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Sigma 18-35mm F1.8 DC HSM A Nikon on Nikon D7100 vs Sigma 17-50mm F2.8 EX DC OS HSM Nikon on Nikon D7100 vs Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon on Nikon D7100
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DXOMARK Score |
|
| Best at f=18mm & f/1.8 [?] | 28
|
Lens Metric Scores | |
|
Sharpness
[?]
|
17 P-Mpix
|
|
Transmission
[?]
|
2 TStop
|
|
Distortion
[?]
|
0.4 %
|
|
Vignetting
[?]
|
-1.3 EV
|
|
Chr. aberration
[?]
|
8 µm
|
DXOMARK Score |
|
| Best at f=50mm & f/2.8 [?] | 20
|
Lens Metric Scores | |
|
Sharpness
[?]
|
14 P-Mpix
|
|
Transmission
[?]
|
3.3 TStop
|
|
Distortion
[?]
|
0.3 %
|
|
Vignetting
[?]
|
-1.1 EV
|
|
Chr. aberration
[?]
|
10 µm
|
DXOMARK Score |
|
| Best at f=17mm & f/2.8 [?] | 18
|
Lens Metric Scores | |
|
Sharpness
[?]
|
13 P-Mpix
|
|
Transmission
[?]
|
3.4 TStop
|
|
Distortion
[?]
|
0.3 %
|
|
Vignetting
[?]
|
-1 EV
|
|
Chr. aberration
[?]
|
5 µm
|
| 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 | Nikon F DX |
| 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 | 01/02/2010 |
| Indicative price (USD) | 669 |
| Aperture | f/ 2.8 |
| Focal range (mm) | 17-50 |
| Filter diameter (mm) | 77 |
| Max diameter (mm) | 83.5 |
| Mount type | Nikon F DX |
| Stabilization | Yes |
| AF Motor | HSM |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | No |
| Number of lenses | 17 |
| Number of groups | 13 |
| Diaphragm blades | 7 |
| Circular aperture | No |
| Length (mm) | 91.8 |
| Weight (gr) | 565 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 01/09/2009 |
| Indicative price (USD) | 649 |
| Aperture | f/ 2.8 |
| Focal range (mm) | 17-50 |
| Filter diameter (mm) | 72 |
| Max diameter (mm) | 72 |
| Mount type | Nikon F DX |
| Stabilization | VC |
| AF Motor | DC |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | No |
| Number of lenses | 19 |
| Number of groups | 14 |
| Diaphragm blades | 7 |
| Circular aperture | No |
| Length (mm) | 94.5 |
| Weight (gr) | 570 |
Certain fields may be left blank. They will be updated as soon as possible.
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