[rollei_list] Re: Slide film is still alive
- From: Jim Brick <jim@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Sat, 23 Feb 2008 15:02:10 -0800
Here's the manual, with a description & pictures.
http://www.hasselbladhistorical.eu/PDF/HasManuals/PCP80.pdf
Each lens has a matched condenser, as the lens is shifted, the
condenser lens tilts up or down facing the rear of the lens. That's
all I can tell you other than it works. The projectors were made by
Zeiss and I have seen some really huge multi-projector shows
(Photokina & PMA) where registration & illumination were critical.
There is no discernible falloff in using lens shift with this projector.
Jim
On Feb 23, 2008, at 2:34 PM, Richard Knoppow wrote:
>
> ----- Original Message -----
> From: "Jim Brick" <jim@xxxxxxxxx>
> To: <rollei_list@xxxxxxxxxxxxx>
> Sent: Saturday, February 23, 2008 12:19 PM
> Subject: [rollei_list] Re: Slide film is still alive
>
>
>> The Hasselblad PCP-80 projector has vertical rise of the
>> lens,
>> parallel to the film plane. Level the projector then use
>> lens rise to
>> place the image on the screen. Everything is straight &
>> parallel.
>>
>> Jim
>>
>>
>> On Feb 23, 2008, at 11:19 AM, Richard Knoppow wrote:
>>
>>> (I don't know of any) have
>>> adjustments to allow parallelism of the optical path
>>> where
>>> the projector can not be exactly on axis to the screen.
>>
> How does it maintain uniform illumination? A rising
> front would put the lamp off the optical axis.
>
> ---
> Richard Knoppow
---
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