Pentax smc DA 50-200mm F4-5.6 ED WR vs Sigma 120-400mm f/4.5-5.6 APO DG OS HSM
Both are Pentax K lenses. Here is what actually differs.
Pick the Pentax smc DA 50-200mm F4-5.6 ED WR if
- You need ⅓ stop more light for low light or background blur (f/4 vs f/4.5)
- You want a wider view: 50mm vs 120mm at the wide end
- You shoot close-ups: it focuses down to 1.1 m vs 1.5 m
- Our notes say it suits: Travel telephoto, casual portraits, outdoor use
Pick the Sigma 120-400mm f/4.5-5.6 APO DG OS HSM if
- You need more reach: 400mm vs 200mm at the long end
- You shoot handheld in dim light or video: it has optical image stabilization and the Pentax smc DA 50-200mm F4-5.6 ED WR does not
- You shoot full frame: the Pentax smc DA 50-200mm F4-5.6 ED WR is made for APS-C
Spec differences
15 differences| Pentax smc DA 50-200mm F4-5.6 ED WR | Sigma 120-400mm f/4.5-5.6 APO DG OS HSM | |
|---|---|---|
| Brand |
Pentax
|
Sigma
|
| Type |
Zoom
|
Telephoto Zoom
|
| Format |
APS-C
|
Full frame
|
| Focal length |
50-200mm
|
120-400mm
|
| Max aperture |
f/4
⅓ stop faster
|
f/4.5
|
| Weight |
285 g
|
not listed
|
| Length |
80 mm
|
not listed
|
| Diameter |
69 mm
|
not listed
|
| Filter thread |
49 mm
|
77 mm
|
| Min focus distance |
1.1 m
closer
|
1.5 m
|
| Max magnification |
not listed
|
0.24×
|
| Aperture blades |
not listed
|
9
|
| Optical design |
not listed
|
21 elements / 15 groups
|
| Autofocus motor |
not listed
|
HSM
|
| Image stabilization |
No
|
Yes
stabilized
|
1 identical spec hidden: mount. Show all
- Mount
- Pentax K both
Our notes
Pentax smc DA 50-200mm F4-5.6 ED WR
A compact weather-resistant telephoto zoom for Pentax APS-C bodies, weighing about 285 g. It focuses as close as 1.1 m.
Pros
- Light at about 285 g
- Weather resistant
- Compact
- Close focus 1.1 m
Cons
- Slow aperture
- APS-C only
- Less reach than 55-300
Our notes
Sigma 120-400mm f/4.5-5.6 APO DG OS HSM
More comparisons
Pentax smc DA 50-200mm F4-5.6 ED WR vs Tamron AF 70-300mm F4-5.6 LD Macro 1:2
wider (50mm) vs more reach (300mm)
Tamron 100-400mm f/4.5-6.3 Di VC USD vs Sigma 120-400mm f/4.5-5.6 APO DG OS HSM
Tamron 100-400mm f/4.5-6.3 Di VC USD: wider (100mm)
Pentax smc DA 50-200mm F4-5.6 ED WR vs Tamron AF 70-300mm f/4-5.6 Tele-Macro
wider (50mm) vs more reach (300mm)
Pentax smc DA 50-200mm F4-5.6 ED vs Sigma 120-400mm f/4.5-5.6 APO DG OS HSM
⅓ stop faster vs more reach (400mm)
Pentax smc DA 50-200mm F4-5.6 ED WR vs Vivitar 75-205mm f/3.8 Auto Tele-Zoom
wider (50mm) vs more reach (205mm)
Pentax smc DA 50-200mm F4-5.6 ED WR vs Sigma 60-600mm f/4.5-6.3 DG OS HSM Sport
⅓ stop faster vs more reach (600mm)