Comparison of Pentax SMC P-FA 100mm f/3.5 Macro and Sony 85mm f/2.8 SAM SAL85F28

Attribute	Sony 85mm f/2.8 SAM SAL85F28 ×	Pentax SMC P-FA 100mm f/3.5 Macro ×
Focus Details	Smooth Autofocus Motor (SAM)	-
Weight (g)	175	221
Type	Telephoto Prime	Telephoto Prime
Brand	Sony	Pentax
Name	Sony 85mm f/2.8 SAM SAL85F28	Pentax SMC P-FA 100mm f/3.5 Macro
Diameter (mm)	70	67.5
Image Circle	35mm	35mm
Lens Construction	5 elements in 4 groups	5 elements in 4 groups
APS Equivalent	127.5mm	150mm
Magnification Ratio (x)	0.2	0.5
Closest Focus (m)	0.6	0.43
Filter Size (mm)	55	49
Aperture (f)	2.80 - 22.00	3.50 - 22.00
Diagonal Angle of View (degree)	29.00	24.50
Diaphragm Blades	7	-
Focal Length (mm)	85.00	100.00
Notes	Sony Alpha SLR Mount. Included Accessories: Lens Hood	-
Length (mm)	52	71