[rollei_list] Re: Fw: Help forRollei P35A projector.

A-MEN,,,,,ed
-------------- Original message from "Richard Knoppow" 
<dickburk@xxxxxxxxxxxxx>: -------------- 


> 
> ----- Original Message ----- 
> From: "David Row" 
> To: 
> Sent: Thursday, January 24, 2008 6:13 AM 
> Subject: [rollei_list] Fw: Help forRollei P35A projector. 
> 
> 
> > ----- Original Message ----- 
> > From: David Row 
> > To: rollei_list@xxxxxxxxxxxx 
> > Sent: Thursday, January 24, 2008 5:23 PM 
> > Subject: Help forRollei P35A projector. 
> > 
> > 
> > I feel so sad to throw away my now obsolete Rollei Slide 
> > projecor P35A. 
> > 
> > My problem is that I have all the Lenses but woud very 
> > much like to see a smaller projected picture in my small 
> > hall. I would be able to give details like lens used and 
> > distance and size of projected picture etc if someone 
> > out there wants this info. 
> > 
> > David Row 
> > Singapore. 
> > --- 
> > Rollei List 
> > 
> You can calculate the focal length of the lens needed if 
> you know the distance of the projector from the screen 
> (throw) and the size of the screen, that is, the size of the 
> image you want. You already know the size of the 
> transparency. 
> There may not be a standard lens of the right focal 
> length available. Of course the easy answer is to move the 
> projector closer to the screen if you can. 
> Nothing is obsolete if it still does the job. 
> 
> --- 
> Richard Knoppow 
> Los Angeles, CA, USA 
> dickburk@xxxxxxxxxxxxx 
> 
> 
> --- 
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