Comparison of Canon EF 400mm ƒ/2.8L IS II USM and Nikon 300mm f/2.8G ED-IF AF-S VR Nikkor

Attribute	Canon EF 400mm ƒ/2.8L IS II USM ×	Nikon 300mm f/2.8G ED-IF AF-S VR Nikkor ×
Magnification Ratio (x)	0.17	0.16
Filter Size (mm)	52	52
Focus Details	Inner focusing; Ultra-sonic Motor (USM), AF/PF/MF switch, Focus Preset, Range Limiter	Internal with SWM, manual focus, and focus preset with Memory Recall; Focus Limiter Switch
Closest Focus (m)	1.7	2.2
Lens Construction	16 elements in 12 groups	11 elements in 8 groups, including 3 ED glass elements and 1 meniscus protective glass element
Length (mm)	343	268
Focal Length (mm)	400.00	300.00
Diaphragm Blades Type	rounded	-
Brand	Canon	Nikon
Image Circle	35mm	35mm
Name	Canon EF 400mm ƒ/2.8L IS II USM	Nikon 300mm f/2.8G ED-IF AF-S VR Nikkor
Weight (g)	3900	2850
Type	Telephoto Prime	Telephoto Prime
Notes	Image Stabilization (4-stops); Included Accessories: lens hood and hard case.	Image Stabilization; Included Accessories: 52mm filter holder, LN-1 Strap, HK-30 Hood, CL-L1 Semi soft case
APS Equivalent	640mm	450mm
Aperture (f)	2.80 - 32.00	2.80 - 22.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	6.20	8.20
Diameter (mm)	163	124