Comparison of Panasonic 85mm f/1.8 Lumix S (S-S85) and Tamron SP AF 90mm f/2.8 Di Macro 1:1

Attribute	Panasonic 85mm f/1.8 Lumix S (S-S85) ×	Tamron SP AF 90mm f/2.8 Di Macro 1:1 ×
Magnification Ratio (x)	0.13	1
Filter Size (mm)	67	55
Focus Details	Internal AF; AF/MF switch	External focus system, lens length varies while focusing
Closest Focus (m)	0.8	0.29
Lens Construction	9 elements in 8 groups, including 2 ED elements;	10 elements in 9 groups
Length (mm)	82	97
Focal Length (mm)	85.00	90.00
Diaphragm Blades Type	circular	-
Brand	Panasonic	Tamron
Image Circle	35mm (L-Mount)	Image Circle
Name	Panasonic 85mm f/1.8 Lumix S (S-S85)	Tamron SP AF 90mm f/2.8 Di Macro 1:1
Weight (g)	355	405
Type	Telephoto Prime	Telephoto Prime Macro
Notes	Dust/splash-resistant; Included Accessories: front and rear lens caps, lens hood.	Available mounts: Canon, Minolta, Nikon, Pentax; Includes lens hood and case.
APS Equivalent	127.5mm	1.5x: 135mm; 1.6x: 144mm
Aperture (f)	1.80 - 22.00	2.80 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	29.00	27.00
Diameter (mm)	73.6	71.5