Reviews of restored numbers

[Greg]

Here it is. I took this photo around probably 1979.

[Greg]

I went looking to buy a fifth projector as a backup for a hopefully upcoming show. Unfortunately, I found that Pangolin no longer sells projectors that have ILDA interface capability. Suggestions for an alternative manufacturer for an aprox. 2 Watt RGB projector with analog color modulation and ILDA input are welcome. The units on ebay seem to be mostly TTL modulation.

[Greg]

That's helpful! Thanks, Roj. I was also looking at the Laserworld DS-2000RGB.

[Greg]

Much lower price, .9mrad divergence, 40kpps, German made so the specs are likely legit.
I also like their FX GOBO wheel, with rotating wheels & 4 position carousel. FX selection looks pretty slow and DMX controlled, which isn't a deal breaker. But, I'm wondering whether the GOBOs are changeable.
Demo video & product page shows 2 diff + one lumia wheel. Spec sheet says 3 diff gratings without mention of interchangeability..
Projector looks like a winner to me. Thanks for sharing.
😎

Actually I just heard back from Pangolin that they may be able to to provide something custom, so fortunately there seem to be options.

[Greg]

I just saw this side by side comparison video between the Clubmax 2000 & the TARM2. TARM 2.5W product page.

Thanks Roj, TARM does indeed look like a good option, which I'll keep in mind. I have on order a Laserworld DS-2000RGB MK4. Daniel at Laserworld gave me a discount and was able to lower the price slightly more by not including the mechanical shutter, which I don't need.

[Greg]

IMHO, it's all about RGB module build quality (minimal divergence, beam shape, color balance, & dichroic mount stability), plus the best galvos

For what I'm doing, I find the one higher quality projector and three somewhat larger spot on screen projectors is unnoticeable most of the time, but occasionally adds depth when single channel RGB content is played on four projectors with slight timing offsets per channel. Examples where I use this effect appear in Mercury Blues and Kandinsky.

[Greg]

Scanned through a few pages within this thread, but didn't find those 2 examples.

The official one projector Kandinsky can be seen here:
https://www.youtube.com/watch?v=cmonrUilsh0

This is a great piece of art, but it looks WAY better with the four projector sync offset scheme. I don't think Mercury Blues is viewable on line.

[Greg]

You say it is only one projector, but did it not have 4 RYGB scanning heads? Did LII ditch their Kr ion lasers, with their choreoGraphics system, for single diode projectors?
...Restored show data and played back with your Bela system, I assume?

The CSX projector had five scaninng heads. The four traditional RYGB pairs with the colormod system, and a fifth RGB scanning pair for content such as Kandinsky. The two 24 track ADAT shows I have, which are Dark Moon and Visions, have tracks with signals for all five scan heads. The Moon show, though, has a printing error which is two X tracks for the RGB channel and no Y, and so the RGB channel is unusable. Not a problem though, I have that entire show beautifully restored with many small errors repaired, and the renowned rototom solo from the pre-midi 4 track show and a sync-corrected One Of These Days included.

You are correct, I have restored the show data and it plays back on the bela system. A number such as Kandinsky was originally produced using the SAGE system, discussed previously here on PL, which had real time 3D scrolling and rotation capabilities. I have communicated with one of the principal developers of the SAGE system, who confirmed that independently computed real time 3D per channel, which I implemented on the Multabela system, was the next step for Laserium, and was called the millennium project. This capability was not completed prior to the end of the original company.

[lasermaster1977]

You've come a long way, overcome untold challenges and most importantly, persevered. I see you quickly resolved the cube vertices retrace line issue between triangles and it looks very good.
Keep it comin'!

[HankLloydRight]

That is serious cool stuff!! What a journey you've had!

These are my 1st videos , #2 , #3 ,#4 that demonstrate Jonathan's accomplishments, with a bit of my own 2 cents worth added. Laserium

Just by they way, all four of these videos look identical and are all 01m05s. If they are not the same, I can't tell the differences!