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Lumenlab > LLAVS: Lumenlab AVS > Projector Builder > DIY Video Projector Design
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paladin
QUOTE (shotfire321 @ Sep 13 2006, 07:11 PM) *
I don't have a 6500k lamp, I have the one previous to that, the number is worn off but it did come from LL, but I do have a 6500k on order. Sorry if I said that wrong previously.

This is just for me, I've been on the planet for some 54 years and what I've found is that I learn more when someone points me in a direction and I take it from there. Thats just the way I work, I know everybody is not the same. I'm not going to spend time killing brain cells trying to get the info. I'm just going to do it, again I know thats me.

I will share what I find for what thats worth.

Go for it. More tests, measurements and opinions are always welcome!
And you have a slightly different lamp.
elken2004
These are taken with triple sixty watt lounge light, plus daylight coming in from two sides..

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elken2004
here with tv running on same frame

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Jones Rush
shotfire321,

So you have a 220mm condenser fresnel ?.

We are trying for a long time now to understand if the 150W lamp that elken is using will work with the 220mm condenser fresnel. According to elken's test, it can't. He said something about the cone becoming too visible, and the whites becoming yellow.
foamcows
I have a question that nobody seemed to pay attention to. You said you have a pincushion problem with the pro kit? Are your corners in perfect focus with the pro kit? I have the same pincushion problem and cannot figure out why. Just seeing if you have found a remedy?
shotfire321
QUOTE (Jones Rush @ Sep 13 2006, 08:13 PM) *
shotfire321,

So you have a 220mm condenser fresnel ?.

We are trying for a long time now to understand if the 150W lamp that elken is using will work with the 220mm condenser fresnel. According to elken's test, it can't. He said something about the cone becoming too visible, and the whites becoming yellow.


I'm currently using a 220mm/.5 and no reflector and no PreCon. It has darkened corners on all four sides. I have no idea if the reflector and/or PreCon would fix that. I have the reflector on order and a LittleFatBoy from a 35mm pj in hand. My gut feeling is it won't work right. I would agree with elken. I'll know for sure when I get my Pro Kit, then I can move the 330mm to the rear.

Color, don't know. I have nothing currently to compare to. But will soon. smile.gif
kv29
Guys, this thread has almost 1000 post.
what about a little summary in the 1st post? it would probably be of help to new people. wink.gif
elken2004
Foam,,, the lens is new to me, so I all still getting to know it, so to speak, with that said,,, I have observed two things, but these may still be alignment probs

I dont have pincusion across the top of image, but do at bottom and left side, the right side is mild (maybe my trippy is off z axis line) optical axis "as in lens shift"

what is interesting is that the bottom right corner, with a cross hatch pattern is the the red and blue focusing off the green, reminds me of the horror of tube convergence aligments in TV's yukkkk will check this further actually its the entire right hard side to about a quarter way to the centre of screen,,, this will be a skew error with the PRO trippy for sure, (its not the lens itself)

another interesting thing showing is using a cirlce test pattern, I have ghosty effect on the outer side of big circle,, which show the fress rings and the dark voids very clear,, will pic this shortly
elken2004
now these two are first one on left side centre of screen second one right side near bottom screen

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left side
now if you look carefully left of vertical lines you will see a ghost shadow, and the fresnel' rings, the dark bands are the voids produced by the 'pointy' bit of the facets,, where no light is sent thru..

now this ghosting is not visible unless you are up close to screen

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right side

ok more testing done by varying focus well inside and well outside of true focus, shows that where the ghost was strong on left side on inside of focus, it swaps to right side screen on outside focus and weakens on left side.

when both sides are at min,, lines are sort of focused on left and right sides of screen but centre has lost focus

what this all tells me is that the positions of fresnels are critical to get opt focus, less artifacts, and that the optical aligns with the pro are much more critical than with std,, I think the pincusion is being created by a skewed trippy, (tilted and or skewed) even as carefull as I was to things being square.. I will do a set of measures to check all of this,, then do a lens shift up and down to see how much the pincusion is affected,, I know it will, but until then smile.gif
elken2004
all the above problems are solved,, photos to follow soon..

and FOAMCOWS, when you come online PM me...
DAZZZLA
QUOTE (elken2004 @ Sep 14 2006, 07:38 PM) *
all the above problems are solved,, photos to follow soon..

and FOAMCOWS, when you come online PM me...

