Comparison of Canon EF 500mm ƒ/4L IS II USM and Canon EF 600mm ƒ/4L IS II USM

Attribute	Canon EF 600mm ƒ/4L IS II USM ×	Canon EF 500mm ƒ/4L IS II USM ×
Aperture (f)	4.00 - 32.00	4.00 - 32.00
Filter Size (mm)	52	52
Notes	Image Stabilization (up to 4-stops), includes new Mode 3 that activates IS only when the shutter button is fully pressed.	Image Stabilization (up to 4-stops), includes new Mode 3 that activates IS only when the shutter button is fully pressed.
Closest Focus (m)	4.5	3.7
Magnification Ratio (x)	0.15	0.15
Type	Telephoto Prime	Telephoto Prime
Focus Details	Inner focusing; full-time manual focus and USM	Inner focusing; full-time manual focus and USM
APS Equivalent	960mm	800mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm
Focal Length (mm)	600.00	500.00
Brand	Canon	Canon
Name	Canon EF 600mm ƒ/4L IS II USM	Canon EF 500mm ƒ/4L IS II USM
Weight (g)	3920	3190
Diagonal Angle of View (degree)	4.20	5.00
Length (mm)	448	383
Diameter (mm)	168	146
Lens Construction	16 elements in 12 groups (Fluorite: G2 and G4, UD Lens: None)	16 elements in 12 groups; Fluorite: G2 and G4, UD Lens: None