Re: [ATM] re: Lens maker for long focus lens

[Ken Hunter <atm_ken_hunter@yahoo.com>]

In Chicago, I'd be surprised if they ever got an
image. How would you set up and align something 100
feet away at the top of a flag pole in Windy City?

I'll make the lens but they have to prove it's not
right.

Ken Hunter


--- Ellen Mackenzie <mackenzieconsulting@sympatico.ca>
wrote:
> Hmmm put a 100 foot focal length lens on a flag pole
> in Chicago - - -catch
> the glint of the Sun off one of the buildings and
> you have a wonderful
> seismograph! They'd be better off with a Pinhole
> Camera - - -  a hole in the
> wall won't cost them anything. Ludites like that
> cost us our wonderful
> planetarium in Toronto.
> 
>                                                    
> Ellen
> 
> 
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