Here Be Dragons: Vic Berardi on the Virtues of the Canon EF 100-400mm F4.5-5.6L IS II USM as a Macro Lens
Snapshot:
Full name: Canon EF 100-400mm F4.5-5.6L IS II USM
Focal Length & Maximum Aperture: 100-400mm 1:4.5-5.6
Lens Construction: 21 elements in 16 groups
Diagonal Angle of View: 24°-6°10’
Focus Adjustment: Inner focus system / USM
Closest Focusing Distance: 3.2 ft. / 0.98m
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