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-   -   EF-S lens on 5D, here's what happened... (https://www.dvinfo.net/forum/canon-eos-full-frame-hd/499768-ef-s-lens-5d-heres-what-happened.html)

Bill Grant August 19th, 2011 11:58 AM
EF-S lens on 5D, here's what happened...
 
So, what happens when you try to attach an EF-S lens to a EF mount? This thing falls out...

CANON EOS 5D Mark II Focusing Screen Installation Instruction

Scary! good news is all you have to do is just put it right back in and snap the tray closed, but that will freak you out man!
Bill

John Vincent August 23rd, 2011 07:51 PM
Re: EF-S lens on 5D, here's what happened...
 
Can't quite tell from the link - does removing the focusing screen allow you to use EF-S lenses?

Justin Molush August 23rd, 2011 09:16 PM
Re: EF-S lens on 5D, here's what happened...
 
EF-S doesn't have enough coverage for FF - the vignetting will be outrageous.

Bill Grant August 23rd, 2011 11:40 PM
Re: EF-S lens on 5D, here's what happened...
 
It was an accident. I would not attempt it especially at a wedding.

Greg Fiske August 24th, 2011 08:49 AM
Re: EF-S lens on 5D, here's what happened...
 
Tokina 11-16 is one exception.

Peer Landa August 24th, 2011 09:42 PM
Re: EF-S lens on 5D, here's what happened...
 
Quote:
Originally Posted by Bill Grant (Post 1676155)
So, what happens when you try to attach an EF-S lens to a EF mount? This thing falls out... CANON EOS 5D Mark II Focusing Screen Installation Instruction
Although I'm a bit confused by the subject title vs. the provided link, I wonder if anyone knows how well those split-image focus screens work on a 5D2, using an external monitor (V5600 5.6").

-- peer

Dylan Couper August 24th, 2011 10:59 PM
Re: EF-S lens on 5D, here's what happened...
 
Quote:
Originally Posted by Greg Fiske (Post 1677247)
Tokina 11-16 is one exception.
Exception in what way? In that there's no collision with anything or that it covers the sensor?

Evan Donn August 25th, 2011 06:59 PM
Re: EF-S lens on 5D, here's what happened...
 
Quote:
Originally Posted by Peer Landa (Post 1677441)
I wonder if anyone knows how well those split-image focus screens work on a 5D2, using an external monitor (V5600 5.6").
They would work exactly the same as the current screen - they have no effect in any way on video mode, whether using an external monitor or the built-in LCD. They are designed to improve manual focus when looking through the viewfinder and are thus only useful for still shooting.

Ted Ramasola August 25th, 2011 08:00 PM
Re: EF-S lens on 5D, here's what happened...
 
Quote:
Originally Posted by Dylan Couper (Post 1677456)
Exception in what way? In that there's no collision with anything or that it covers the sensor?
maybe he means that at 16mm this efs lens is usable at 16mm or 15.5mm on the 5D.

I have this lens and on the 5D 16mm is wider than at 11mm on the 7D.

Bill Grant August 26th, 2011 06:47 AM
Re: EF-S lens on 5D, here's what happened...
 
Well,
All I can tell you is when my assistant tried to attach the EF-S lens to the 5D that screen popped out. Someone pointed me to that link after asking what this thing was and if I could fix it myself. Be warned :)

Greg Fiske August 29th, 2011 04:31 PM
Re: EF-S lens on 5D, here's what happened...
 
Quote:
Originally Posted by Ted Ramasola (Post 1677706)
maybe he means that at 16mm this efs lens is usable at 16mm or 15.5mm on the 5D.

I have this lens and on the 5D 16mm is wider than at 11mm on the 7D.
Yeah, thats what I meant and how I use it. No problems with the focus screen clearing the lens.


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