On Nov 7, 2006, at 7:29 AM, Mark Roberts wrote:

> Here's a camera that used a similar shutter system: The Universal
> Camera Corp mercury and Mercury II
> http://www.cosmonet.org/camera/mercury_e.htm
> http://rick_oleson.tripod.com/index-25.html
> http://licm.org.uk/livingImage/Mercury2.html
> etc. etc.
> (http://www.google.com/search?hl=en&q=mercury+II+camera&btnG=Google 
> +Sear
> ch)
>
> Rather than changing the speed of rotation, the Mercury varied the  
> size
> of the slit between the two blades of the rotating shutter - I'm  
> pretty
> sure it was derived from a motion picture camera shutter.
>
> It was a "slightly-more-than-half-frame" camera, getting 40 exposures
> on a standard 24-exposure roll of film. I have a working Mercury II at
> home. I'll have to run a roll of film through it some time.

Pretty Neat, Mark. I think I saw one of those once upon a time. It's  
a lot bulkier than the Olympus shutter ... and depending upon how  
small the slit could become, it would then lose X sync beyond a  
certain shutter timing.

Godfrey

-- 
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net

Reply via email to