Glad to get some more corroboration on this.  When I mentioned my
observation to Bruce he agreed as well. This means, IMO, that an 18mm (or
whatever focal length) is not effectively a 28mm (or whatever other
effectively similar focal length) when used in an istD or digi with a
similar sized sensor.  This, then, begs the question of how one might get a
similar perspective and AOV when using a digi as when using a full frame
body.  Am I missing something?

Shel 


> [Original Message]
> From: Cotty 

> >This also answers a question about comparative focal lengths on a film
and
> >digi SLR.  Using the 18mm on Bruce's istD didn't seem to give the same
view
> >as when using a 28mm on a film body.  While the AOV may have been
similar,
> >there seemed to be a different perspective.
>
> Yes, I have noticed something similar when I was using a 1.6 crop digi.
> The effect is less pronounced with a 1.3 crop, but at price. I guess in 5
> years or so when there are a few more (affordable) full frame digis
> around, it will be less of an issue....
>
>
> Cheers,
>   Cotty
>
>
> ___/\__
> ||   (O)   |     People, Places, Pastiche
> ||=====|    http://www.cottysnaps.com
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