In a message dated 12/20/2005 6:03:07 AM Pacific Standard Time, 
[EMAIL PROTECTED] writes:
On 12/20/05, Don Sanderson <[EMAIL PROTECTED]> wrote:
> Maybe someone can enlighten me.
> Some zoom lenses are physically longest at
> their longest focal length, such as the FA24-90.
> Others, like the FA28-70/4 AL are physically
> shortest at their longest FL.
> Does anyone know why this is, and what
> advantage or disadvantage each design has?
> I get along much better with short physical length
> lenses simply because a bit of movement at the
> camera isn't amplified so much at the end of the
> lens.
> Just curious.

I figure they're just screwing around with us...

-frank
=========
Hehehehe.

Lens design does seem rather arbitrary at times.

Marnie 

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