Canon RF 28-70mm F2L USM is a Fixed aperture Auto Focus (AF)
Standard Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with
RF Mount cameras.
What type of photography is the Canon RF 28-70mm F2L USM lens good for?
The type of photography that you are planning to use the Canon RF 28-70mm F2L USM is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Canon RF 28-70mm F2L USM is a member of Canon's RF L series of lenses. Below you can see the latest lenses in this series.
RF L Series Lenses in Canon RF Mount
Reasons to Buy Canon RF 28-70mm F2L USM Lens
Here we've included a summary of the advantages and disadvantages of the Canon RF 28-70mm F2L USM lens in a list form to help you determine whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Full-time Manual Focusing |
| Fast Aperture at Wide end |
| Fast Aperture at Tele end |
| Constant f2 aperture throughout the range |
| Covers Full-Frame Sensor |
| 9 Diaphragm Blades for Smooth Bokeh |
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| Lens Extents while zooming |
| Heavy |
| Pricey |
Lens Mount
Canon RF 28-70mm F2L USM is compatible with cameras that have a Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R100, Canon R8 and Canon R50.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Canon RF 28-70mm F2L USM has a maximum diameter of 104mm and total length of 140mm when not extended. It weighs 1430g / 50.4 oz.
Below you can find a scaled side-by-side image of Canon RF 28-70mm F2L USM and Canon RF 24-70mm F2.8L IS USM (Canon RF mount) to get a better idea of how their sizes compare in real life. Check the detailed comparison of these two lenses here.
Comparison image of the Canon RF 28-70mm F2L USM and the Canon RF 24-70mm F2.8L IS USM Size and Weight
Canon RF 28-70mm F2L USM has a filter thread of 95mm. Below are links to the filters that we recommend you to consider for your Canon RF 28-70mm F2L USM:
![https://cameradecision.com/lenses/img/other/Canon-RF-28-70mm-F2L-USM-topview.jpg]()
Canon RF 28-70mm F2L USM Lens Top View
Focal Range
Canon RF 28-70mm F2L USM has a focal range of 28-70mm and 2.5X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 44.8 - 112mm.
Weather Sealings
The Canon RF 28-70mm F2L USM is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the Canon RF 28-70mm F2L USM with a weather-sealed camera body such as the Canon R8, Canon R6 II and Canon R7.
Optical Image Stabilization
Canon RF 28-70mm F2L USM doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Alternatively, you can check the Canon RF 24-70mm F2.8L IS USM in Canon RF mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Canon RF 28-70mm F2L USM With Optical Image Stabilization
Zoom Method
Canon RF 28-70mm F2L USM features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
Canon RF 28-70mm F2L USM has a Max Magnification Ratio of 0.18x and has a minimum focusing distance of 0.39m. 0.18x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Below are the 3 Standard Zoom type Canon RF mount lens alternatives with highest max magnification ratios:
Aperture
Canon RF 28-70mm F2L USM is a fixed aperture lens with a constant max aperture of f2 from 28mm all the way to the 70mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
28mm
|
F2 |
F22 |
|
70mm
|
F2 |
F22 |
Optical Formula
Canon RF 28-70mm F2L USM's optical formula consists of 19 elements in 13 groups . Following special elements are used in this design:
- UD + aspherical elements
- Air Sphere
- SWC
- fluorine coatings
Body Colour
Canon RF 28-70mm F2L USM is available in Black color.
Popular Comparisons of Canon RF 28-70mm F2L USM
Here are the eight most popular comparisons of the Canon RF 28-70mm F2L USM amongst Camera Decision readers.
Top Alternatives of Canon RF 28-70mm F2L USM Lens
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