On 22 Apr 2001, at 8:21, [EMAIL PROTECTED] wrote:
> Others on the list will question whether the A's are an upgrade. The
> construction of the A's includes plastic parts, while the older M & K lenses
> are all metal. I notice the difference, but don't really mind. I'll trade
> the metal aperture ring of the M for the A function.
Hi Bob et. al,
You will find that most of the "top-end" A series lenses have very little plastic
in there construction and few have plastic aperture rings. Maybe some
information on the use of plastics in lens construction can be included in
Bozs' pages?
Cheers,
Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
Fax +61-2-9554-9259
UTC(GMT) +10 Hours
[EMAIL PROTECTED]
http://www.ozemail.com.au/~distudio/publications.html
-
This message is from the Pentax-Discuss Mail List. To unsubscribe,
go to http://www.pdml.net and follow the directions. Don't forget to
visit the Pentax Users' Gallery at http://pug.komkon.org .
