Comparison of Zeiss 85mm f/2.4 Loxia 2.4/85 and Tamron 90mm ƒ/2.8 Di MACRO 1:1 VC USD SP (Model F017)

Attribute	Tamron 90mm ƒ/2.8 Di MACRO 1:1 VC USD SP (Model F017) ×	Zeiss 85mm f/2.4 Loxia 2.4/85 ×
Filter Size (mm)	62	52
Notes	Available mounts: Canon EF, Nikon F, Sony A; Optical Image Stabilization (3.5 stops); Weather resistant; Compatible with TAMRON TAP-in Console	Sony E-Mount (full frame); Weather-resistant lens mount gasket; Included Accessories: Lens hood, front and rear lens caps, de-click key.
Closest Focus (m)	0.3	0.8
Magnification Ratio (x)	1	0.139
Type	Telephoto Prime Macro	Telephoto Prime
Length (mm)	116.8	108
APS Equivalent	1.5x: 135mm; 1.6x: 144mm	1.5x: 127.5mm
Diagonal Angle of View (degree)	27.00	28.63
Image Circle	35mm	35mm
Focal Length (mm)	90.00	85.00
Brand	Tamron	Carl-zeiss
Name	Tamron 90mm ƒ/2.8 Di MACRO 1:1 VC USD SP (Model F017)	Zeiss 85mm f/2.4 Loxia 2.4/85
Weight (g)	610	594
Aperture (f)	2.80 - 32.00	2.40 - 22.00
Diaphragm Blades	9	10
Diaphragm Blades Type	rounded	rounded
Lens Construction	14 elements in 11 groups, including 2 XLD (Extra Low Dispersion) and 1 LD (Low Dispersion) elements; eBAND and BBAR coatings	7 elements in 7 groups, including 3 anomalous partial dispersion elements; Zeiss T* anti-reflective coating
Diameter (mm)	79	62.5
Focus Details	Internal; USD (Ultrasonic Silent Drive) with continuous manual focus mechanism	Manual focus only, with large 220 degree focus throw, engraved distance and DOF scales