Canon RF 14-35mm F4 L IS USM vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
Both are Canon RF lenses. Here is what actually differs.
Pick the Canon RF 14-35mm F4 L IS USM if
- You want the lighter lens to carry: 85 g lighter (540 g vs 625 g)
- You want a wider view: 14mm vs 16mm at the wide end
- You shoot full frame: the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary is made for APS-C
- You want a compact lens: 99.8 mm vs 121.4 mm long
- Our notes say it suits: Landscapes, travel, architecture
Pick the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary if
- You need ⅓ stop more light for low light or background blur (f/3.5 vs f/4)
- You need more reach: 300mm vs 35mm at the long end
- You shoot video: Linear motor autofocus is smooth and quiet (the Canon RF 14-35mm F4 L IS USM uses USM)
- You want bigger close-ups: 0.5× vs 0.38× maximum magnification
- You prefer a newer design: released 2025 vs 2021
Spec differences
15 differences| Canon RF 14-35mm F4 L IS USM | Sigma 16-300mm f/3.5-6.7 DC OS Contemporary | |
|---|---|---|
| Brand |
Canon
|
Sigma
|
| Type |
Wide Zoom
|
Superzoom
|
| Format |
Full frame
|
APS-C
|
| Focal length |
14-35mm
|
16-300mm
|
| Max aperture |
f/4
|
f/3.5
⅓ stop faster
|
| Weight |
540 g
lighter
|
625 g
|
| Length |
99.8 mm
shorter
|
121.4 mm
|
| Diameter |
84.1 mm
|
73.8 mm
slimmer
|
| Filter thread |
77 mm
|
67 mm
|
| Min focus distance |
0.2 m
|
not listed
|
| Max magnification |
0.38×
|
0.5×
larger
|
| Optical design |
16 elements / 12 groups
|
20 elements / 14 groups
|
| Autofocus motor |
USM
|
Linear motor
|
| Weather sealing |
not listed
|
Yes
|
| Released |
2021
|
2025
|
3 identical specs hidden: mount, aperture blades, image stabilization. Show all
- Mount
- Canon RF both
- Aperture blades
- 9 both
- Image stabilization
- Yes both
Our notes
Canon RF 14-35mm F4 L IS USM
The RF 14-35mm F4 L IS USM is a compact stabilized wide zoom for Canon RF full-frame cameras. Starts at 14mm and keeps f/4 throughout.
Pros
- Wide 14mm start
- Compact and light (540 g)
- Image stabilization
- Constant f/4
Cons
- Only f/4
- Relies on software lens correction
- Less light than the 15-35 f/2.8
Our notes
Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
More comparisons
Canon RF 14-35mm F4 L IS USM vs Tamron 18-300mm F3.5-6.3 B061 RF
wider (14mm) vs ⅓ stop faster
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
Canon RF 14-35mm F4 L IS USM vs Laowa 10-18mm f/4.5-5.6 FE Zoom
⅓ stop faster vs wider (10mm)
Canon RF 14-35mm F4 L IS USM vs Laowa 8-16mm f/3.5-5 Zoom CF
more reach (35mm) vs ⅓ stop faster
Tamron 18-300mm F3.5-6.3 B061 RF vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
Sigma 16-300mm f/3.5-6.7 DC OS Contemporary: wider (16mm), more blades
Laowa 8-16mm f/3.5-5 Zoom CF vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
wider (8mm) vs more reach (300mm)