Comparison of Sigma 85mm ƒ/1.4 EX DG HSM and Sony FE 85mm ƒ/1.4 GM SEL85F14GM

Attribute	Sony FE 85mm ƒ/1.4 GM SEL85F14GM ×	Sigma 85mm ƒ/1.4 EX DG HSM ×
Filter Size (mm)	77	77
Notes	Dust and moisture resistant; Included Accessories: Hood (ALC-SH142), Lens front cap (ALC-F77S), Lens rear cap (ALC-R1EM), Case	Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony. Included Accessories: Case, Lens Hood, Hood Adapter.
Closest Focus (m)	0.8	0.85
Magnification Ratio (x)	0.12	0.12
Type	Telephoto Prime	Telephoto Prime
Length (mm)	107.5	87.6
APS Equivalent	127.5mm	1.5x: 128mm; 1.6x: 136mm
Diagonal Angle of View (degree)	29.00	28.60
Image Circle	35mm (Full-frame E-Mount)	35mm
Focal Length (mm)	85.00	85.00
Brand	Sony	Sigma
Name	Sony FE 85mm ƒ/1.4 GM SEL85F14GM	Sigma 85mm ƒ/1.4 EX DG HSM
Weight (g)	820	726
Aperture (f)	1.40 - 16.00	1.40 - 16.00
Diaphragm Blades	11	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	11 elements in 8 groups, including 3 ED (Extra-low Dispersion) and 1 XA (eXtreme Aspherical) elements; Nano AR Coating	11 elements in 8 groups, including 1 SLD element
Diameter (mm)	89.5	84.7
Focus Details	SSM (Super Sonic wave Motor) with dual sensors, AF/MF switch, Focus hold button	HSM with A/M Switch