Contax Zeiss 300mm f/2.8 Tele-Apotessar T* vs f/4 Tele-Tessar T*
Both are Contax/Yashica telephoto lenses for full frame. Here is what actually differs.
Pick the f/2.8 Tele-Apotessar T* if
- You need 1 stop more light for low light or background blur (f/2.8 vs f/4)
Pick the f/4 Tele-Tessar T* if
- You want the lighter lens to carry: 1530 g lighter (1200 g vs 2730 g)
- You want a compact lens: 205 mm vs 244 mm long
Spec differences
6 differences| f/2.8 Tele-Apotessar T* | f/4 Tele-Tessar T* | |
|---|---|---|
| Max aperture |
f/2.8
1 stop faster
|
f/4
|
| Weight |
2730 g
|
1200 g
lighter
|
| Length |
244 mm
|
205 mm
shorter
|
| Diameter |
120 mm
|
88 mm
slimmer
|
| Filter thread |
not listed
|
82 mm
|
| Optical design |
7 elements / 6 groups
|
5 elements / 5 groups
|
8 identical specs hidden: brand, mount, type, format, focal length, min focus distance, autofocus motor, image stabilization. Show all
- Brand
- Contax both
- Mount
- Contax/Yashica both
- Type
- Telephoto both
- Format
- Full frame both
- Focal length
- 300mm both
- Min focus distance
- 3.5 m both
- Autofocus motor
- Manual focus both
- Image stabilization
- No both