Gunars Smerlins wrote:

> I was working with both lenses and was shocked to see that 
> angle of view of
> 28-135 at 100mm position and 100/2.8 makro is not the same. 
> 28-135 at 100mm
> position is definitely wider. Can somebody check their lenses?
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Gunars,

On zoom lenses focal lengths and markings on the barrel for the same are
not precise.
For example, a 70-200mm lens may be 73mm to 187mm and the 100mm position
as marked may really be 94mm.

Peter K

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