well as i was looking through my old stuff i found an old Slides projector. is it any good? can i use it or its parts to make a TV projector out of it?
Some pictures of it:
sorry for the bad quality if you need a better ones tell me.
Full Version: Slides Projector?
hey guys!
well as i was looking through my old stuff i found an old Slides projector. is it any good? can i use it or its parts to make a TV projector out of it?
Some pictures of it:
sorry for the bad quality if you need a better ones tell me.
well as i was looking through my old stuff i found an old Slides projector. is it any good? can i use it or its parts to make a TV projector out of it?
Some pictures of it:
sorry for the bad quality if you need a better ones tell me.
damn thats nice, i love how its setup 100% the same as our DIY projectors, exept the precondenser, and they have the reflector insainly far back for some reason, but yeah i f you can find a lcd that size and pop out that black frame or use it to hold the lcd, you could get a small projector going, proabably 800x600 is the max you could get with such a small lcd, not paying up the wazoo, and it might be tricky putting another bulb in
might be able to fit a eballasst in the side peice where it dips down then you could just cover that up or put something in there
-oh yeah looks like you might be able to use the prebuilt in ballast, not sure what its specs are
-and finally probably would need to mount some fans on that top vent, you would have to have the air come in the side and up and out is what i would suggest
-so a lot of work, and basically your saving on teh box, and $100 bucks in lesnes, also depending on lcd you go with you might have to pay a 100 more than a standard size one, which wouldent really save you much
you would get better lighting as smaller lcd, better picture as your using glass lenses -again at the expense of lcd resolution
might be able to fit a eballasst in the side peice where it dips down then you could just cover that up or put something in there
-oh yeah looks like you might be able to use the prebuilt in ballast, not sure what its specs are
-and finally probably would need to mount some fans on that top vent, you would have to have the air come in the side and up and out is what i would suggest
-so a lot of work, and basically your saving on teh box, and $100 bucks in lesnes, also depending on lcd you go with you might have to pay a 100 more than a standard size one, which wouldent really save you much
you would get better lighting as smaller lcd, better picture as your using glass lenses -again at the expense of lcd resolution
never mind i just saw that huge fan didnt make it out at first in the picture, thats a sweet place to have a fan, i assume its pulling down and out, I would turn it on, see what image size it gets and if its what you need, Its a sure lot smaller than my projecotr hehe,
so replace sled with small lcd, and possibly replace bulb clean lenses and you coudl be good to go, not sure about image size but the precondenser should give you a nice bright picture
-again its early and im tired theres no precondenser its just 2 lenses, the black things the sled right? whats the white thing?
I wonder if theres any UV protection on that?
FEEL THE BURN!
oh again sry
it goes
bulb>precondenser>uv filter(black)>lens>lcd(white)> another lens?> and to a double or triplet lens for fucusing however thats different lenses not the triplet lens combo from LL
so replace sled with small lcd, and possibly replace bulb clean lenses and you coudl be good to go, not sure about image size but the precondenser should give you a nice bright picture
-again its early and im tired theres no precondenser its just 2 lenses, the black things the sled right? whats the white thing?
I wonder if theres any UV protection on that?
FEEL THE BURN!
oh again sry
it goes
bulb>precondenser>uv filter(black)>lens>lcd(white)> another lens?> and to a double or triplet lens for fucusing however thats different lenses not the triplet lens combo from LL
i do have an old ARCHOS GMINI 400 that has a 2.2 inches LCD. you think it might fit in?
-i am able to remove that frame in the middle you were talking about... :
ah and btw, i found an old light projector, is it any good for the project?
i assume it has a stonger lamp than the one the projector uses at the moment...
-i am able to remove that frame in the middle you were talking about... :
ah and btw, i found an old light projector, is it any good for the project?
i assume it has a stonger lamp than the one the projector uses at the moment...
wow what the hell is that thing hehe
- i would say no to that cool video thing as it proably has a direct pluginto the game board so you wouldent be able to hook up a tv box or computer, not sure about that spot light thing? thats a projector? wheres the rest of it?
-can you plug any of this stuff in to get a bulb comparison or someting, that larger lamp might be floresent like a spot light, which would not be bright enought I would think
-if you can get the specs on that ballast you should be able to buy a cheap newer bulb, than that outdated one
- i would say no to that cool video thing as it proably has a direct pluginto the game board so you wouldent be able to hook up a tv box or computer, not sure about that spot light thing? thats a projector? wheres the rest of it?
