Should I get the Canon EF 24-70mm f/4L IS or 24-105mm f/4L IS II Lens?

With two excellent, similarly-priced general purpose zooms available for Canon users, both of which feature an f/4 maximum aperture, weather sealing, great AF performance and image stabilization, choosing between the EF 24-70mm f/4L IS USM and EF 24-105mm f/4L IS II USM can be a challenge.
 
The primary and significant advantage held by the 24-105 f/4L IS II is the extra 35mm of focal length range on the long end.
 
The 24-70 f/4L IS is a smaller and slightly lighter lens. It is 0.99" (25mm) shorter when retracted (actual measured length) and 1.25" (31.8mm) shorter with the hood installed. The 24-70 weighs 6.7 oz. (189.9g) less with hood installed (actual measured weight). Are these differences? Yes. Are they significant ones? Possibly.
 
For many, a more significant advantage of the 24-70 is its very impressive macro capability. A 0.70x maximum magnification from a non-prime-macro lens is eye-opening and significantly more impressive than the 24-105L II's 0.24x spec. However, it should be kept in mind that a 12mm extension tube can push the 24-105 to 0.60x maximum magnification. Disclaimer: I have not made an image quality comparison with the extension tube in play.
 
Image quality comparisons I have made show that:
 
The lenses are more similar than they are different in terms of sharpness. The 24-70 has less CA at 24mm, but more at 70mm. The two lenses have a similar amount of vignetting aside from at 24mm where the 24-105 has an advantage even stopped down. The 24-105 shows less flare effects while the 24-70 has less linear distortion.
 
Affecting image quality on a limited basis is the aperture blade count. The 24-70 has 9 blades vs. the 24-105 L's 10. This difference will primarily be noticed when point light sources are photographed at narrow apertures, with the odd blade numbered aperture creating 18-point sun stars vs the even's 10-point stars.
 
On the whole, I would not consider image quality to be a primary differentiating factor between these two lenses.
 
There is a minor difference in these lens' IS systems. The 24-70 features Canon's 4-stop Hybrid Image Stabilization, correcting both angular and shift movement in macro mode. The 24-105 L has 4-stop non-Hybrid Image Stabilization.
 
The Price
 
If price remains a deciding factor for you ... the Canon EF 24-70mm f/4L IS USM's retail price is slightly lower than the freshly released EF 24-105mm f/4L IS II USM's, though rebates will likely increase or decrease the price differential from time to time.
 
Get your Canon EF 24-70mm f/4L IS USM Lens or Canon EF 24-105mm f/4L IS II USM Lens from B&H.
Posted: 3/10/2017 6:34:36 AM CT   Posted By: Sean
Posted to: Canon News
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