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Topic: Eiki SSL2 - Film Society
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Jan Bister
Darth 8mm
Posts: 2629
From: Ohio, USA
Registered: Jan 2005
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posted August 02, 2005 07:24 PM
I could be wrong but was pretty sure the Eiki SSL (with ELC bulb and the standard f1.2 lens) can put out 850 lumens.
Also, you could try replacing the 3-blade shutter with a 2-blade shutter which increases brightness by 50% but also adds a very slight amount of flicker which some people may notice, especially when the projected image contains large bright areas (sky, white walls, etc.). Using an Osram Xenophot lamp will give you another 20% increase in brightness - even with all these options, I still think that the standard configuration will suffice for such a large projection image, provided the venue is completely darkened and there is no ambient light. That's just my opinion, of course, and Steven may well be right in that a xenon machine is the better option here. ![[Smile]](smile.gif) Experimentation will show... Good luck!
--------------------
Call me Phoenix. *dusts off the ashes*
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Lachlan Bain
Junior
Posts: 3
From: NSW Australia
Registered: Jul 2005
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posted August 03, 2005 07:20 AM
OK, so we dont actually have a screen as yet, thats the approx size of the wall we currently have available, when projecting from hall floor, we can vary our throw to suit (primitive, I know). When we get the grant to create the projection booth ![[Wink]](wink.gif) (touch wood) I reckon we will be approx 12-17m throw. My guess is that we may have to get a Xenon down the track, but for now we will make do.
Hall dimensions are rather big (10 x 25m), and with our test screening the other night with a DVD and sound setup, noticed very average sound with plenty of reverb (hardwood floors, brick walls and vaulted ceiling) that is the biggest problem for the moment. Need to test some rugs on wall and hanging from rafters. Then construct a screen, but, getting a bit off topic now so will no doubt post seperate threads on these topics in the next week or so. Thanks again for the help.
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Rob Koeling
Master Film Handler
Posts: 399
From: Brighton, UK
Registered: Jun 2003
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posted August 03, 2005 05:09 PM
Hi Lachlan,
Nice project you have there! I was involved with a film society for many years. We used to use two Eiki's (SL-0's) in a very similar setting. screen was about 3x4 meter. Throw was about 10 meter. The hall was completely dark (no rooms at all), which made it possible to use the Halogen bulbs. We never had complaints about brightness, but it was important to keep all light out of the cinema. Halogen is a bit yellowish and nothing beats a lot of light and especially the whiter Xenon for B&W prints. But having said that, I think it is perfectly feasible to start of with the Eiki SL's and try to get Xenon some time later.
We also had a very hard floor (concrete) and bare walls. Did have a bad impact on the sound. To be honest with you, this was the biggest problems for our shows. Dialogue was often difficult to follow. We mostly showed subtitled prints (this was in the Netherlands), which made it less of a problem, but still far from ideal. The dvd test is not a fair test in this respect. Dvd sound is a lot better than you can expect from a 16mm print. Be prepared to invest a lot of time and a little money in that problem. Rugs on walls is a good start, but also a good amplifier (the Eiki's do have a line out, via the extension speaker socket; If you use a stereo plug, you can either get a speaker signal or a line-out signal) and speakers.
This film society has moved to 35mm in the mean time (also a nice project; but maybe for next year or so...). They show very little 16mm anymore.
Keep us informed!
- Rob
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Rob Koeling
Master Film Handler
Posts: 399
From: Brighton, UK
Registered: Jun 2003
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posted August 04, 2005 08:03 AM
There is absolutely no doubt about Halogen being more yellow than Xenon. And I think Steven is absolutely right, that as soon as you have seen your prints projected with a Xenon powered projector, you will never want to get back to Halogen (not for a screen this size, that is). But that doesn't mean that you have to wait with starting your project until you have a Xenon machine. Most people will be perfectly happy with the image on the screen and many of them will be happily surprised by the improved quality when you do convert to Xenon.
Just get started with a couple of SSL's and keep on improving. That's also what we did in our film society. They are set to celebrate their 25th anniversary soon. They started with a single Hokushin machine, a white painted wall and asked people to bring their own chairs, now they are operating a Philips 35mm projector with 500 Watt Xenon, a professional screen, surround sound and very neat cinema chairs.
When you get the chance to build a projection booth, make it nice and big, so you don't have to rebuild it when you want to introduce 35mm. For us, changing to 35mm was a lot easier than expected and it brought the costs of running the film society down (and getting 2nd hand 35mm equipment, installing it, getting used to it and running it was a lot of fun!)
- Rob
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