Lens choice for Safari (Canon 70D) - Hire or Buy

RichardtheSane said:
Extenders sit between the lens and body.
You remove the lens, fit the extender to lens or body (personal preference, I always fit to body) then fit the lens back on.
Click to expand...
Just looked at this thread...a slight but important aside of general interest, I saw Richard's post and would like to point out that Canon recommend fitting extenders to a lens and then fitting the combo to a body, otherwise I'm told there could be autofocus problems.

Don't ask me why, but I've heard this from a couple of Canon employees who should know.
 
George said:
Just looked at this thread...a slight but important aside of general interest, I saw Richard's post and would like to point out that Canon recommend fitting extenders to a lens and then fitting the combo to a body, otherwise I'm told there could be autofocus problems.

Don't ask me why, but I've heard this from a couple of Canon employees who should know.
Click to expand...

Indeed, and that is what I usually do.
However in a dusty/damp environment if I do have to fit extenders then the extender goes on the body first. Remove lens, extender on body, refit lens. Reduces dust ingress into the body (although you have to weigh this up with dust ingress into the lens)
 
RichardtheSane said:
Indeed, and that is what I usually do.
However in a dusty/damp environment if I do have to fit extenders then the extender goes on the body first. Remove lens, extender on body, refit lens. Reduces dust ingress into the body (although you have to weigh this up with dust ingress into the lens)
Click to expand...
Well, the point I am making is that if you do that, you may (and I stress "may") affect adversely the lens af performance....
 
George said:
Well, the point I am making is that if you do that, you may (and I stress "may") affect adversely the lens af performance....
Click to expand...

Indeed, I think it is a risk worth taking though :)
 
I only pass this on for what it's worth, when it comes from the CPS I tend to think it could be worth taking note of...up to you, though!!
 
MartynK said:
OutdoorPhoto (ODP) is owned by Hedrus Van Der Merwe. He's also a professional wildlife photographer and a hell of a decent guy. I'd send him a mail, explain where you're going, and ask him about the best lens(es). You can trust him, or any of his staff to give you good advice, and they know the game reserves etc.
Click to expand...
If its not too late, this is the way to go.
 
George said:
I only pass this on for what it's worth, when it comes from the CPS I tend to think it could be worth taking note of...up to you, though!!
Click to expand...

It's actually in the Canon extender manual - extender to lens and then combo to camera. It prevents the camera getting one set of comms from the extender, then overlaid with another lot when the lens goes on top.

No idea if it makes any difference.
 
You must log in or register to reply here.
Back
Top