Fast and Small
The RF 28-70mm differs from its L-series counterpart (the RF 24-70mm f/2.8 L) by maintaining a much smaller and lighter form factor.
It does this through an advanced optical design and a more conservative, but still very capable, 28mm wide-angle starting point. When not in use, the lens can collapse into itself, resulting in an even greater space savings in a bag or when slung over a shoulder.
The relatively fast f/2.8 constant maximum aperture allows this lens key advantages over similarly sized options that opt for a more conventional f/4 aperture by enabling the creation of images with a shallower depth of field.
Portraiture and low-light shooting will benefit from the more pleasing bokeh and increased light-gathering capabilities, respectively.
L-Series Quality Optics
Canon has placed the optical performance of the RF 28-70mm at the same level as their famed L-series lenses. This is no small feat, especially for a lens that also manages to maintain a relatively small form factor. The advanced optical design of the lens helps ensure detailed imagery is captured throughout the zoom range and even when shooting wide open.
- Two Ultra-low Dispersion (UD) elements are located at the front of the lens design, a configuration previously found only on L-series lenses, which correct chromatic aberration and reduce the weight of the front lens group.
- Two glass-molded aspherical elements suppress aberrations and help maintain a compact overall lens size.
- Super Spectra Coating (SSC) reduces backlit flaring and ghosting for maintained light transmission and high contrast in strong lighting condition.
Key Features:
- Full-Frame | f/2.8 to f/22
- Compact & Fast Standard Zoom
- Stepper Motor (STM) Autofocus
- Optical Image Stabilizer
- Collapsible Design
- Customizable Control Ring
- Two UD and Two Aspherical Elements
- Super Spectra Coating (SSC)
- Rounded 9-Blade Diaphragm
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