-can you plug any of this stuff in to get a bulb comparison or someting, that larger lamp might be floresent like a spot light, which would not be bright enought I would think
-if you can get the specs on that ballast you should be able to buy a cheap newer bulb, than that outdated one
it's a light projector...
and that white frame you were talking about is where the slide get's in...i got it removed so it not a problem.
-anyway, i'll start looking for a small LCD... what size do you think should it be? a size of a slide perhaps?
-it's a 24V150W halogen back from 73' still worked for like 5 mins though, then one of the pins broke up
-there you go, 2 nice and clear pictures...
and that white frame you were talking about is where the slide get's in...i got it removed so it not a problem.
-anyway, i'll start looking for a small LCD... what size do you think should it be? a size of a slide perhaps?
-it's a 24V150W halogen back from 73' still worked for like 5 mins though, then one of the pins broke up
-there you go, 2 nice and clear pictures...
hmm thats hard how big is that hole? 2 inches? thats going to be real hard, maybe you could get away with a lcd thats reaches from outside border to border of the blue slide holder
hmmm you might want to start a new thread titles"where to get small lcds and controllers" with the dimensions listed
hmmm you might want to start a new thread titles"where to get small lcds and controllers" with the dimensions listed
can't i place an lcd without that slider thingy? i mean..i think i can, but will it fit with the lenses and everything?
alright, loose the blue sled slider, get a lcd that size or slightly larger, you will probably have to adjust it, but the problem is if you want to use those lenses in that configuration youll have to match the size of that blue thing, so that should be the size of your lcd, you could test it by using squares of lexan or something, glass with sharpe marks on it representing the edjges of the lcd, and lable them with number to see how big of a lcd you can use before it cuts off the corners, then look for the correct size, nock off that bracket compleatly and put the lcd there, it might be hard to mount it, maybe use silicone and plop that down and adjust it
how bigs the projected immage on this projected have you turned it on yet?
how bigs the projected immage on this projected have you turned it on yet?
yes i have...it worked for like 5 mins...it was about 60-70 inches i think... with the blue sled slider installed...
and my room is about 6 meters long so it's pretty much exactly what i need.
anyway, i get that lamp soon and try it out again...
and my room is about 6 meters long so it's pretty much exactly what i need.
anyway, i get that lamp soon and try it out again...
not bad for such a small spot, might not take a larger screen, i would try a transparency with a grid on it, or glass with sharpie marks
-bassically you want to project a immage first to find out how big of a lcd you can use
-or project some king of lines or measure(glass with sharpe markings, something that will give you a visual)
thats your safest bet
-bassically you want to project a immage first to find out how big of a lcd you can use
-or project some king of lines or measure(glass with sharpe markings, something that will give you a visual)
thats your safest bet
Before reading this, I would like to stress that I am not an expert by any means, but I have been reading these forums insessantly for months now. If you're the kind of person who is will to "just make it work" or if you can live with some setbacks, then go for it, but for everyone else it would probably be more trouble than it's worth.
I'm thinking that unless you're in love with the size of the projector you're probably better off trying to use the parts from it to build a standard projector. I'd say that virtually none of its parts are going to be optimum, with the excaption of possibly the fan, the reflector mount, and maybe the field lens (the one farther from the bulb).
The fan looks cool, if it can stand the heat of that bulb while being that close it's probably a winner! It's also probably 110v, which makes hookup easier. It also looks fairly big. If it's not too loud, take it out and plan to use it in your PJ.
The reflector appears to have some kind of corosion on it, which from all I've heard will pretty much make it useless. But the mount very well may accomidate the pro reflector.
The field lens could be useful as a pre-condenser, it's pretty close to that bulb, so it's possible it's heat resistant. I don't know jack about pre condensers though, and the experts are still experimenting with them.
What I see happening (and keep in mind, that this is coming from someone who has NOT built a projector, and am mostly just repeating what I've read elsewhere here) is that even if you could find an LCD that was small enough, it would be more than a pain to try to hook any sort of TV signal into it. Then, if you could get a signal to it, it would be far too dim because the bulb is bright enough to go through a slide (which must have a transmittance of at least 40%), not an LCD which has a light transmittance of ~8% (if you're LUCKY). But even if you could get an LCD in there, get a signal to it, and have it be bright enough to see, it'll still be low resolution(800x600 would be fine, but I doubt you'll be able to find one) and the projector will become more of a novalty than something that will be useful.
