Canon RF 50mm F1.8 STM vs Zeiss Otus ML 50mm f/1.4
Both are Canon RF prime lenses for full frame. Here is what actually differs.
Pick the Canon RF 50mm F1.8 STM if
- You want the lighter lens to carry: 537 g lighter (160 g vs 697 g)
- You want autofocus (STM): the Zeiss Otus ML 50mm f/1.4 is manual focus only
- You shoot close-ups: it focuses down to 0.3 m vs 0.5 m
- You want bigger close-ups: 0.25× vs 0.14× maximum magnification
- You want a compact lens: 40.5 mm vs 100 mm long
- Our notes say it suits: Everyday photography, portraits, low-light shooting
Pick the Zeiss Otus ML 50mm f/1.4 if
- You need ⅔ stop more light for low light or background blur (f/1.4 vs f/1.8)
Spec differences
12 differences| Canon RF 50mm F1.8 STM | Zeiss Otus ML 50mm f/1.4 | |
|---|---|---|
| Brand |
Canon
|
Zeiss
|
| Max aperture |
f/1.8
|
f/1.4
⅔ stop faster
|
| Weight |
160 g
lighter
|
697 g
|
| Length |
40.5 mm
shorter
|
100 mm
|
| Diameter |
69.2 mm
slimmer
|
77 mm
|
| Filter thread |
43 mm
|
67 mm
|
| Min focus distance |
0.3 m
closer
|
0.5 m
|
| Max magnification |
0.25×
larger
|
0.14×
|
| Aperture blades |
7
|
not listed
|
| Optical design |
6 elements / 5 groups
|
14 elements / 11 groups
|
| Autofocus motor |
STM
|
Manual focus
|
| Released |
2020
|
not listed
|
5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all
- Mount
- Canon RF both
- Type
- Prime both
- Format
- Full frame both
- Focal length
- 50mm both
- Image stabilization
- No both
Our notes
Canon RF 50mm F1.8 STM
A light normal prime for Canon RF full-frame cameras with a stepping motor, often seen as the RF 'nifty fifty'.
Pros
- Light and compact (160 g)
- f/1.8 aperture
- Quiet STM focus
- Close focus 0.3 m
Cons
- No image stabilization
- Softer wide open
Our notes
Zeiss Otus ML 50mm f/1.4
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Canon RF 50mm F1.8 STM: everyday photography
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Canon RF 50mm F1.8 STM: ⅓ stop faster, autofocus
Canon RF 50mm F1.8 STM vs Brightin Star 50mm f/1.4 III
autofocus vs ⅔ stop faster
Brightin Star 50mm f/1.4 III vs Zeiss Otus ML 50mm f/1.4
Zeiss Otus ML 50mm f/1.4: covers full frame
Canon RF 50mm F1.8 STM vs TTArtisan 50mm f/1.4
autofocus vs ⅔ stop faster