8mm Forum


  
my profile | my password | search | faq | register | forum home
  next oldest topic   next newest topic
» 8mm Forum   » 8mm Forum   » Question on Comet (Cirse) 8mm projector

 - UBBFriend: Email this page to someone!    
Author Topic: Question on Comet (Cirse) 8mm projector
Clinton Hunt
Jedi Master Film Handler

Posts: 845
From: Waharoa,North Island,New Zealand
Registered: May 2010


 - posted January 27, 2017 08:11 PM      Profile for Clinton Hunt   Author's Homepage     Send New Private Message       Edit/Delete Post 
The piece that's missing on the back of the lamp area might be easy to fix by simply blocking the hole .... QUESTION - if I place a reflector over the hole it makes no difference to the brightness of the projected image than if I simply place me hand over it - what do you think or suggest?
 -
 -

--------------------
Cheers from me in New Zealand :-)

 |  IP: Logged

Will Trenfield
Jedi Master Film Handler

Posts: 506
From: Shrewsbury, Shropshire, UK
Registered: Mar 2016


 - posted January 28, 2017 05:21 AM      Profile for Will Trenfield   Email Will Trenfield   Send New Private Message       Edit/Delete Post 
A missing name plate perhaps?

 |  IP: Logged

Paul Adsett
Film God

Posts: 5003
From: USA
Registered: Jun 2003


 - posted January 28, 2017 07:40 PM      Profile for Paul Adsett     Send New Private Message       Edit/Delete Post 
Clinton, I'm pretty sure that the hole in the back is a location for a spherical or parabolic mirror. It's possible that just putting a flat mirror in that location does not significantly increase the screen brightness. It's also possible that putting a spherical or parabolic mirror in that location does not do too much either! Both the Bell & Howell Regent/606h and its clone the Revere 88 have a curved reflector in this location.
If I were you, unless you can find the proper mirror, I would just block off the hole with a piece of metal. Better still, convert the projector to efficient 12 volt 100 watt halogen lighting, which would not be too hard to do and would give you a brighter picture. Cirse themselves later made these machines with the 8 volt 50 watt lamp 'spaceman' lamp, but these are very expensive now.
Here is a Cirse Ad from ACW July 1958:

 -

--------------------
The best of all worlds- 8mm, super 8mm, 9.5mm, and HD Digital Projection,
Elmo GS1200 f1.0 2-blade
Eumig S938 Stereo f1.0 Ektar
Panasonic PT-AE4000U digital pj

 |  IP: Logged

Clinton Hunt
Jedi Master Film Handler

Posts: 845
From: Waharoa,North Island,New Zealand
Registered: May 2010


 - posted January 28, 2017 08:56 PM      Profile for Clinton Hunt   Author's Homepage     Send New Private Message       Edit/Delete Post 
Hi Paul,
thanks for the info and thoughts and for the great advert [Smile]
I'm sure it was for a spherical or parabolic mirror also,I do have a mirror like that (from a 8mm old projector that was junk) so i placed it over the hole and that's where I thought it made no difference.
I have a Nilus as shown in that ad so I will take it out of its case and have a look.
But I think I will just cover the hole [Smile]
Cheers [Smile]

--------------------
Cheers from me in New Zealand :-)

 |  IP: Logged



All times are Central  
   Close Topic    Move Topic    Delete Topic    next oldest topic   next newest topic
 - Printer-friendly view of this topic
Hop To:

Visit www.film-tech.com for free equipment manual downloads. Copyright 2003-2019 Film-Tech Cinema Systems LLC

Powered by Infopop Corporation
UBB.classicTM 6.3.1.2