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Author Topic: Scope focus not uniform Jessica Lois Phipps Film Handler Posts: 7 From: Durham, NC, USA Registered: May 2005 posted 06-03-2010 09:20 PM                     Oh AND... When I separate the lens, is there anything that I should be very careful about that isn't entirely obvious (I mean, outside of understanding the delicate nature of lens optics and surfaces)? Will I have to refocus the lens after this? I just want to make sure there aren't any "Well, of course you broke the hell out of it, you didn't do [blank]!" after this.  |  IP: Logged John Wilson Film God Posts: 5438 From: Sydney, Australia. Registered: Dec 1999 posted 06-03-2010 09:52 PM                     Yes. Don't drop it.  |  IP: Logged Jessica Lois Phipps Film Handler Posts: 7 From: Durham, NC, USA Registered: May 2005 posted 06-03-2010 10:31 PM                     Duely noted.  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 06-04-2010 03:23 AM                     the threads on the barrels between the two lens units are of a very fine thread and the casings are made of aluminum. Just do be careful when rescrewing the two together for it's very easy to cross-thread the two if one isn't very careful enough. Good luck-monte  |  IP: Logged Jessica Lois Phipps Film Handler Posts: 7 From: Durham, NC, USA Registered: May 2005 posted 06-04-2010 11:13 AM                     I've just tried to remove the anamorphic adapter from the prime lens, and it won't budge. There are 2 screws on the side of the prime lens that I don't know if I need to loosen - I fear loosening them lest they keep some improtant and delicate glass peices in place. Do I just need to wrench the dang thing apart (or have our more burly projectionist do it) or are these screws involved? I can post pictures tomorrow, if desired, but this sounds like it should be a standard thing?  |  IP: Logged Mitchell Dvoskin Phenomenal Film Handler Posts: 1869 From: West Milford, NJ, USA Registered: Jan 2001 posted 06-04-2010 11:50 AM                     No screws are involved.  |  IP: Logged Demetris Thoupis Phenomenal Film Handler Posts: 1240 From: Aradippou, Larnaca, Cyprus Registered: Apr 2001 posted 06-04-2010 12:29 PM                     Post pictures. Standard procedure is rotating the prime anticlockwise and the anamorphic clockwise to separate them. Demetris  |  IP: Logged Eric Robinson Jedi Master Film Handler Posts: 538 From: Santa Rosa, CA Registered: Jan 2005 posted 06-04-2010 05:58 PM                     quote: Mitchell Dvoskin Separate the two lenses by unscrewing them and just put the prime into the projector. If the problem persists, then the prime is probably your problem and needs to be replaced. If the problem goes away, then you have a bad anamorphic adapter Excellent idea, I like it!  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 06-04-2010 06:19 PM                     Projection Optics made the lens under the brand name HiLux in the 50's they were a respectable optic house but they do not perform well with most xenon lamp systems and the coating will have deteriorated that said if one has the correct correction front element the 264 was a very sharp anamorphic and more efficient than most of the other prismatic lens But it is still a light eater  |  IP: Logged John Wilson Film God Posts: 5438 From: Sydney, Australia. Registered: Dec 1999 posted 06-04-2010 08:33 PM                     quote: Demetris Thoupis Standard procedure is rotating the prime anticlockwise and the anamorphic clockwise to separate them. Demetris True...unless you're holding them the other way.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 06-04-2010 09:40 PM                        Projection Optics is at least a 50% light loser, compared to anything new. Louis  |  IP: Logged John Wilson Film God Posts: 5438 From: Sydney, Australia. Registered: Dec 1999 posted 06-07-2010 06:08 PM                     Any luck yet?  |  IP: Logged

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