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Sigma 17-50mm F2.8 EX DC HSM Sony on Sony SLT Alpha 77 II vs Sony FE 28-70mm F3.5-5.6 OSS on Sony A7R II
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DXOMARK Score |
|
| Best at f=50mm & f/2.8 [?] | 18
|
Lens Metric Scores | |
|
Sharpness
[?]
|
10 P-Mpix
|
|
Transmission
[?]
|
2.9 TStop
|
|
Distortion
[?]
|
0.3 %
|
|
Vignetting
[?]
|
-1 EV
|
|
Chr. aberration
[?]
|
10 µm
|
DXOMARK Score |
|
| Best at f=28mm & f/3.5 [?] | 28
|
Lens Metric Scores | |
|
Sharpness
[?]
|
25 P-Mpix
|
|
Transmission
[?]
|
4.9 TStop
|
|
Distortion
[?]
|
0.8 %
|
|
Vignetting
[?]
|
-1.5 EV
|
|
Chr. aberration
[?]
|
10 µm
|
| Announced | 08/12/2011 |
| Indicative price (USD) | 570 |
| Aperture | f/ 2.8 |
| Focal range (mm) | 17-50 |
| Filter diameter (mm) | 77 |
| Max diameter (mm) | 83.5 |
| Mount type | Sony Alpha DT |
| Stabilization | No |
| AF Motor | HSM |
| Zoom type | Ring |
| Rotating front element | Yes |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | No |
| Number of lenses | 17 |
| Number of groups | 13 |
| Diaphragm blades | 7 |
| Circular aperture | Yes |
| Length (mm) | 91.8 |
| Weight (gr) | 550 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 16/10/2013 |
| Indicative price (USD) | 500 |
| Aperture | f/ 3.5-5.6 |
| Focal range (mm) | 28-70 |
| Filter diameter (mm) | 55 |
| Max diameter (mm) | 72.5 |
| Mount type | Sony FE |
| Stabilization | Yes |
| AF Motor | Stepping motor |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | |
| Number of lenses | 9 |
| Number of groups | 8 |
| Diaphragm blades | 7 |
| Circular aperture | Yes |
| Length (mm) | 83 |
| Weight (gr) | 295 |
Certain fields may be left blank. They will be updated as soon as possible.
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