AHH... I see now, I shoot most of my IR with my 15/2.8 &
24/2.8 so DOF and/or focus is not a big issue.
With a tele the opposite would apply of course. I
learned to expose HIE properly as not to waste to
much of it at $12 a roll.
-Thanks
Dan
>
> DOF preview seems to satisfy the majority of people,
> but DOF preview is in itself isn't 100% accurate.
> Additionally, DOF preview doesn't help much if you
> want to capture the shot with the aperture wide open
> anyway.
>
> The whole concept with focus bracketing is that you
> ensure within a couple frames or so, that you captured
> exactly what you intended to get in focus. Very much
> like the concept of exposure bracketing. Of course,
> focus bracketing would be more useful at the larger
> apertures, and not so much when you intend to shoot
> closed down anyway.
>
> I do agree with Julian (and WJM?) that it would seem
> the best way to offset the focus correctly with IR
> film is to program it into the electronics of the
> camera/body system. And if the focus offset is
> already known, as it appears to be since all my lenses
> have these IR markings, then why not simply make it a
> custom function setting or mode? Hello Canon - you
> out there listening?
>
> Cheers,
> Cian
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