Comparison of Sony SAL-100M28 100mm f/2.8 Macro and Tokina 100mm f/2.8 ATX-i FF Macro

Attribute	Sony SAL-100M28 100mm f/2.8 Macro ×	Tokina 100mm f/2.8 ATX-i FF Macro ×
Magnification Ratio (x)	1	1
Filter Size (mm)	55	55
Focus Details	Auto Clutch; Focus Hold; Focus Range Limiter	Extending barrel with Focus Clutch mechanism and Focus Limiter
Closest Focus (m)	0.35	0.3
Lens Construction	8 elements in 8 groups	9 elements in 8 groups
Length (mm)	98.5	95.1
Focal Length (mm)	100.00	100.00
Diaphragm Blades Type	rounded	-
Brand	Sony	Tokina
Image Circle	35mm	35mm
Name	Sony SAL-100M28 100mm f/2.8 Macro	Tokina 100mm f/2.8 ATX-i FF Macro
Weight (g)	505	490
Type	Telephoto Prime Macro	Telephoto Prime Macro
Notes	Included Accessories: SH0007 Lens Hood	Available AF Mounts: Canon EF Nikon F; Included Accessories: BH-551 Lens Hood
APS Equivalent	150mm	1.5x: 150mm; 1.6x: 160mm
Aperture (f)	2.80 - 32.00	2.80 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	24.00	24.50
Diameter (mm)	75	73