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Canon EF 24-70mm f/4L IS USM Lens Review

The Canon EF 24-70mm f/4L IS USM is a newer lens that is an alternative to the EF 24-70mm f/2.8 II IS USM and the EF 24-105mm f/4L IS USM. This lens offers Image stabilization over the f/2.8 version, but a shorter focal length compared to the 24-105 f/4L in favor of closer focusing capabilities. The lens features Canon’s superior “L” series build quality, and USM focusing for fast and silent auto focus operation.

What I Like

This lens is nearly a Macro lens with a max magnification of 0.7x (true macro is 1.0x).

What I Don’t Like

I was surprised that this lens came in using 77mm filter threads. This is the same size as the 24-105mm and in theory since this lens only goes to 70mm on the long end, should not need to be this large. I had really hoped the lens would use 67mm filter threads making it the perfect companion to the 702–mm f/4L twins. Price wise it seems to be very competitive to the 24-105mm f/4L IS lens. This causes me to ponder if this lens is to replace the 24-105mm f/4L IS USM in the future.

The Bottom Line

I have not officially tested this lens yet, but from what I have seen it seems to be a decent performer. As mentioned in the “what I don’t like” I was put off by the size of the lens, but perhaps I have unrealistic expectations. Personally I prefer the 24-105mm f/4L IS USM since the additional 70-105mm zoom is very useful for me. If the 24-70mm f/4 had a 67mm filter thread then I would have probably purchased it instead and matched it up with the 70-200mm f/4L IS USM lens.


  • Canon EF 24-70mm f/4L IS USM - $999.99

*Pricing from Manufacturer's website - Current selling price may be different.

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Overall User Rating

4.55 out of 5

based on 849 user reviews online.

: 74% (631.14)
: 16% (135.34)
: 3% (27.72)
: 3% (23.72)
: 4% (31.08)



Focal Length 24 - 70 mm
Max Aperture f/4
Minimum Aperture f/22
Minimum Focus distance 15 inches
Maximum Magnification 0.7x
Number of Elements 15
Number of Groups 12
Aperture Blade Design Rounded
Number of Aperture Blades 9
Filter Size 77 mm
Diameter 3.28 in.
Length 3.66 in.
Weight 1.32 lbs.
Lens Mount Construction Metal
Tripod Collar None
Weather Sealed Yes
Distance Scale Yes - No Hyper Focal Markings
Image Stabilization Yes
Lens Shade Included

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