Comparison of Canon EF 600mm ƒ/4L IS II USM and Nikon 180-400mm f/4E TC1.4 FL ED VR Nikkor

Attribute	Canon EF 600mm ƒ/4L IS II USM ×	Nikon 180-400mm f/4E TC1.4 FL ED VR Nikkor ×
Aperture (f)	4.00 - 32.00	4.00 - 45.00
Filter Size (mm)	52	5
Notes	Image Stabilization (up to 4-stops), includes new Mode 3 that activates IS only when the shutter button is fully pressed.	Built-in 1.4x Teleconverter; VR Image Stabilization up to 4 stops; Sealed against dust and moisture.
Closest Focus (m)	4.5	2
Magnification Ratio (x)	0.15	0.25
Diaphragm Blades Type	-	rounded
Type	Telephoto Prime	Telephoto Zoom
APS Equivalent	960mm	270 - 600mm (378 - 840mm with built-in TC engaged)
Diaphragm Blades	9	9
Image Circle	35mm	35mm
Focal Length (mm)	600.00	180.00 - 400.00
Brand	Canon	Nikon
Name	Canon EF 600mm ƒ/4L IS II USM	Nikon 180-400mm f/4E TC1.4 FL ED VR Nikkor
Weight (g)	3920	3500
Diagonal Angle of View (degree)	4.20	6.20 - 13.40
Lens Construction	16 elements in 12 groups (Fluorite: G2 and G4, UD Lens: None)	27 elements in 19 groups, including 1 Fluorite element and 8 ED elements; Nano Crystal Coat; Super Integrated Coating
Diameter (mm)	168	128
Length (mm)	448	362.5
Zoom System	-	Rotary
Focus Details	Inner focusing; full-time manual focus and USM	Internal SWM (AF-S); AF Recall Mode; Focus Range Limiter (2m to infinity (Full) or 6m to infinity); A/M, M/A, M Mode Switch