Elken, I think you should put this new info into another thread. Give me an hour or so to confirm it though. smile.gif

DJ
elken2004
wilco smile.gif
marto
all the above problems are solved,, photos to follow soon..


Great work Elken.......Can't wait to see results.
ed_co
Sorry, I'm lost in translation... what is pincushion?
Can any1 explain me with easy words what is this?
Thank you.
kv29
QUOTE (ed_co @ Sep 14 2006, 10:02 AM) *
Sorry, I'm lost in translation... what is pincushion?
Can any1 explain me with easy words what is this?
Thank you.


http://en.wikipedia.org/wiki/Pincushion_distortion
elken2004
ok new topic,, called PRO Lens..

also if instructions is coherent heheheheh can you pin it somewhere,, just not on me smile.gif

Oh my Lord

Paladin,,, is a new wham spam, spam destroyer,,,, ooooooooo
samuraijack
QUOTE (paladin @ Sep 14 2006, 11:57 AM) *
Clive,

Create a new topic, let me know what it is, I'll move the posts from this thread into it.

Other mods need not do anything here.


okay, I was going to split this, but Paladin has picked up the baton. Go for it my friend... biggrin.gif

Edit by Durachko: Click here for the new topic about Pro lens modification.
SIMUL8R
QUOTE (elken2004 @ Sep 14 2006, 07:49 AM) *
it all began with me almost doing full sets of LUXie LUmie measurements, spent two hours doing it then, went arhhhhhhh waste of time,, then got back to PRO lens familiarization, and started looking very close at its performance, and then picked up anomalies,, the rest is now history,,, just ask dazzzzzzer,, we have spent more time on phone today tonight than ever heheheheheheh,,, and nup he is not my type,,, he wears blue shirts,,, hehehe I like pink,,,, ummmm heheh on a girl tho smile.gif

so moral of my version of a story of some kind,,,, follow ya instincts,,,, smile.gif.... luxies can wait for another year.... me off on other goalies,,,, rainbows at the beginning rather than the end,,,,,, oh dear I need something sad.gif yes big "D" it is censored heheheheh

Imagine my surprise when I began reading this. I dam near choked on my coffee...cough, cough.. but then after reading that sentence I fell into a slump while tapping the desk before me sad.gif 2 hours? Let me guess...um..nevermind.

Pink? So, if I wore pink for you will you...um.....*sigh*.... dry.gif tongue.gif


(,,,, rainbows at the beginning rather than the end,,,,,, oh dear I need something ) Pot of gold?
elken2004
hehehehe what can I say,,, really "lilac"
elken2004
geezz better do some G12 stuff very very shortly too,,
miedosoracing
QUOTE
it all began with me almost doing full sets of LUXie LUmie measurements, spent two hours doing it then, went arhhhhhhh waste of time


errr, does this mean we will have lux readings soon then?
JoeS.
Elken2004,



Will this bulb work with my projector?? I'm new and like to get started soon.



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Thanks!



Frodo

laugh.gif laugh.gif laugh.gif JK its kme, joe s laugh.gif laugh.gif laugh.gif
elken2004
heheheh I like it,,, sooooo blue,,mmmmm

ummm lets see what adventure can I go on today,,,

no customer calls yea !! ummmm no earnings sad.gif

oh well might as well mount the powerball, now that I am happy with PRO lens setup
elken2004
Here are the parts to use with the Powerball rig,,

ohh in pic is another rubber "o" ring used for PRO triplet new spacer too....

now wait for the results from this new rig post-418-1138467352.gif ,, its gonna even better than before,, hehehhe this I know for sure wink.gif post-418-1138467352.gif wub.gif

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notice that beautiful little reflector,, absolute mirror smooth, and correct for colour too !!
DAZZZLA
QUOTE (elken2004 @ Sep 15 2006, 01:01 PM) *
Here are the parts to use with the Powerball rig,,

ohh in pic is another rubber "o" ring used for PRO triplet new spacer too....

now wait for the results from this new rig post-418-1138467352.gif ,, its gonna even better than before,, hehehhe this I know for sure wink.gif post-418-1138467352.gif wub.gif



notice that beautiful little reflector,, absolute mirror smooth, and correct for colour too !!

Elken don't be surprised when that heat absorbing glass decides to selfdestruct for no apparent reason.

