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Canon EF 17-40mm f/4L USM on Canon EOS 6D vs Canon EF 20-35mm f/3.5-4.5 USM on Canon EOS 6D
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DXOMARK Score |
|
| Best at f=24mm & f/4 [?] | 20
|
Lens Metric Scores | |
|
Sharpness
[?]
|
14 P-Mpix
|
|
Transmission
[?]
|
4.4 TStop
|
|
Distortion
[?]
|
0.4 %
|
|
Vignetting
[?]
|
-1.6 EV
|
|
Chr. aberration
[?]
|
10 µm
|
DXOMARK Score |
|
| Best at f=20mm & f/4 [?] | 18
|
Lens Metric Scores | |
|
Sharpness
[?]
|
13 P-Mpix
|
|
Transmission
[?]
|
4.6 TStop
|
|
Distortion
[?]
|
0.5 %
|
|
Vignetting
[?]
|
-1.5 EV
|
|
Chr. aberration
[?]
|
12 µm
|
| Announced | 01/05/2003 |
| Indicative price (USD) | 780 |
| Aperture | f/ 4 |
| Focal range (mm) | 17-40 |
| Filter diameter (mm) | 77 |
| Max diameter (mm) | 83.5 |
| Mount type | Canon EF |
| Stabilization | No |
| AF Motor | USM |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | no |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 12 |
| Number of groups | 9 |
| Diaphragm blades | 7 |
| Circular aperture | Yes |
| Length (mm) | 96.8 |
| Weight (gr) | 475 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 01/03/1993 |
| Indicative price (USD) | 299 |
| Aperture | f/ 3.5-4.5 |
| Focal range (mm) | 20-35 |
| Filter diameter (mm) | 77 |
| Max diameter (mm) | 83.5 |
| Mount type | Canon EF |
| Stabilization | No |
| AF Motor | USM |
| Zoom type | Ring |
| Rotating front element | |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | NA |
| Number of lenses | 12 |
| Number of groups | 11 |
| Diaphragm blades | 5 |
| Circular aperture | |
| Length (mm) | 68.9 |
| Weight (gr) | 340 |
Certain fields may be left blank. They will be updated as soon as possible.
