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Sigma 20mm F1.4 DG HSM A Canon on Canon EOS 5D Mark III vs Nikon AF-S NIKKOR 20mm f/1.8G ED on Nikon D750 vs Sigma 20mm F1.8 EX DG ASP RF Nikon on Nikon D750
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DXOMARK Score |
|
| Best at f=20mm & f/1.4 [?] | 31
|
Lens Metric Scores | |
|
Sharpness
[?]
|
18 P-Mpix
|
|
Transmission
[?]
|
1.7 TStop
|
|
Distortion
[?]
|
0.8 %
|
|
Vignetting
[?]
|
-1.7 EV
|
|
Chr. aberration
[?]
|
6 µm
|
DXOMARK Score |
|
| Best at f=20mm & f/1.8 [?] | 30
|
Lens Metric Scores | |
|
Sharpness
[?]
|
19 P-Mpix
|
|
Transmission
[?]
|
2.1 TStop
|
|
Distortion
[?]
|
0.5 %
|
|
Vignetting
[?]
|
-1.9 EV
|
|
Chr. aberration
[?]
|
7 µm
|
DXOMARK Score |
|
| Best at f=20mm & f/2.8 [?] | 25
|
Lens Metric Scores | |
|
Sharpness
[?]
|
18 P-Mpix
|
|
Transmission
[?]
|
2.1 TStop
|
|
Distortion
[?]
|
0.7 %
|
|
Vignetting
[?]
|
-2.5 EV
|
|
Chr. aberration
[?]
|
8 µm
|
| Announced | 16/10/2015 |
| Indicative price (USD) | 900 |
| Aperture | f/ 1.4 |
| Focal range (mm) | 20 |
| Filter diameter (mm) | |
| Max diameter (mm) | 90.7 |
| Mount type | Canon EF |
| Stabilization | No |
| AF Motor | HSM |
| Zoom type | |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | |
| Number of lenses | 15 |
| Number of groups | 11 |
| Diaphragm blades | 9 |
| Circular aperture | Yes |
| Length (mm) | 129.8 |
| Weight (gr) | 950 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 12/09/2014 |
| Indicative price (USD) | 800 |
| Aperture | f/ 1.8 |
| Focal range (mm) | 20 |
| Filter diameter (mm) | 77 |
| Max diameter (mm) | 82.5 |
| Mount type | Nikon F FX |
| Stabilization | No |
| AF Motor | SWM |
| Zoom type | |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 13 |
| Number of groups | 11 |
| Diaphragm blades | 7 |
| Circular aperture | Yes |
| Length (mm) | 80.5 |
| Weight (gr) | 355 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 01/01/2008 |
| Indicative price (USD) | 629 |
| Aperture | f/ 1.8 |
| Focal range (mm) | 20 |
| Filter diameter (mm) | 82 |
| Max diameter (mm) | 88.5 |
| Mount type | Nikon F FX |
| Stabilization | No |
| AF Motor | |
| Zoom type | |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | |
| Number of lenses | 13 |
| Number of groups | 11 |
| Diaphragm blades | 9 |
| Circular aperture | Yes |
| Length (mm) | 87 |
| Weight (gr) | 520 |
Certain fields may be left blank. They will be updated as soon as possible.
