Canon 20-35mm f3.5-4.5 USM is a Variable aperture Auto Focus (AF)
Ultra-Wideangle Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with
EF Mount cameras.
What type of photography is the Canon 20-35mm f3.5-4.5 USM lens good for?
The type of photography that you are planning to use the Canon 20-35mm f3.5-4.5 USM is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy Canon EF 20-35mm f3.5-4.5 USM Lens
Here we've included a summary of the advantages and disadvantages of the Canon EF 20-35mm f3.5-4.5 USM lens in a list form to help you determine whether it offers the features you need.
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Full-time Manual Focusing |
| Internal Focusing |
| Covers Full-Frame Sensor |
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| No Weather Sealing |
| Hood is not supplied |
| Variable Aperture |
Lens Mount
Canon 20-35mm f3.5-4.5 USM is compatible with cameras that have a Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
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Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Canon 20-35mm f3.5-4.5 USM has a maximum diameter of 84mm and total length of 69mm. It weighs 340g / 12.0 oz.
Canon 20-35mm f3.5-4.5 USM has a filter thread of 77mm. Below are links to the filters that we recommend you to consider for your Canon 20-35mm f3.5-4.5 USM:
Focal Range
Canon 20-35mm f3.5-4.5 USM has a focal range of 20-35mm and 1.8X zoom ratio. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 32 - 56mm.
Optical Image Stabilization
Canon 20-35mm f3.5-4.5 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 16-35mm f4L IS USM in Canon EF mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Canon 20-35mm f3.5-4.5 USM With Optical Image Stabilization
Zoom Method
Canon 20-35mm f3.5-4.5 USM features Rotary (internal) zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compared to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Canon 20-35mm f3.5-4.5 USM has a Max Magnification Ratio of 0.13x and has a minimum focusing distance of 0.34m. 0.13x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Below are the 3 Ultra-Wideangle Zoom type Canon12 mount lens alternatives with highest max magnification ratios:
Aperture
Canon 20-35mm f3.5-4.5 USM is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 20mm, and a max aperture of f4.5 and minimum aperture of f27 at 35mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
20mm
|
F3.5 |
F22 |
|
35mm
|
F4.5 |
F27 |
Optical Formula
Canon 20-35mm f3.5-4.5 USM's optical formula consists of 12 elements in 11 groups .
Lens Hood
Canon 20-35mm f3.5-4.5 USM doesn't come with a lens hood. You have to order the hood separately and the model number of the hood is EW-83II.
Body Colour
Canon 20-35mm f3.5-4.5 USM is available in Black color.
Popular Comparisons of Canon 20-35mm f3.5-4.5 USM
Here are the eight most popular comparisons of the Canon 20-35mm f3.5-4.5 USM amongst Camera Decision readers.
Top Alternatives of Canon 20-35mm f3.5-4.5 USM Lens
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