Contax Zeiss 135mm f/2 Planar T* vs f/2.8 Sonnar T*
Both are Contax/Yashica telephoto lenses for full frame. Here is what actually differs.
Pick the f/2 Planar T* if
- You need 1 stop more light for low light or background blur (f/2 vs f/2.8)
Pick the f/2.8 Sonnar T* if
- You want the lighter lens to carry: 245 g lighter (585 g vs 830 g)
Spec differences
7 differences| f/2 Planar T* | f/2.8 Sonnar T* | |
|---|---|---|
| Max aperture |
f/2
1 stop faster
|
f/2.8
|
| Weight |
830 g
|
585 g
lighter
|
| Length |
101 mm
|
93 mm
shorter
|
| Diameter |
75 mm
|
68.5 mm
slimmer
|
| Filter thread |
72 mm
|
55 mm
|
| Min focus distance |
1.5 m
closer
|
1.6 m
|
| Optical design |
5 elements / 5 groups
|
5 elements / 4 groups
|
7 identical specs hidden: brand, mount, type, format, focal length, autofocus motor, image stabilization. Show all
- Brand
- Contax both
- Mount
- Contax/Yashica both
- Type
- Telephoto both
- Format
- Full frame both
- Focal length
- 135mm both
- Autofocus motor
- Manual focus both
- Image stabilization
- No both