photo:canonef24-70mml
Canon EF 24-70mm f/2.8L lenses
introduction
version II
lighter, shorter, more plasticky than version I but much better optically, much nicer sunstars, better weathersealing, and much more expensive
specs
24-105mm f/2.8
16 elements in 13 groups incl. 2 ASPH and 1 Super-UD and 2 UD
Optimized Super Spectra Coating
fluorine coatings on front and rear elements to help repel fingerprints
82mm plastic filter thread
internal focus
moisture seal at mount ?weathersealing
close focus to 0.38m giving 1:4.76 (0.21x) macro
NOT compatible with TC's
9 rounded blades
88.5mm x 113mm long
805g (28.4 oz)
$US1899
reviews
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2.8% barrel distortion at 24mm, zero at 40mm, 1.3% pincushion at 70mm
1.8EV vignetting at 24mm f/2.8
sharpest at f/5.6
“busy” bokeh and foreground bokeh is not harmonious
the Tamron AF SP 24-70mm f/2.8 Di USD VC is better value and you get IS
version I
specs
reviews
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great optically, ergonomically and mechanically BUT big, heavy and expensive
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nice bokeh
some focus breathing at 70mm
mild CA at 24mm minimal at longer focal lengths
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photo/canonef24-70mml.txt · Last modified: 2017/04/26 22:34 by gary1