| Optics - Showing threads 201 to 357 of 357 available |
▫ time to try to get my feet wet<<1st post>> ▫ 03-08-2005 07:17 AM - 8 replies
▫ sell me a 320mm triplet ▫ 03-08-2005 02:34 AM - 2 replies
▫ What type of lens is this? ▫ 03-04-2005 09:14 AM - 2 replies
▫ Asphererical Condensor FL question ▫ 03-03-2005 11:32 PM - 2 replies
▫ Found a lense, have some questions ▫ 03-02-2005 01:40 PM - 4 replies
▫ lens quality ▫ 02-28-2005 07:33 PM - 4 replies
▫ does this lens exist ▫ 02-28-2005 01:18 PM - 24 replies
▫ UV filter ▫ 02-24-2005 07:04 PM - 0 replies
▫ If I build a DIY Projector MkIV, to correct keystone.... ▫ 02-23-2005 12:33 AM - 3 replies
▫ Removal ..... lens how ? ▫ 02-22-2005 10:58 PM - 2 replies
▫ Fujion Copy lens 240mm, best fresnel for it? ▫ 02-22-2005 03:42 AM - 40 replies
▫ Confused about the Lamp/condenser/first fresnel distances/setup? anyone help ▫ 02-22-2005 01:08 AM - 2 replies
▫ Increasing proj. magnification ▫ 02-21-2005 09:33 PM - 4 replies
▫ Help needed with projection lens ▫ 02-19-2005 11:08 AM - 3 replies
▫ Using one 220mm for 17" LCD ▫ 02-19-2005 02:56 AM - 1 reply
▫ Lilliput lens ? ▫ 02-18-2005 11:11 PM - 1 reply
▫ aspherical lens ▫ 02-18-2005 04:23 PM - 0 replies
▫ Thermashield (Good, Bad ?) Any other IR Filters ideas... welcome. ▫ 02-16-2005 07:18 PM - 1 reply
▫ Understanding Pre-Condenser lens ▫ 02-15-2005 03:56 PM - 81 replies
▫ DIY Projection Lens Triplet ▫ 02-15-2005 02:36 PM - 29 replies
▫ How far should i.. ▫ 02-13-2005 09:28 PM - 1 reply
▫ Not sure if i have brought the right projection lens, can anyone help? ▫ 02-10-2005 11:33 PM - 4 replies
▫ Varifocal 4-Element Projection Lens ▫ 02-10-2005 09:12 PM - 0 replies
▫ crt projector lens ▫ 02-09-2005 08:21 PM - 8 replies
▫ How do you know what focal length to use for the rear fresnel? ▫ 02-09-2005 06:24 PM - 7 replies
▫ Alotta Questions, ace im looking at you buddy! ▫ 02-09-2005 11:11 AM - 9 replies
▫ How can you tell if a filter is IR or UV or both by the tint of the glass? ▫ 02-08-2005 12:51 PM - 0 replies
▫ Projection Lens Help!!! ▫ 02-06-2005 09:04 PM - 5 replies
▫ How do you work the projected image size? ▫ 02-06-2005 04:57 PM - 2 replies
▫ cold mirror after lcd. whats the point? ▫ 02-04-2005 11:52 AM - 5 replies
▫ fresnel lenes ▫ 02-01-2005 12:40 AM - 8 replies
▫ Where to buy UV/IR Blocking Glass in the UK ▫ 01-31-2005 02:34 PM - 6 replies
▫ condensator not convex. it exists? ▫ 01-29-2005 08:32 PM - 0 replies
▫ Pyrex as IR Filter in 5" LCD projector. ▫ 01-28-2005 11:32 PM - 15 replies
▫ artograph or opaque projector optics ▫ 01-26-2005 11:47 PM - 22 replies
▫ how to cut a fresnel?? ▫ 01-23-2005 11:25 AM - 1 reply
▫ Optical Theory ▫ 01-21-2005 12:31 PM - 25 replies
▫ this lens of any use??? ▫ 01-19-2005 01:43 PM - 3 replies
