----- Original Message ----- 
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Sunday, April 03, 2005 1:22 PM
Subject: EOS focusing
> Folks
> My 1D and 100-400mm is not as sharp as it once was and I'm still learning
> the 1D.  Any advice for settings or am I just being too novice?
> Grant Westerson

You wouldn't have reached the age for spectacles or a change of prescription
? <g>
Being astigmatic and wearing specs all the time, I have enormous problems
with eyepieces etc.

How about mounting your lens on a firm* tripod, and shooting some test shots
without IS engaged, and with a high shutter speed. Take several shots at
what your camera focused on, and a few more under manual control with the
focus slightly shifted.  Keep good notes and compare results.

*This may be quite difficult as many tripods are nowhere near as firm as
we'd like for critical tests such as these.

Malcolm
Milton Keynes, UK
http://www.megalith.freeserve.co.uk/oddimage.htm

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