I bought two Ultraoptix magnifier sheets. I was wondering if they were any good in making a projection tv. I am also using a 13" CRT tv. I really don't want to...
Hi all, After a long time and hard work i am coming up with a professional projector with Giant 10 inch doublet lenses. Remy please gimme your screen ! Abu...
no more brightness problems. I use my papersilver screen. hardly no money spent.the zoombox by hasbro is a little pixelly but you don't really notice it. eveny...
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=110089248377 Just browsing around for projectors lately(since I dropped my last one down the stairs) And I...
For sale on EBay, Item #140186132044 Starting Bid - $9.99 Buy it Now - $34.95 This auction begins Sunday 12/2/07 @ 5:00PM PST Charles Beseler Company, East...
Hi I am doing this project for a science class in school and I need a lense to make one of thease and Can't get one and could really use one please any help...
Hi I have been researching thease projectors for about 1year (roughly) now and am trying to build one but the problem I am haveing is getting the lense (which...
Hi New member here just wanting to pop on and say HI and TY for this wealth of information!!! I've been playing around with the fresnel tv projector thing...
DIYS LCD PROJECTOR! OR TV PROJECTOR !ASSEMBLE YOUR OWN LCD PROJECTOR IN INDIA HOME MADE LCD PROJECTOR COMPONENTS IN INDIA is made available now in INDIA....
I have an Advent 14" flat screen CRT TV modified for DIY Projection TV. It already has the yoke swap and adjustments made. You can see it shown in my...
Hello, Just to tell that I sell my big lens (diameter more than 16cm (6,4 inchs)) with bid on a-bay (title : enorme lentille). If someone is interested... Best...
Hi, I've been using my diy crt projector for about 6 months now. I'm using a 42cm fresnel lens,first image mirror and have a silver pvc screen painted white. I...
Bought several years, it seems to be a lens used for the first retroprojector during seventees. Diameter : 6,5 inchs. The adress if somebody is interrested : ...
Is it possible to buy a fresnel lens locally, and does the fresnel lens have to be the same size as the screen on the tv that is being used? Thanks. Scott...
Hey, A local shop has a set of condenser lenses that are mounted together convex to convex. They're pretty big, like 7inches diam, maybe more. Just wondering...
/// New Member \\\ Hello group, name here is: Mark form Clearwater Florida TV info: TV= Magnavox 56 inch (R.S.P. 3X CRT) Model number: FP5420 W101 Chassis...
Hi, I recently bought a Teac tv second hand to use for my projector and needed to access its service settings to increase the brightness and contrast. I found...
I undertand that all lenses must be diaphramed except a triplet. I ask first starting with a 115mm diameter positive meniscus how much diaphraming is aceptable...
Hi Everybody, It's been a while since my last post on this forum. I've been busy developping my tv projector. I finally came out with a full fledge product ...
Same question as here: http://www.lumenlab.com/forums/index.php? showtopic=19997 If you don't know, I'm pretty sure the focal length of the fresnel (I don't...
i am going to try to make my own projector in the next couple of weeks or so but dont know what lens is good to buy. i was searching on the surplus shed...
Rémy why not just do the English conversion and put a price on for the package, people could then just buy it if happy with the price. It sounds like you have...
Does anybody sit and watch a CRT projector. I have done a lot of experimenting and have a working projector with the picture 6 feet wide the right way round...
I have built my first projector with built in mirror which works sort of (blurd picture no matter how focused). I have used a fresnal lens 7"x6" from ebay on a...
Is there any place that I could find a lens in town at a store or optical office? I would like to do it without ordering things off the interent. Thanks for...
Having problems with message search?
