Comparison of Sigma 56mm f/1.4 DC DN Contemporary and Sony FE 85mm f/1.8 SEL85F18

Attribute	Sony FE 85mm f/1.8 SEL85F18 ×	Sigma 56mm f/1.4 DC DN Contemporary ×
Filter Size (mm)	67	55
Notes	Dust and moisture resistant; Included Accessories: Hood (ALC-SH150), Lens front cap (ALC-F67S), Lens rear cap (ALC-R1EM).	Available AF Mounts: Canon EF-M, Micro Four Thirds, Sony E-mount; Compatible with Sigma's Mount Conversion Service
Closest Focus (m)	0.8	0.5
Magnification Ratio (x)	0.13	0.14
Type	Telephoto Prime	Telephoto Prime
Length (mm)	82	59.5
APS Equivalent	127.5mm	1.5x: 84mm; 2.0x: 112mm
Diagonal Angle of View (degree)	29.00	28.50
Image Circle	35mm (Full-frame E-Mount)	APS-C
Focal Length (mm)	85.00	56.00
Brand	Sony	Sigma
Name	Sony FE 85mm f/1.8 SEL85F18	Sigma 56mm f/1.4 DC DN Contemporary
Weight (g)	371	280
Aperture (f)	1.80 - 22.00	1.40 - 16.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	9 elements in 8 groups, including 1 ED element	10 elements in 6 groups, including 1 SLD and 2 asperical elements
Diameter (mm)	78	66.5
Focus Details	Internal with double linear motor; AF/MF switch; Focus hold button	Smooth and quiet AF with stepper motor