Unless the archos is touchscreen, and you're willing to make an archos projector, it would probably be feasable to use it's screen. It would probably be possible to get the lenses you have to work, or get new lenses that would work instead. You'd still have to deal with the dimness, low resolution, and lack of inputs (unless the archos has inputs, that would be cool).
I'm thinking that unless you're in love with the size of the projector you're probably better off trying to use the parts from it to build a standard projector. I'd say that virtually none of its parts are going to be optimum, with the excaption of possibly the fan, the reflector mount, and maybe the field lens (the one farther from the bulb).
The fan looks cool, if it can stand the heat of that bulb while being that close it's probably a winner! It's also probably 110v, which makes hookup easier. It also looks fairly big. If it's not too loud, take it out and plan to use it in your PJ.
The reflector appears to have some kind of corosion on it, which from all I've heard will pretty much make it useless. But the mount very well may accomidate the pro reflector.
The field lens could be useful as a pre-condenser, it's pretty close to that bulb, so it's possible it's heat resistant. I don't know jack about pre condensers though, and the experts are still experimenting with them.
What I see happening (and keep in mind, that this is coming from someone who has NOT built a projector, and am mostly just repeating what I've read elsewhere here) is that even if you could find an LCD that was small enough, it would be more than a pain to try to hook any sort of TV signal into it. Then, if you could get a signal to it, it would be far too dim because the bulb is bright enough to go through a slide (which must have a transmittance of at least 40%), not an LCD which has a light transmittance of ~8% (if you're LUCKY). But even if you could get an LCD in there, get a signal to it, and have it be bright enough to see, it'll still be low resolution(800x600 would be fine, but I doubt you'll be able to find one) and the projector will become more of a novalty than something that will be useful.
Unless the archos is touchscreen, and you're willing to make an archos projector, it would probably be feasable to use it's screen. It would probably be possible to get the lenses you have to work, or get new lenses that would work instead. You'd still have to deal with the dimness, low resolution, and lack of inputs (unless the archos has inputs, that would be cool).
The first thing to worry about is heat the LCD can't go over 105 F, turns black and stops working.
Second by my math 2.2" would be an LCD of 44 x 33 mm
While a 35mm slide is 22 x 16 mm
So it seems like its about 4 time too small, sorry
many of these lenses are just barely big enough to do what they need to do so I don't think anything much larger would make it through. From the slide holder it looks like it can do both horizontal and vertical so it probably could do a square 22 x 22 mm (probably a little bit bigger) You could still project the center of the LCD.
Second by my math 2.2" would be an LCD of 44 x 33 mm
While a 35mm slide is 22 x 16 mm
So it seems like its about 4 time too small, sorry
many of these lenses are just barely big enough to do what they need to do so I don't think anything much larger would make it through. From the slide holder it looks like it can do both horizontal and vertical so it probably could do a square 22 x 22 mm (probably a little bit bigger) You could still project the center of the LCD.
here is a company that has 1.8" and 2.5" lcd modules already stripped out. No prices listed but, it is a start.
http://www.accele.com/accele2/LCD_Modules.htm
2.5"
1.8"
http://www.accele.com/accele2/LCD_Modules.htm
2.5"
1.8"
QUOTE (dimor @ Jul 29 2006, 08:28 AM) 
hey guys!
well as i was looking through my old stuff i found an old Slides projector. is it any good? can i use it or its parts to make a TV projector out of it?
well as i was looking through my old stuff i found an old Slides projector. is it any good? can i use it or its parts to make a TV projector out of it?
Making an LCD projector out of a slide projector has been done.... see this thread on DIYAudio.com STOP ! You have never seen this DIY LCD with Results !!! A guy named Dale Cooper did it, and a lot of other people gave it a try too, including me.
I have to admit that it worked great, the projection was nice and bright and clear, but the LCD I used was from a hip gear game controller that had a 2.5 inch screen. The resolution really sucked bad. I could not find another small LCD with better resolution at the time. I am still on the lookout for a 1.5 to 2.5 inch LCD with at least 230,000 dots. That's 320 X 240, like a psone 5 inch LCD screen. That resolution would be acceptable with a slide projector mod.
