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New Contributor
Posts: 1
Registered: ‎09-20-2018

Canon 24-70 F/4 Macro feature quick q

Quick question for those of you with the 24-70 F/4. Tried searching but couldn't get a concrete answer. The macro feature of this lens is activated by turning it past the 70mm length... can it be used throughout the focal range or is it only at 70mm? The main reason why I ask this is because I want to utilize the short minimum focus distance at 30mm-35mm but not at 70mm.

Thank you for your help Smiley Happy

edit: would like to say off the bat that the 100mm macro is not possible as it is too tight for my project.

VIP
Posts: 10,916
Registered: ‎12-07-2012

Re: Canon 24-70 F/4 Macro feature quick q

The good thing about 24-70/4 IS is that it already focuses very close, if you need to get even closer, you turn the zoom ring past the 70mm mark and it will focus even closer.  That feature is just a focus aid not a zooming feature.

EOS 1DX and 1D Mk IV, even less and less other stuff.
Esteemed Contributor
Posts: 3,800
Registered: ‎06-11-2013

Re: Canon 24-70 F/4 Macro feature quick q

If you need to get closer, you can pick up an extension tube.

 

For example the Canon Extension Tube EF 12 II.  This mounts the lens slightly farther away from the body and it shifts the entire focus range of the lens (the close-focusing distance is even closer ... but the “far” focusing distance is also closer (so the lens wont focus all the way to infinity when the extension tube is attached.)

 

Camera metering changes when you use an extension tube, but the camera knows how to detect the Canon extension tube and it compensates correctly.  Kenko makes low-cost extension tubes (and they are popular due to their low cost).  I’m not sure if the camera picks up the metering change with those.  

 

In any case, the extension tube is merely a hollow barrel ... no glass.  So there’s no difference w.r.t. “optical” quality.  

 

 

Tim Campbell
5D III, 5D IV, 60Da
New Contributor
Posts: 4
Registered: ‎01-02-2019

Re: Canon 24-70 F/4 Macro feature quick q

[ Edited ]

The good thing about 24-70/4 IS is that it already focuses very close, if you need to get even closer, you turn the zoom ring past the 70mm mark and it will focus even closer.  [link removed per forum guidelines]

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