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Pentax smc PENTAX DA 50-200mm F4-5.6 ED on Pentax K-50 vs Pentax smc PENTAX DA 55-300mm F4-5.8 ED on Pentax K-50
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DXOMARK Score |
|
| Best at f=80mm & f/4.5 [?] | 12
|
Lens Metric Scores | |
|
Sharpness
[?]
|
5 P-Mpix
|
|
Transmission
[?]
|
5.2 TStop
|
|
Distortion
[?]
|
0.4 %
|
|
Vignetting
[?]
|
-1 EV
|
|
Chr. aberration
[?]
|
7 µm
|
DXOMARK Score |
|
| Best at f=300mm & f/5.8 [?] | 15
|
Lens Metric Scores | |
|
Sharpness
[?]
|
7 P-Mpix
|
|
Transmission
[?]
|
5.1 TStop
|
|
Distortion
[?]
|
0.4 %
|
|
Vignetting
[?]
|
-0.9 EV
|
|
Chr. aberration
[?]
|
9 µm
|
| Announced | 01/06/2005 |
| Indicative price (USD) | 261 |
| Aperture | f/ 4-5.6 |
| Focal range (mm) | 50-200 |
| Filter diameter (mm) | 52 |
| Max diameter (mm) | 78.5 |
| Mount type | Pentax KAF |
| Stabilization | No |
| AF Motor | No |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 11 |
| Number of groups | 10 |
| Diaphragm blades | 6 |
| Circular aperture | No |
| Length (mm) | 66.5 |
| Weight (gr) | 255 |
Certain fields may be left blank. They will be updated as soon as possible.
| Announced | 01/01/2008 |
| Indicative price (USD) | 475 |
| Aperture | f/ 4-5.8 |
| Focal range (mm) | 55-300 |
| Filter diameter (mm) | 58 |
| Max diameter (mm) | 71 |
| Mount type | Pentax KAF |
| Stabilization | No |
| AF Motor | No |
| Zoom type | Ring |
| Rotating front element | No |
| Tripod mount | No |
| Color | Black |
| Full-Time manual focus | Yes |
| Number of lenses | 12 |
| Number of groups | 8 |
| Diaphragm blades | 6 |
| Circular aperture | No |
| Length (mm) | 111.5 |
| Weight (gr) | 440 |
Certain fields may be left blank. They will be updated as soon as possible.
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