▫ Best place buying a 380mm fresnel lens set ? ▫ 01-17-2005 05:53 AM - 0 replies
▫ Brick and mortar that carries IR &/or UV blocking glass? ▫ 01-15-2005 04:42 PM - 10 replies
▫ Better Design Using 3 Fresnel!!! ▫ 01-15-2005 06:18 AM - 1 reply
▫ lens any good??? ▫ 01-15-2005 01:35 AM - 6 replies
▫ would this lens work? ▫ 01-10-2005 08:13 PM - 10 replies
▫ Killing The Heat! - Xl10 Lexan ▫ 01-07-2005 06:17 PM - 12 replies
▫ Condenser lens suitability question ▫ 01-05-2005 08:32 PM - 0 replies
▫ A small treat: Structure of a 3 LCD Commercial projector ▫ 01-02-2005 09:29 PM - 6 replies
▫ For Sale: 2 Delta 78 Lenses ▫ 01-02-2005 07:35 AM - 0 replies
▫ LCD projector zoom lens ▫ 01-01-2005 12:35 PM - 0 replies
▫ Throw Distance and Equipment ▫ 12-31-2004 10:46 PM - 12 replies
▫ Spider like pattern on the screen ???? ▫ 12-28-2004 04:10 PM - 12 replies
▫ Lens suitability and FOV (cheap lens!) ▫ 12-25-2004 05:23 AM - 24 replies
▫ first time = what size lens ▫ 12-21-2004 10:34 AM - 3 replies
▫ focal length, fresnel, objective (beginner stuff) ▫ 12-21-2004 10:16 AM - 0 replies
▫ Back Fresnel only with 135mm Diam Objective ▫ 12-21-2004 04:33 AM - 6 replies
▫ Anybody interested in some lenses? ▫ 12-21-2004 01:12 AM - 4 replies
▫ Help in identifing this Fujinon? Lens ▫ 12-20-2004 05:21 PM - 0 replies
▫ LCD polarizing material? ▫ 12-20-2004 02:27 AM - 2 replies
▫ Ace, replacement for Fuji lens? ▫ 12-18-2004 03:52 PM - 0 replies
▫ Will cracked condenser lens function correctly ? ▫ 12-17-2004 12:08 PM - 0 replies
▫ Usable lens? Sharp X6-3500 Standard Projector Lens ▫ 12-16-2004 10:32 PM - 2 replies
▫ U.S. Precision Len, ie Corning, ie 3m ▫ 12-15-2004 09:06 AM - 1 reply
▫ Lens from RPTV? ▫ 12-13-2004 09:09 PM - 0 replies
▫ Can anyone describe this lens please ? ▫ 12-13-2004 05:38 PM - 5 replies
▫ Where to buy lenses? ▫ 12-10-2004 01:12 PM - 4 replies
▫ Would this work (Focus long arc against DXY?) ▫ 12-09-2004 04:23 PM - 2 replies
▫ starting on this project: confused condenser lens and projection lens. ▫ 12-09-2004 08:29 AM - 1 reply
▫ Need help on an objective! ▫ 12-08-2004 08:49 AM - 0 replies
▫ How Glass is made ▫ 12-02-2004 05:03 PM - 0 replies
▫ Cleaning Lenses ▫ 12-02-2004 07:08 AM - 0 replies
▫ Tilted widescreen LCD ▫ 12-01-2004 07:44 AM - 1 reply
▫ split fresnel question ▫ 11-30-2004 08:04 AM - 1 reply
▫ Looking for lens ▫ 11-27-2004 11:45 PM - 55 replies
▫ Projector types and Condensor Function ▫ 11-27-2004 10:40 PM - 5 replies
▫ Help? I can't get a focused image past a certain distance! ▫ 11-27-2004 08:34 AM - 1 reply
▫ UV filter in Toronto? Home Depot??? ▫ 11-26-2004 04:01 AM - 24 replies
▫ Mirror in OHP ▫ 11-24-2004 08:44 PM - 2 replies
▫ Specifications fresnel lenses ▫ 11-24-2004 04:42 AM - 1 reply
▫ fitting condanser ▫ 11-23-2004 10:58 PM - 2 replies
