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Canon 24-70 f/4L IS USM Options
photoling
Posted: Thursday, August 3, 2017 9:39:49 AM

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With 2 aspheric and 2 UD elements, the EF 24-70mm f/4L IS USM delivers high- quality images with excellent detail throughout the entire zoom range. A 9-blade circular diaphragm delivers beautiful, soft backgrounds. It offers a minimum focusing distance of 1.25 ft./0.38m across the entire zoom range and has a macro mode at the telephoto end with up to 0.7x magnification (minimum focusing distance becomes 7.87 in./0.2m) and is easily accessible with a one-touch switch. It features a Hybrid IS system with up to 4 stops of stabilization, compensating for both angular and shift types of camera shake, delivering effective stabilization even in macro. Inner focusing and ring-type USM deliver, fast, quiet AF, and full-time manual focus is available for manual focusing even while in AF mode. The durable EF 24-70mm f/4L IS USM is sealed for excellent dust and water resistance plus has fluorine coating on the front and rear elements reducing smears and fingerprints.

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Posted: Thursday, August 3, 2017 9:39:49 AM
 
photoling
Posted: Thursday, August 3, 2017 9:41:59 AM

Rank:Advanced Member
Groups: Member
Joined: 12/11/2015
Posts: 371
Points: 1413

In terms of Minimum Focus Distance and Maximum Magnification the EF 24-70mm f/4 is more useful. It has a Macro mode with an MFD spec of only 7.9" that yields an MM of 0.7X. In comparison the EF 24-70mm f/2.8 L II has an MFD of 15" and an MM of 0.21X which is more typical of a normal zoom. If you need to shoot subjects close up at near 1:1 macro magnification then the EF 24-70mm f/4 offers utility that the other lens lacks.

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