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Pentax smc DA 21mm F3.2 AL Limited on Pentax K-3 vs Carl Zeiss Distagon T 21mm f/2.8 ZE Canon on Canon EOS 7D
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DXOMARK Score |
|
| Best at f=21mm & f/4 [?] | 16
|
Lens Metric Scores | |
|
Sharpness
[?]
|
11 P-Mpix
|
|
Transmission
[?]
|
3.5 TStop
|
|
Distortion
[?]
|
0.6 %
|
|
Vignetting
[?]
|
-1.2 EV
|
|
Chr. aberration
[?]
|
17 µm
|
DXOMARK Score |
|
| Best at f=21mm & f/2.8 [?] | 15
|
Lens Metric Scores | |
|
Sharpness
[?]
|
9 P-Mpix
|
|
Transmission
[?]
|
3.2 TStop
|
|
Distortion
[?]
|
0.5 %
|
|
Vignetting
[?]
|
-0.9 EV
|
|
Chr. aberration
[?]
|
5 µm
|
| Announced | 13/02/2006 |
| Indicative price (USD) | 650 |
| Aperture | f/ 3.2 |
| Focal range (mm) | 21 |
| Filter diameter (mm) | 49 |
| Max diameter (mm) | 63 |
| Mount type | Pentax KAF |
| Stabilization | No |
| AF Motor | No |
| Zoom type | / |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black, Silver |
| Full-Time manual focus | Yes |
| Number of lenses | 8 |
| Number of groups | 5 |
| Diaphragm blades | 7 |
| Circular aperture | No |
| Length (mm) | 25 |
| Weight (gr) | 140 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 01/12/2008 |
| Indicative price (USD) | 1730 |
| Aperture | f/ 2.8 |
| Focal range (mm) | 21 |
| Filter diameter (mm) | 82 |
| Max diameter (mm) | 87 |
| Mount type | Canon EF |
| 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) | 95 |
| Weight (gr) | 600 |
Certain fields may be left blank. They will be updated as soon as possible.
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