On 4 Feb 2006 at 17:42, Jan van Wijk wrote:
 
> Quality seems quite good, can hardly see a difference between
> this 1.7 one and the two 1.4x or 2x L converters when used on
> the 300mm (and 510mm f/5 on the *istD is good for wildlife :-)

>From a set of semi-formal tests using the AF1.7, 1.4X-L and 2-XL convertors my 
1.7 appeared to perform the best. It offered optimum performance at wider 
apertures than the X-L convertors on the four 200mm + lenses that I tested them 
with.


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998

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