>> Julian Loke <[EMAIL PROTECTED]>
>> To see if 44 of the 45 sensors on the EOS 3 shuts off beyond f/5.6, as
>> per spec, you will need to mount an f/8 lens.
> "Tim Munro" <[EMAIL PROTECTED]> wrote:
> Hi Guys, I was just packing my bag ready for tomorrow while reading emails
> and thought I could help out. I put the 70-200/4 + 2x TC on the -3 and took
> it outside. Only the centre sensor is available. The others are not
> selectable manually of with ECF. I was able to lock focus with both
> horizontal and vertical objects in moderate sunlight, but it was fairly slow
> and did hunt several times. AF at f8 is not something I would recommend for
> this body. ...
G'day Tim,
Thanks for the information! I think that AF could be slow and unreliable
because of the combination of a single-direction focussing sensor and the
f/8 aperture.
But then, AF at f/8 was one of the EOS 3's selling points. And Canon
marketing routinely showed the EF 28-135mm f/3.5-5.6 IS USM lens as the
"standard" lens for the EOS 3, when it doesn't do so well with the f/5.6
either.
Marketing!
Julian Loke
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