Brightin Star 12mm f/2 III vs Sigma 12mm f/1.4 DC Contemporary
Both are Canon RF prime lenses for APS-C. Here is what actually differs.
Pick the Brightin Star 12mm f/2 III if
- You care about the shape of out-of-focus highlights: 10 aperture blades vs 9
Pick the Sigma 12mm f/1.4 DC Contemporary if
- You need 1 stop more light for low light or background blur (f/1.4 vs f/2)
- You want the lighter lens to carry: 18 g lighter (250 g vs 268 g)
- You want autofocus (Stepping motor): the Brightin Star 12mm f/2 III is manual focus only
Spec differences
13 differences| Brightin Star 12mm f/2 III | Sigma 12mm f/1.4 DC Contemporary | |
|---|---|---|
| Brand |
Brightin Star
|
Sigma
|
| Max aperture |
f/2
|
f/1.4
1 stop faster
|
| Weight |
268 g
|
250 g
lighter
|
| Length |
not listed
|
67.4 mm
|
| Diameter |
not listed
|
69 mm
|
| Filter thread |
not listed
|
62 mm
|
| Min focus distance |
not listed
|
0.17 m
|
| Max magnification |
not listed
|
0.12×
|
| Aperture blades |
10
more blades
|
9
|
| Optical design |
12 elements / 9 groups
|
14 elements / 12 groups
|
| Autofocus motor |
Manual focus
|
Stepping motor
|
| Weather sealing |
not listed
|
Yes
|
| Released |
not listed
|
2025
|
5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all
- Mount
- Canon RF both
- Type
- Prime both
- Format
- APS-C both
- Focal length
- 12mm both
- Image stabilization
- No both
More comparisons
Brightin Star 12mm f/2 III vs Samyang AF 12mm f/2.0
more blades vs 55 g lighter
Samyang AF 12mm f/2.0 vs Sigma 12mm f/1.4 DC Contemporary
37 g lighter vs 1 stop faster
Laowa 12mm f/2.8 Zero-D vs Brightin Star 12mm f/2 III
covers full frame vs 1 stop faster
Laowa 12mm f/2.8 Zero-D vs Sigma 12mm f/1.4 DC Contemporary
0.2× magnification vs 2 stops faster
7artisans 12mm f/2.8 Mark II vs Brightin Star 12mm f/2 III
Brightin Star 12mm f/2 III: 1 stop faster
7artisans 12mm f/2.8 Mark II vs Sigma 12mm f/1.4 DC Contemporary
Sigma 12mm f/1.4 DC Contemporary: 2 stops faster, autofocus