Help me out with this RGB laser purchase

[elvis]

Hi all
Need your help in following regard.
I has come across a Chinese laser manufacturer who's offering me 1watt RGB laser(30k scanner) with i show software and controller at US3500$ .
The diodes are: 200mw Blue, 500mw Green and 300mw Red
The favor i would need from all veterans here is what else do i need to inquire about the technical specifications of this projector ,so that i may not fall in some trap of being ignorant about something.
My purpose of this laser is to do graphics only animated outdoor laser shows
on large scrim screens.
I am looking for some professional gear to carry these shows in future but just to experiment with this idea i wish to start with minimal investment so was thinking of going for this set up initially.

[carmangary]

I wouldn't spend $3500 on TTL.

[Dr Laser]

Analog will be around 7k-10k$ Plus what what is the wavelength of red diod?
If it's 660 then it's totally useless.
I don't know but CNI for example can do a driver swap for not a lot extra money.

[p1t8ull]

[quote=Dr Laser;38096]If it's 660 then it's totally useless[quote]

Not sure I would totally agree with that one

[mliptack]

Ok, so balanced white output that projector would be closer to about ~600mW probably less, but if it is TTL, you wouldn't have control over it.

Do you have a link to the manufacturer of this laser projector?

Also you say you want to do outdoor events. If you could offer some more information regarding what you are using the projector for (you specify 'large scrims' how large are we talking?) it would help us.

Also do you have a time frame that you need to start right now? If not... I have a hunch that you should wait....

[Dr Laser]

[quote=p1t8ull;38117][quote=Dr Laser;38096]If it's 660 then it's totally useless

Not sure I would totally agree with that one

If it's 300mw of 660nm in this projector then it 's a GB + little bit of R

elvis find out what wavelengths they use for red! Do they have IR filters.

[DZ]

If it's 300mw of 660nm in this projector then it 's a GB + little bit of R

This is true. What we found at SELEM and FLEM meets, is that 635nm appears about 5 times brighter than 660nm. So, you can consider 200mW of 635 appears as bright as about a watt of 660nm...

[elvis]

I would like to have a screen as big as 1 watt projector can project onto.But atleast 5m*5m, iam expecting.
I would be needing the projector primarily for showing animated cartoons or characters in a short motion pictures of say 20 minutes or so.
The link to the product is:
http://www.chinesedepartmentstore.co...oducts_id/2275

I think i can wait a bit ,am in no hurry to start up.

Ok, so balanced white output that projector would be closer to about ~600mW probably less, but if it is TTL, you wouldn't have control over it.

Do you have a link to the manufacturer of this laser projector?

Also you say you want to do outdoor events. If you could offer some more information regarding what you are using the projector for (you specify 'large scrims' how large are we talking?) it would help us.

Also do you have a time frame that you need to start right now? If not... I have a hunch that you should wait....

[mliptack]

I am willing to bet that it is 635nm red, in that case the beam is going to be huge compared to the green and blue lasers, something that would become a considerable issue when projected the distance needed (about 7.5 meters @ 8 degrees scan angle).

And 660nm @ 200mW would be a bit on the lower end especially if the projector is TTL. In the case of TTL the green and blue would vastly over-power such a small laser.

AND At the price it definitely is not 671nm!

One last thing you really need to consider is the ambient light level.

-Max

[Dr Laser]

They screwed up on the web page its
500mw red
300mw green
200mw blue
and the price is $5400

I can't imaging the price of labour in China. Possibly 10$ to build this projector.