105mm wide aperture portrait / bokeh lens
available in Canon EF, Sigma, Sony FE and Nikon F mounts
close focus to 1m
9 rounded blades
17 elements in 12 groups
Dust and splash-proof mount design
115.9 x 131.5mm (4.6 x 5.2″)
105mm filter thread
tripod collar
1645g (58oz) (much heavier than the 985g Nikon model)