
Canon
Canon 0573C002 EF 16-35mm f/2.8L III USM Lens Bundle
Professional ultra-wide zoom lens with constant f/2.8 aperture and advanced optics for stunning wide-angle photography.
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Overview
Specifications
Brand
Canon
Model
0573C002
Focal Length
16-35mm
Maximum Aperture
f/2.8
Lens Construction
16 elements in 11 groups
Angle of View
108°10' – 63°00'
Focus System
AF with full-time manual override (USM)
Closest Focusing Distance
0.92 ft / 0.28m
Filter Size
82mm
Aperture Blades
9 (rounded)
Pros & Cons
👍 Pros
- Constant f/2.8 maximum aperture performs well in low light and provides consistent exposure across the entire zoom range
- 16 elements in 11 groups deliver sharp, high-contrast images with minimal distortion for an ultra-wide zoom
- Full-time manual focus override allows precise focus adjustments without switching out of autofocus mode
- Weather-sealed L-series construction withstands demanding shooting conditions
- Ultra-wide 108-degree angle of view at 16mm excels at landscapes, architecture, and interior photography
👎 Cons
- No optical image stabilization, which can be a limitation for handheld video or very slow shutter speed work
- 82mm filter size is larger and more expensive than filters for many other lenses
- Significant size and weight compared to smaller-aperture wide-angle zoom alternatives
- Designed for the Canon EF mount only, requiring an adapter for use on Canon mirrorless RF-mount bodies
Frequently Asked Questions
What camera mount does the Canon EF 16-35mm f/2.8L III use?
This lens uses the Canon EF mount, making it compatible with Canon full-frame and APS-C EOS DSLR bodies. On APS-C cameras, the effective focal length is approximately 25.6-56mm.
What filter size does this lens require?
The Canon EF 16-35mm f/2.8L III uses 82mm front filters, which is standard across Canon's latest L-series wide-angle zooms.
How close can this lens focus?
The minimum focusing distance is 0.92 feet (0.28 meters), allowing you to get reasonably close to subjects while still using the ultra-wide perspective.
Does this lens have image stabilization?
No, the EF 16-35mm f/2.8L III USM does not include optical image stabilization. The fast f/2.8 aperture helps compensate by allowing faster shutter speeds in low light.
How many aperture blades does the lens have?
It features 9 rounded aperture blades, which contribute to smooth, pleasing bokeh in out-of-focus areas — particularly useful when shooting at f/2.8 with close subjects.