Canon EF 40mm STM AF frame selection?

Started Oct 24, 2012 | Questions thread
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Springf OP
Junior MemberPosts: 25Gear list
Re: Canon EF 40mm STM AF frame selection?
In reply to Thorbard, Oct 26, 2012

Thorbard wrote:

Springf wrote:

In the manual of this lens, under "About the AF frame selection" section, it says:

"High accuracy cross detection can be used in the center AF frame ........ for the following cameras:

EOS-1Ds ....... EOS-3"

basically here it only says a list of high end 1 series DSLRs from Canon. Does that mean people like me using an entry DSLR from Canon cannot activate the central cross f/2.8 AF point by using this lens?

Do we have a way to confirm that the central high sensitive f/2.8 AF point has actually been activated when focusing?

Can you quote the full text from the manual that is causing the confusion?

I don't have mine to hand at the moment and this has got my curiosity.

Also, what camera are you using the lens with?

The pdf doesn't allow me to copy. but I think you can read it here:

I am using 550D (T2i)

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Canon EOS 6D Sony Alpha 7R II Canon EF 50mm f/1.4 USM Canon EF 85mm f/1.8 USM Canon EF 40mm f/2.8 STM +3 more
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