I actually watched "Fiddler on the Roof" with the thing, and once it was finished I felt like my eyes were crossed permanently, but I had fallen in love with the idea of LCD projection and I'm still at it.
If you want to give it a go, here are three tips for you.
1. Get an LCD with half-decent resolution.
2. Make sure you have a good fan blowing directly on the LCD or it will black out.
3. Keep the LCD circuit boards from touching any metal on the slide projector.
Good luck.
Tgreenwood
You might try picking up an oldish projector off of ebay with a small panel, like 1.5" or less, somewhere thereabouts. Just make sure its not a 3 LCD projector, make sure its just a single LCD. Browsing the older projectors on projectorcentral will help. The older projectors go for xx$ w/out a bulb in them, so your sure to find a good deal.
Hi,just noticed your thread here about slide pj,i tried this a while ago,i would give you one piece of advice ,if the bulb is 150watts or whatever dont put on a higher wattage bulb as the transformer(not ballast) will be rated the same as the bulb and will get very hot before it melts possibly starting a fire and most slide projector lenses wont even capture a whole 2.5" lcd,you might be lucky though! you could try a pocket tv or a ps2 controller with lcd in ?? good luck! dunc_
thank you all guys for the help and advices!
i'm searching for a very small LCD monitor at the moment which is currently my only problem, when i find one i'll start working on it and share you all with the result. if anyone has any other advices, you're more than welcomed to share them with us.
-i just remembered i've got an old digital camera with an LCD in it, is it possible to use it? it's an Olympus D-100.
->
-well after i took all the camera apart, and got the lcd out, i'm pretty sure it's uselss as i can't use it without the board it's connected to....which is basicly the camera's one...anyone has a suggestion?
-if anyone has a website where i can simply buy tiny lcds please write it, i don't see any other solution...
i'm searching for a very small LCD monitor at the moment which is currently my only problem, when i find one i'll start working on it and share you all with the result. if anyone has any other advices, you're more than welcomed to share them with us.
-i just remembered i've got an old digital camera with an LCD in it, is it possible to use it? it's an Olympus D-100.
->
-well after i took all the camera apart, and got the lcd out, i'm pretty sure it's uselss as i can't use it without the board it's connected to....which is basicly the camera's one...anyone has a suggestion?
-if anyone has a website where i can simply buy tiny lcds please write it, i don't see any other solution...
QUOTE (dimor @ Jul 31 2006, 10:33 AM)
-if anyone has a website where i can simply buy tiny lcds please write it, i don't see any other solution...
Why didn't I think of it before???
Get a used handheld LCD TV and strip it just like you would a monitor. They have composite video input through a minijack.
Axion makes one that has a 1.8 inch diagonal LCD.
Tgreenwood
QUOTE (tgreenwood @ Aug 1 2006, 09:02 AM)
Why didn't I think of it before???
Get a used handheld LCD TV and strip it just like you would a monitor. They have composite video input through a minijack.
Axion makes one that has a 1.8 inch diagonal LCD.
Tgreenwood
Get a used handheld LCD TV and strip it just like you would a monitor. They have composite video input through a minijack.
Axion makes one that has a 1.8 inch diagonal LCD.
Tgreenwood
israel is so goddammed shitty is these kind of cases...you can't find anything over here...i've no idea where to find that small lcd i need...
QUOTE (dimor @ Aug 9 2006, 11:34 AM)
i've no idea where to find that small lcd i need...
This is gonna sound a little crazy, but I've been thinking of finding a broken digital camcorder with a stuck tape mechanism or bad imaging CCD and using the LCD from that.
Here's why I think it might work. A lot of digital camcorders have analog to digital pass through so you can record from a VCR to the mini DV tape. The picture of what you are recording shows on the LCD. Since the camcorder has analog input it shouldn't matter if the tape is jammed or the CCD doesn't work anymore, those wouldn't be used anyway.
I have no idea how well or if it would work, but you might be able to find a broken camcorder for free.
Tgreenwood
found thos on ebay 2.5" tft with 336960 pixels PAL 510(H)x492(V)
ebay 2.5" tft
And to correct a prievious post the pson screen has a native resolution of 768x576 (PAL) if you do the vga mod and hook up to your pc! i have one showing my system stats sat in the front of my tower!
ebay 2.5" tft
And to correct a prievious post the pson screen has a native resolution of 768x576 (PAL) if you do the vga mod and hook up to your pc! i have one showing my system stats sat in the front of my tower!
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