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Old 04-22-2014, 02:49 AM #1
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Default Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Well a few weeks ago at a friends house I saw he had a old DLP TV in the garage. I told him I wanted it for the mirrors and whatever else I might find...he said "take it". I went back over the weekend and grab the TV.
The DLP was a 61 inch RCA made in 2004.

Picture of TV


projector that will be disassembled for lenses


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5 really bad shape first surfaces mirrors


a very nice "whatever" that has a first surface mirror on a 45 incased in optical glass that can be hit from different angles. love this piece





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And a Giant First Surface Mirror I've been looking at these and price was insane


while taking this TV apart in my yard my neighbor wondered over to see what I was doing. After telling him what and why he says "I've got part of a big screen TV you can have". So I go over to his place and grabbed what was once the tubes and lenses of a CRT big screen TV.
Now I have 3 more huge optic lenses to mess with.
the outer two lenses are plastic only the middle is glass but I got all 3 CRT's so 3 lenses.





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Old 04-22-2014, 02:56 AM #2
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

People literally throw those out weekly at my complex. Ive seen like 30 of them since ive lived here. Now I will scrap them when I see them and make some money on lens heck id sell them for like $5/ea and itd be worth it for me and who ever wants them. Hahaha I just want to smash the left over TV parts, free lens I could care less about
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Old 04-22-2014, 03:05 AM #3
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Some of the big plastic Fresnel lenses are worth bucks as they can cut a 2x4 in 1/2 with only sun light, now not all big
screens have the same lenses so you will have to take a few apart to see which ones are the best burners.

Now you can cook food or temper steel for free and have an even smaller carbon foot print

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Old 04-22-2014, 03:53 AM #4
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Quote:
Originally Posted by Livinloud View Post
Ive seen like 30 of them since ive lived here. free lens I could care less about
wow 30 of them and you didn't snag some parts? And I care about free lenses love them. And tell me you didn't want the giant first surface mirrors either

forgot to post the picture of the cool color wheel on an electric motor.
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Old 04-22-2014, 04:04 AM #5
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

I couldnt use that massive mirror, especially since I'm moving 1400 miles within a month.........

If I knew those had lens in them like that then I would have taken all of them. I'm selling a old RCA 52" DLP TV right now. Half debating telling the buyer its not for sale and just scraping parts out of it. Might make more money off the lens then the TV whole lol

Got to remember, those big old TVs are college students best friends. Cheap large screens
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Old 04-22-2014, 10:54 AM #6
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Livinloud I'd be happy to send you one of the large lenses if you want one just pay shipping
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Old 04-22-2014, 11:45 AM #7
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Quote:
Originally Posted by Flaminpyro View Post
Some of the big plastic Fresnel lenses are worth bucks as they can cut a 2x4 in 1/2 with only sun light, now not all big
screens have the same lenses so you will have to take a few apart to see which ones are the best burners.
yep I just burnt through a cardboard box with it


still thinking of a use for the color wheel



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Old 04-22-2014, 12:54 PM #8
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Cool...I took apart one of those old chunker tv`s, and popped apart one of the bulb/lens assemblies inside....only to have some unknown oily liquid spill out everywhere :/

Last edited by crazyspaz; 04-22-2014 at 12:55 PM. Reason: on phone, spelling errors
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Old 04-22-2014, 01:36 PM #9
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

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Originally Posted by crazyspaz View Post
Cool...I took apart one of those old chunker tv`s, and popped apart one of the bulb/lens assemblies inside....only to have some unknown oily liquid spill out everywhere :/
LOL I had the same thing happen when I took one apart. all I got was 3 CRT tubes I assume one for each color RGB only one had a colored filter in it and IIRC it was a green one. I opened it up to take the filter and oil split everywhere. worst yet it was all for nothing the acrylic filter had begun to break down in the oil.
most of the optics were some king of plastic/acrylic I got one large and thick glass optic out of the hole thing

Edit the glass optic i got was the one in the middle in this pick
I only got one.
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Old 04-22-2014, 01:47 PM #10
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

hahaha I also spilled the fluid out of them. After the first one I decided to film the others.


Last edited by starlight; 04-22-2014 at 01:50 PM. Reason: trying to get video posted
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Old 10-28-2015, 02:24 PM #11
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Default Re: Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)

Thanks for the post. I,m looking for a big size mirror and didn,t knew that these TV,s had one in them. If the mirror isn,t used any more i,m interested.
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