Comparison of Canon EF 100mm ƒ/2.8L Macro IS USM and Laowa 100mm f/2.8 2X Ultra Macro APO

Attribute	Laowa 100mm f/2.8 2X Ultra Macro APO ×	Canon EF 100mm ƒ/2.8L Macro IS USM ×
Magnification Ratio (x)	2	1
Filter Size (mm)	67	67
Focus Details	Internal; Manual Focus only	Full-time manual focus with USM; 3 position focus limiter
Closest Focus (m)	0.25	0.3
Lens Construction	12 elements in 10 groups	15 elements in 12 groups, including 1 UD lens element
Length (mm)	125	123
Focal Length (mm)	100.00	100.00
Diaphragm Blades Type	-	rounded
Brand	Laowa	Canon
Image Circle	35mm	35mm
Name	Laowa 100mm f/2.8 2X Ultra Macro APO	Canon EF 100mm ƒ/2.8L Macro IS USM
Weight (g)	638	625
Type	Telephoto Prime Macro	Telephoto Prime Macro
Notes	Available Mounts: Canon EF, Canon RF, Nikon F, Nikon Z, Sony FE.	Image Stabilization: 4-stops; 3-stops at 0.5x magnification; 2-stops at 1.0x magnification
APS Equivalent	1.5x: 150mm; 1.6x: 160mm	160mm
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	24.40	23.40
Diameter (mm)	72	78