Re: New AP scope and more

From: Dole (dolesteven_at_yahoo.com)
Date: 10/31/04 

Date: Sat, 30 Oct 2004 22:28:11 -0500

Plastic breaks down photo-chemically, bupkis.

Craig Levine wrote:

> On 30 Oct 2004 19:28:20 GMT, chris1011@aol.com (Chris1011) wrote:
>
> >Places where costs will come down will be wherever you can squeeze out some
> >materials, such as in ever thinner die-castings in the focusers, tubes and lens
> >cells. If you can mold them in plastic, even more cost savings can be realized.
> >Making them from raw aluminum thick walled blanks is the costliest way, but for
> >some reason there are still people who want the finished product made this way.
> >
> >Roland Christen
>
> Thanks for your clarifications Roland. I freely admit that I know
> bupkis about the manufacturing of large (or any, frankly) optic. As
> for the plastic/aluminum thing, plastic has a bad repuation. In many
> folks' mind, it says "cheap", despite its being more durable than
> aluminum and will take more knocks while acquiring fewer dings. I
> think many folks also equate plastic with cheap, made in China,
> products.
>
> - Craig