On 16 May 2005 at 12:27, Fred wrote:

> > this lens offers focal lengths equivalent from 76.5mm to 306mm (in the
> > 35mm format)
> 
> So, I guess Pentax is using a "1.53" conversion factor...

Which is technically more accurate than 1.5, the factor is 43.27mm/28.40mm

Cheers,


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
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http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998

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