> "Collyer Young" <[EMAIL PROTECTED]> wrote:
> Also I did not know the 1v can only focus on vertical detail at
> f/5.6 with the EF 28-135mm IS! The 1v is my first EOS camera
> so I am completely new to the terminology.
> Are there EOS cameras that can focus in the horizontal (as well
> as the vertical formats) at f/5.6?
> At what f-stop will the high precision focus sensor be activated?
Hi Collyer,
The 3 and 1v high precision system is supposed to activate at f/2.8
http://www.canon.com/eos/af_tech.html
http://bobatkins.photo.net/info/faq30/eos3af.html
To find out about the autofocus capability of EOS cameras, try:
Photozone:
http://photozone.de/canoncamera.htm
or the Canon Camera museum:
http://www.canon.com/camera-museum/
or this one-page summary (in draft) at eosdoc:
http://eosdoc.com/manuals.asp?q=AFcompat
Cheers
Julian Loke
P.S. Have you received your new EOS 1v and EF 28-135 lens yet?
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