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Author Topic: Sankyo Dualux 1000 Image Vignetting
Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

 - posted February 08, 2014 07:28 PM      Profile for Barry Fritz   Email Barry Fritz   Send New Private Message       Edit/Delete Post 
You may burn the film if you have a variable speed control and you run the projector very, very slowly. Otherwise, no problem.

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007

 - posted February 09, 2014 02:19 AM      Profile for Maurice Leakey   Email Maurice Leakey   Send New Private Message       Edit/Delete Post 
The Sankyo 600 only has the two speeds of 24fps and 18fps.


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Jenny Gilchrist
Posts: 6
From: Sydney, NSW Australia
Registered: Jul 2015

 - posted July 16, 2015 07:42 PM      Profile for Jenny Gilchrist   Email Jenny Gilchrist   Send New Private Message       Edit/Delete Post 
I have a question about the heat shield glass - the Sankyo 1000H I have (bought from Frank - it's a gorgeous projector) has had the heat shield glass removed. It was probably dirty or broken.
However, I have melted a few spots in my film which is really awful, this is due to my father having spliced them together and occasionally a splice jams, not often, but sometimes. I also can't use the still feature at all or I'm worried it will melt.
Can you get replacement heat glass? I've looked but can't see it.

I also have a question about the telecine setup Janice has as pictured earlier in this thread. (I have the same telecine reflectors, and the same projector.) However, though I won't go into detail here, I get a ghosting image when I project through the telecine. This ghosting is only on one side of the figure or item, not a halo all the way around. The projection goes onto the glass and out through the 'screen', it's the screen that has the ghosting (almost a double) image. Easier to see on brighter figures like a white t shirt or skin against dark background, and always a ghosting to the right of the figure. Any ideas? First I thought it was 'line up' of the mirror/screen or projector, but definitely not, no matter where I move it (and it's supposed to be perfectly aligned on the marked 'mat') the ghosting is still there.


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Janice Glesser
Film Goddess

Posts: 3468
From: Sunnyvale, CA USA
Registered: Sep 2011

 - posted July 17, 2015 12:12 AM      Profile for Janice Glesser     Send New Private Message       Edit/Delete Post 
Jenny...in regards to replacing the heat shield glass you might want to contact Frank to see if he has one in his spare parts. Otherwise you might just want to cut a piece of glass to fit.

I suggest you open a new topic to get replies to your telecine question.


"I'm having a very good day!"
Richard Dreyfuss - Let It Ride (1989).

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Ty Reynolds
Film Handler

Posts: 93
From: Calgary, Alberta, Canada
Registered: Nov 2015

 - posted November 18, 2015 11:01 PM      Profile for Ty Reynolds   Author's Homepage     Send New Private Message       Edit/Delete Post 
Jenny - I bought the same box and had the same result. According to the instruction manual, "A ghost-like image may sometimes occur. The ghost-like image may be reduced by making frequency adjustments to your camera..." Frequency adjustments?

What the manual says is nonsense. The ghosting is caused by the manufacturer installing the incorrect mirror. Instead of using a proper first-surface mirror, which reflects the image only from the front, this unit has a conventional mirror. The image passes through the glass, and is reflected by the coating on the back surface. With the mirror at a 45 degree angle, this means that not only is the image reflected by the back surface, but there is also a faint image reflected by the front surface. This is your ghost.

It surprises me that the manufacturer of an optical device does not know this basic fact. But what is really annoying is that they try to bamboozle with b.s. and blame the operator's other equipment.

If you do a google search for first-surface or front-surface mirror, you'll find more articulate explanations of how they work and why they're used.

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Narendra Singh
Film Handler

Posts: 22
From: Redmond, WA, USA
Registered: Jul 2015

 - posted November 19, 2015 04:14 AM      Profile for Narendra Singh   Email Narendra Singh   Send New Private Message       Edit/Delete Post 
There is a lot to learn in this thread. Thanks to Janice and all. Also to Ty Reynolds for his informative post on the formation of 'Ghost Image'.

[ November 19, 2015, 05:21 AM: Message edited by: Narendra Singh ]

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Brian Fretwell
Phenomenal Film Handler

Posts: 1785
From: London, UK
Registered: Jun 2014

 - posted November 19, 2015 06:43 AM      Profile for Brian Fretwell   Email Brian Fretwell   Send New Private Message       Edit/Delete Post 
Just to add there was once a halogen replacement for this 8v 50w A1/17 (CRX). It was the A1/263 a small non diathermic reflector and halogen on the same lamp base, made by Thorn lighting in the UK and patented. I expect no-one else wanted to pay them to make copies so it died out.

I have one so will try to get a picture up.

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Steve Flora
Posts: 14
From: Canberra, Australia
Registered: Jan 2016

 - posted May 14, 2016 02:50 AM      Profile for Steve Flora   Email Steve Flora   Send New Private Message       Edit/Delete Post 
Janice, et al., just found this thread .... and very helpful it is indeed! (After replacing the belt, getting the LED light workaround .... then I happened to have hair, dust, etc. problems). At least using that LED headlamp solution (mentioned on the 1000 dualux lamp replacement thread) removing the protective glass parts mentioned here does not endanger the film at all.
Regards, Steve.
Thanks yet again. Steve.

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Steve Hartwell
Posts: 28
From: St Catharines, Ontario, Canada
Registered: Jan 2014

 - posted December 30, 2016 03:23 PM      Profile for Steve Hartwell   Author's Homepage   Email Steve Hartwell   Send New Private Message       Edit/Delete Post 
Just followed the instructions to remove the heatsink - so simple - THANKS a bunch


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