Comparison of Sony FE 85mm ƒ/1.4 GM SEL85F14GM and Tamron 85mm ƒ/1.8 Di VC USD SP (Model F016)

Attribute	Sony FE 85mm ƒ/1.4 GM SEL85F14GM ×	Tamron 85mm ƒ/1.8 Di VC USD SP (Model F016) ×
Filter Size (mm)	77	67
Notes	Dust and moisture resistant; Included Accessories: Hood (ALC-SH142), Lens front cap (ALC-F77S), Lens rear cap (ALC-R1EM), Case	Available mounts: Canon EF, Nikon F, Sony A; Optical Image Stabilization (3.5 stops); Weather resistant; Compatible with TAMRON TAP-in Console
Closest Focus (m)	0.8	0.8
Magnification Ratio (x)	0.12	0.14
Type	Telephoto Prime	Telephoto Prime
Length (mm)	107.5	91.4
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	Tamron
Name	Sony FE 85mm ƒ/1.4 GM SEL85F14GM	Tamron 85mm ƒ/1.8 Di VC USD SP (Model F016)
Weight (g)	820	700
Aperture (f)	1.40 - 16.00	1.80 - 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	13 elements in 9 groups, including 1 XLD (Extra Low Dispersion) and 1 LD (Low Dispersion) elements; eBAND and BBAR coatings
Diameter (mm)	89.5	84.8
Focus Details	SSM (Super Sonic wave Motor) with dual sensors, AF/MF switch, Focus hold button	Internal; USD (Ultrasonic Silent Drive) with continuous manual focus mechanism