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Sigma 20mm F1.8 EX DG ASP RF Nikon on Nikon D800E vs Carl Zeiss Distagon T 21mm f/2.8 ZF2 Nikon on Nikon D800E
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DXOMARK Score |
|
| Best at f=20mm & f/2.8 [?] | 28
|
Lens Metric Scores | |
|
Sharpness
[?]
|
23 P-Mpix
|
|
Transmission
[?]
|
2.1 TStop
|
|
Distortion
[?]
|
0.6 %
|
|
Vignetting
[?]
|
-2.3 EV
|
|
Chr. aberration
[?]
|
8 µm
|
DXOMARK Score |
|
| Best at f=21mm & f/2.8 [?] | 27
|
Lens Metric Scores | |
|
Sharpness
[?]
|
19 P-Mpix
|
|
Transmission
[?]
|
3.4 TStop
|
|
Distortion
[?]
|
0.6 %
|
|
Vignetting
[?]
|
-1.9 EV
|
|
Chr. aberration
[?]
|
5 µm
|
| 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.
| Announced | 01/11/2009 |
| Indicative price (USD) | 1732 |
| Aperture | f/ 2.8 |
| Focal range (mm) | 21 |
| Filter diameter (mm) | 82 |
| Max diameter (mm) | 88 |
| Mount type | Nikon F FX |
| Stabilization | No |
| AF Motor | No |
| Zoom type | / |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | / |
| Number of lenses | 16 |
| Number of groups | 13 |
| Diaphragm blades | 9 |
| Circular aperture | Yes |
| Length (mm) | 93 |
| Weight (gr) | 620 |
Certain fields may be left blank. They will be updated as soon as possible.
