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Canon RF 28-70mm f/2 L USM Full-Frame Lens for RF-Mount {95}
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$3,336.00
Canon RF 28-70mm f/2 L USM: zoom range, prime aperture.
A constant f/2 aperture across a full zoom range is something no full-frame autofocus zoom offered before this lens existed. That single stop over f/2.8 translates to a real, measurable difference: faster shutter speeds in available light, lower working ISOs, and a shallower depth of field that primes in this focal range typically held exclusive claim to. The 19-element, 13-group optical formula incorporates aspherical elements alongside UD and Super UD glass to control chromatic aberration and distortion across the entire 28-70mm sweep. Canon's Air Sphere Coating and SubWavelength Structure Coating keep flare and ghosting in check even when shooting toward a light source.
The ring-type USM delivers fast, quiet focusing with full-time manual override, and the minimum focusing distance of 1.28 ft / 39 cm keeps close subjects accessible at any focal length. The configurable Control Ring on the barrel lets you dial in aperture, ISO, or exposure compensation directly without pulling your eye from the viewfinder. At 3.15 lb and 5.50 in long with a 95mm filter thread, this is a substantial piece of glass, but for working photographers who have previously carried four primes to cover this range, the trade-off is straightforward.
Who It's For
Wedding photographers shooting in dim reception halls get a full stop over standard zooms without swapping glass between speeches and first dances. Photojournalists covering events where the next moment is unpredictable benefit from prime-level sharpness at f/2 across 28mm to 70mm without committing to a single focal length. Portrait photographers using the 70mm end at f/2 get subject separation that a typical zoom simply cannot produce. Documentary shooters working in available light, from courtrooms to concerts, gain the flexibility to reframe quickly while keeping ISO under control.
Key Features
- Constant f/2 aperture across entire 28-70mm range
- World's first full-frame autofocus zoom with f/2 max aperture
- 19 elements in 13 groups with aspherical and UD glass
- Ring-type USM with full-time manual focus override
- Configurable Control Ring for aperture, ISO, exposure adjustment
- 95mm filter thread, 3.15 lb, 5.50 in length
- Minimum focusing distance 1.28 ft at all focal lengths
- Air Sphere and SubWavelength coatings reduce flare and ghosting
FAQ
- Does the RF 28-70mm f/2 have image stabilization?
- No optical IS. The lens relies on in-body stabilization from EOS R cameras like the R5, R6, and R8. The f/2 aperture compensates by enabling faster shutter speeds in low light.
- How does this lens compare in size to standard f/2.8 zooms?
- At 3.15 lb and 5.50 in long, it's larger than f/2.8 zooms but smaller than carrying four primes to cover 28-70mm. The weight feels manageable on EOS R bodies for handheld work.
- Can this replace dedicated prime lenses?
- For most work, yes. Image quality at f/2 matches what you'd expect from 28mm, 35mm, 50mm, and 70mm primes. You trade compact size for that versatility. If you need f/1.4 or f/1.2, you'll still reach for a prime.
- Is the lens weather-sealed?
- Yes. Dust and water-resistant construction with sealing at the mount, switch panel, and all rings. Fluorine coatings on front and rear elements repel water and simplify cleaning.
- What does the Control Ring do?
- Customizable ring on the barrel lets you directly adjust aperture, ISO, shutter speed, or exposure compensation without touching the camera menu. Features tactile clicking that Canon service can remove if you prefer silent operation.
- What focal lengths does 28-70mm actually cover in practice?
- Wide angle at 28mm (75° field of view) through short telephoto at 70mm (34° field of view). That range covers landscapes, environmental portraits, standard portraits, and compressed perspective work from a single lens.
- How close can you focus across the zoom range?
- Minimum focusing distance is 1.28 ft (39 cm) at any focal length, so you can get close to subjects without changing lenses.
| Specification | Value |
|---|---|
| Focal Length | 28-70mm |
| Max Aperture | f/2 |
| Min Aperture | f/22 |
| Mount | Canon RF |
| Filter Size | 95mm |
| Lens Format | Full Frame |
| Lens Mount | Canon RF |
| Aperture Range | f/2 - f/22 |
| Min Focusing Distance | 1.28 ft / 39 cm |
| Optical Groups | 13 |
| Optical Elements | 19 |
| Angle Of View | 75° - 34° |
| Length | 5.50 in / 139.8 mm |
| Maximum Diameter | 4.09 in / 103.8 mm |
| Package Weight | 4.02 lb |
| Box Dimensions | 11.6 x 6 x 6 in |
| Weight | 3.15 lb / 1,430 g |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Canon |
|---|---|
| Filter Size | 95mm coarse (1. pitch) |
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Canon EOS RF |
| Lens Type | Wide-Angle, Standard / Normal |
| Max Focal Length | 70mm |
| Min Focal Length | 28mm |
