Canon EF 100-400mm f/4.5-5.6L IS II USM

Specifications:

Focal Length 100-400 mm
Min. Aperture f/4.5-5.6  
Max. Aperture f/32-40  
Blades: 9  
Elements: 21  
Groups: 16  
Min. Foc. Dist. 1.0 m
AF: yes  
Stabilization: yes  
Class: Full Frame  
Mount: EF  
Filter: 77 mm
Length: 193.0 mm
Diameter: 94.1 mm
Weight: 1570 g
Launch: 2014  

Results:

Resolving Power: 992 σ = 0.0
Contrast: 935 σ = 0.0
Color: 947 σ = 0.0
Bokeh: 816 σ = 0.0
Star: 885 σ = 0.0
Distortion: 968 σ = 0.0
Falloff: 892 σ = 0.0
Flare: 815 σ = 0.0
LaCA: 1033 σ = 0.0
LoCA: 936 σ = 0.0
LenScore™ 924 σ = 0.0

Number of lenses measured: 1
 

Comment:

Canon took their time updating this lens, 16 years no less, but the result is impressive. Rarely does a lens surpass its predecessor so markedly. The best lens in the important segment of variable aperture zooms up to 400mm at a very competitive price considering the class-leading optical performance, very good build quality, fast autofocus and very effective image stabilization. Highly recommended.

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