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Tokina AT-X 14-20mm F2 PRO DX Canon on Canon EOS 7D vs Sigma 18-35mm F1.8 DC HSM A Canon on Canon EOS 7D vs Sigma 10-20mm F3.5 EX DC HSM Canon on Canon EOS 7D
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DXOMARK Score |
|
| Best at f=14mm & f/2 [?] | 18
|
Lens Metric Scores | |
|
Sharpness
[?]
|
10 P-Mpix
|
|
Transmission
[?]
|
2.4 TStop
|
|
Distortion
[?]
|
0.4 %
|
|
Vignetting
[?]
|
-0.9 EV
|
|
Chr. aberration
[?]
|
8 µm
|
DXOMARK Score |
|
| Best at f=18mm & f/1.8 [?] | 24
|
Lens Metric Scores | |
|
Sharpness
[?]
|
13 P-Mpix
|
|
Transmission
[?]
|
1.8 TStop
|
|
Distortion
[?]
|
0.3 %
|
|
Vignetting
[?]
|
-1.1 EV
|
|
Chr. aberration
[?]
|
7 µm
|
DXOMARK Score |
|
| Best at f=10mm & f/3.5 [?] | 14
|
Lens Metric Scores | |
|
Sharpness
[?]
|
8 P-Mpix
|
|
Transmission
[?]
|
3.9 TStop
|
|
Distortion
[?]
|
0.4 %
|
|
Vignetting
[?]
|
-1 EV
|
|
Chr. aberration
[?]
|
13 µm
|
| Announced | 31/12/2015 |
| Indicative price (USD) | 850 |
| Aperture | f/ 2 |
| Focal range (mm) | 14-20 |
| Filter diameter (mm) | 82 |
| Max diameter (mm) | 89 |
| Mount type | Canon EF-S |
| Stabilization | No |
| AF Motor | Internal focus |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 13 |
| Number of groups | 11 |
| Diaphragm blades | 9 |
| Circular aperture | Yes |
| Length (mm) | 106 |
| Weight (gr) | 725 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 18/04/2013 |
| Indicative price (USD) | 799 |
| Aperture | f/ 1.8 |
| Focal range (mm) | 18-35 |
| Filter diameter (mm) | 72 |
| Max diameter (mm) | 78 |
| Mount type | Canon EF-S |
| Stabilization | No |
| AF Motor | HSM |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 17 |
| Number of groups | 12 |
| Diaphragm blades | 9 |
| Circular aperture | Yes |
| Length (mm) | 121 |
| Weight (gr) | 810 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 03/03/2009 |
| Indicative price (USD) | 649 |
| Aperture | f/ 3.5 |
| Focal range (mm) | 10-20 |
| Filter diameter (mm) | 82 |
| Max diameter (mm) | 87.3 |
| Mount type | Canon EF-S |
| Stabilization | No |
| AF Motor | HSM |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 13 |
| Number of groups | 10 |
| Diaphragm blades | 7 |
| Circular aperture | No |
| Length (mm) | 88.2 |
| Weight (gr) | 520 |
Certain fields may be left blank. They will be updated as soon as possible.
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