Canon RF 10-20mm F4 L IS STM vs Laowa 4.5-10mm f/2.8 CF Zoom Fisheye
Both are Canon RF lenses. Here is what actually differs.
Pick the Canon RF 10-20mm F4 L IS STM if
- You need more reach: 20mm vs 10mm at the long end
- You shoot handheld in dim light or video: it has optical image stabilization and the Laowa 4.5-10mm f/2.8 CF Zoom Fisheye does not
- You shoot full frame: the Laowa 4.5-10mm f/2.8 CF Zoom Fisheye is made for APS-C
- You care about the shape of out-of-focus highlights: 9 aperture blades vs 7
- Our notes say it suits: Landscapes, architecture and interiors, astro and wide video
Pick the Laowa 4.5-10mm f/2.8 CF Zoom Fisheye if
- You need 1 stop more light for low light or background blur (f/2.8 vs f/4)
- You want a wider view: 4.5mm vs 10mm at the wide end
- You shoot close-ups: it focuses down to 0.1 m vs 0.25 m
- You want bigger close-ups: 0.27× vs 0.12× maximum magnification
Spec differences
15 differences| Canon RF 10-20mm F4 L IS STM | Laowa 4.5-10mm f/2.8 CF Zoom Fisheye | |
|---|---|---|
| Brand |
Canon
|
Laowa
|
| Type |
Wide Zoom
|
Fisheye
|
| Format |
Full frame
|
APS-C
|
| Focal length |
10-20mm
|
4.5-10mm
|
| Max aperture |
f/4
|
f/2.8
1 stop faster
|
| Weight |
570 g
|
not listed
|
| Length |
112 mm
|
not listed
|
| Diameter |
83.7 mm
|
not listed
|
| Min focus distance |
0.25 m
|
0.1 m
closer
|
| Max magnification |
0.12×
|
0.27×
larger
|
| Aperture blades |
9
more blades
|
7
|
| Optical design |
16 elements / 12 groups
|
13 elements / 9 groups
|
| Autofocus motor |
STM
|
not listed
|
| Image stabilization |
Yes
stabilized
|
No
|
| Released |
2023
|
not listed
|
1 identical spec hidden: mount. Show all
- Mount
- Canon RF both
Our notes
Canon RF 10-20mm F4 L IS STM
A full-frame ultra-wide zoom for Canon RF mirrorless cameras with image stabilization and a constant f/4 aperture. L-series build.
Pros
- Very wide 10mm start
- Constant f/4
- Image stabilization
- L-series build
Cons
- Bulbous front element limits filter use
- Slower than f/2.8 wide zooms
- Software distortion correction is part of the design
Our notes
Laowa 4.5-10mm f/2.8 CF Zoom Fisheye
More comparisons
Canon RF 10-20mm F4 L IS STM vs Tamron 18-300mm F3.5-6.3 B061 RF
wider (10mm) vs ⅓ stop faster
Canon RF 10-20mm F4 L IS STM vs Laowa 10-18mm f/4.5-5.6 FE Zoom
Canon RF 10-20mm F4 L IS STM: ⅓ stop faster, more reach (20mm)
Canon RF-S 10-18mm F4.5-6.3 IS STM vs Laowa 4.5-10mm f/2.8 CF Zoom Fisheye
more reach (18mm) vs 1⅓ stops faster
Canon RF 10-20mm F4 L IS STM vs Laowa 8-16mm f/3.5-5 Zoom CF
more reach (20mm) vs ⅓ stop faster
Laowa 4.5-10mm f/2.8 CF Zoom Fisheye vs Sigma 10-18mm f/2.8 DC DN Contemporary
wider (4.5mm) vs more reach (18mm)
Canon RF 10-20mm F4 L IS STM vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
55 g lighter vs ⅓ stop faster