DJ
elken2004
hey my new zoomyier light engine is almost ready for commisioning tonight yeaaaaa,,

its a ball tearer,,,, easier to adjust and simpler too,, learn from last cdm version,, all on a single arm too,, mmmmm
elken2004
hey daz better look in other pro plogism hehehehehheheheheh,, cats got my tongue !!!!!!
SIMUL8R
Gee, I wonder where you shop at....anyways....ready when you are. biggrin.gif
elken2004
ooooooooo, nice orbs,,, rub em and see what magic woman appears hehehehhe
arizonavideo
To get those condensers working you will have to use two 600mm fresnels for the tall one but it might just work with just one lens.

What would be the FL of the two condensers combined ( is it OK to ask, I didn't ask for lux readings or anthything) or the fl of each one?
SIMUL8R
QUOTE (elken2004 @ Sep 14 2006, 10:49 PM) *
ooooooooo, nice orbs,,, rub em and see what magic woman appears hehehehhe

gee, I've rubbed all of them but still have to build a butt load of light engines for the proper voodoo....you think you have issues? huh.gif huh.gif
elken2004
ohhhhhhh playthings,,,, mmmmmmm can I play ya sandbox pleeeesee heheheh
SIMUL8R
QUOTE (elken2004 @ Sep 15 2006, 12:42 AM) *
ohhhhhhh playthings,,,, mmmmmmm can I play ya sandbox pleeeesee heheheh

sure, but only if you let me play with your um...well you know...luxies tongue.gif
elken2004
Ok,, 95% done,, all is missing is slider arm for inside PJ,, morrow job

but she is ready to roll out to the launch pad, and join the PRO lens

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elken2004
more

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SIMUL8R
What a dam cliffhanger!! What was that word you used on someone....um...piked! GET YOUR BUTT UP AND FINISH THIS...SLACKER!!! laugh.gif
elken2004
hehehehhee,,,

dont pick on da big "D",, he is busy fighting bears and snakes,, and ontop of that he's gonna fix da liberty bell as well..


We have lift off at 1908 hrs EST ( aussie time)

she is burning at full power, and doing nicely,, could be my imagination, smile.gif but I swear the colours are richer again,,

the start in bottom left corner is a nice green,, mmmmm,, where's kermit
marto
Hmmmm........Its 1930EST.......What happened?


Too much suspense.

I need a coldie.
elken2004
she's still burning,, gonna get to mars shortly,,, reached max warp,, mmmmmm,,, I will do pics in an hour or two,, gotta do some dinner etc etc etc,,,
marto
How can you eat at a time like this?

OK.........I need another.
elken2004
Merto,, its your fault I am hungry now ,, smile.gif
elken2004
more,, now this is a brand new lamp,, has not even burned in yet..

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samuraijack
QUOTE (elken2004 @ Sep 15 2006, 06:09 AM) *
more,, now this is a brand new lamp,, has not even burned in yet..


Very nice. How much heat ( percentagism-wise) do you estimate compared to the other bulbs?
elken2004
umm let me go look at gauge,,,, do dah do dah do dah....................

LCD 24 degrees,, light engine compartment 25 degrees "C"

Geez thats what I love about these lamps,,, ya can lose power,, nah no worries,, no latent heat at all,, cool as a cucumber..

where and the hell did that saying come from I wonder,, "cucumbers" ?????
marto
Very, very, very nice.

Something good had to happen tonight (sea eagles are getting their butts kicked by the dragons right now)

So.....as it stands at the moment you have 150W powerball/330mm 0.2 fres/lcd/550mm 0.2 fres/pro triplet(modified)......is that correct.
elken2004
sounds about right,, and shes,, getting brighter by the half hour


Hey DAZ did you like the corner pics ???
marto
Can we get a full frontal (OH!!..NO)

Yeah......well you know what I mean.

Are you using that little fat precon in the recent photo? I'm about to attack my daughter's enlarger.
elken2004
THE THING....

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paladin
QUOTE (elken2004 @ Sep 15 2006, 06:22 AM) *

Now place it at nine spots the sun ain't supposed to shine and post numbers!
SIMUL8R
QUOTE (elken2004 @ Sep 15 2006, 04:22 AM) *

Well, well, well......is that a lux meter on your table or are you just happy to see us? Peculiar looking 'THING'. You know how to use it? laugh.gif rolleyes.gif
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