under some conditions
• http://www.photozone.de/canon_eos_ff/848-sigma35f14eosff
• https://petapixel.com/2013/05/30/review-the-sigma-35mm-f1-4-dg-hsm-is-solid-but-hope-for-a-purebred/
• http://johncarnessali.com/camera-lens-tests/sigma-35mm-1-4-art-lens/6141
• http://neilvn.com/tangents/review-sigma-35mm-f1-4-art-lens/
• https://www.dxomark.com/Lenses/Sigma/Sigma-35mm-F14-DG-HSM-A-Canon-mounted-on-Canon-EOS-5DS-R__1009
  • T1.6, 0.3% distortion, 2EV vignette, 6micron CA
  • 78% acutance centre, 60% edge not quite as good as the version II of the Canon EF 35mm f/1.4L USM lens
  • centre sharpest at f/2, edge sharpest at f/4-f/8
• https://photographylife.com/reviews/sigma-35mm-f1-4/
  • severe onion ring bokeh but no defined outer ring so bokeh is mixed
• https://dustinabbott.net/2016/01/sigma-35mm-f1-4-dg-hsm-art-review/
  • issues with AF accuracy and speed