▫ cutting fresnel ▫ 11-23-2004 10:58 PM - 3 replies
▫ Removing scratches from fresnel lenses? ▫ 11-23-2004 05:41 AM - 1 reply
▫ Blurred Edges?!!@# ▫ 11-19-2004 03:28 PM - 2 replies
▫ Help with lens ▫ 11-17-2004 02:37 PM - 4 replies
▫ Help with lenses ▫ 11-17-2004 08:03 AM - 6 replies
▫ Fujinon Copy Lens, 240MM FL ▫ 11-15-2004 12:01 AM - 1 reply
▫ have lens ▫ 11-08-2004 07:48 PM - 6 replies
▫ 4.2-1 lens ▫ 11-07-2004 09:06 AM - 0 replies
▫ Help please - slide projector optics ▫ 11-07-2004 12:30 AM - 1 reply
▫ UV filter in DIY PROJECTORS ▫ 11-05-2004 08:02 AM - 4 replies
▫ this lens any good?ER 4.00 in (101.6 mm) F/1.8 ▫ 11-04-2004 07:04 PM - 0 replies
▫ external reflective mirror? ▫ 11-03-2004 08:52 PM - 6 replies
▫ What size mirror for 2.2" TFT? (Help Starting project) ▫ 10-26-2004 12:57 PM - 2 replies
▫ fresnel focals ▫ 10-26-2004 02:00 AM - 0 replies
▫ LENS for 7" Lilliput - URGENT ▫ 10-18-2004 07:21 AM - 7 replies
▫ fresnel ? ▫ 10-18-2004 04:18 AM - 4 replies
▫ frensell ribs ▫ 10-16-2004 02:00 PM - 2 replies
▫ 3m triplet ▫ 10-14-2004 11:21 PM - 14 replies
▫ lense ident ▫ 10-07-2004 01:42 AM - 0 replies
▫ rca lenses ▫ 10-04-2004 03:05 AM - 0 replies
▫ Lens Holder idea ▫ 09-30-2004 09:18 AM - 1 reply
▫ replace doublet with fresnel in projector head? ▫ 09-30-2004 05:50 AM - 15 replies
▫ IR Filter at surplussheld.com ▫ 09-29-2004 02:52 AM - 6 replies
▫ 450mm 550mm Fresnel Wanted ▫ 09-26-2004 06:16 PM - 0 replies
▫ 135mm long-throw lense kit from diylabs ▫ 09-23-2004 04:56 AM - 123 replies
▫ Fixed Iris Lens 1/3" 8mm for $12 ??? ▫ 09-18-2004 11:14 AM - 3 replies
▫ Low-E Glass Source? ▫ 09-17-2004 07:22 PM - 5 replies
▫ Polarized Glass ▫ 09-16-2004 10:37 PM - 7 replies
▫ Which fresnel is better for a 7" LCD ? ▫ 09-16-2004 10:32 PM - 5 replies
▫ replacing a condenser lens? ▫ 09-08-2004 03:07 PM - 1 reply
▫ Cleaning mirrors ▫ 09-08-2004 01:54 PM - 4 replies
▫ Would this triplet be more worth the money? ▫ 09-02-2004 03:16 AM - 4 replies
▫ I melted my fresnel ▫ 08-31-2004 09:26 PM - 16 replies
▫ How to remove scratches on a fresnel? ▫ 08-31-2004 11:29 AM - 8 replies
▫ Lens Help ▫ 08-30-2004 03:34 AM - 2 replies
▫ Wanted: Triplet or Similer and Fresnel ▫ 08-29-2004 01:58 PM - 0 replies
▫ Weird Frenels!!!!!!!!!!!!!!!!!!! ▫ 08-28-2004 10:12 PM - 6 replies
▫ first surface mirror ▫ 08-25-2004 04:45 PM - 3 replies
▫ New copy lens solution for 7" VGA! ▫ 08-25-2004 05:41 AM - 10 replies
▫ Make your own Front Side Morror Instructions ▫ 08-24-2004 01:52 PM - 7 replies
▫ one or two Fresnels? ▫ 08-23-2004 02:58 AM - 6 replies
▫ This is how I cut the fresnell's ▫ 08-17-2004 06:11 PM - 4 replies
▫ keystone correction ▫ 08-14-2004 07:43 AM - 2 replies
▫ Lenses for LCD Projection. ▫ 08-14-2004 01:24 AM - 19 replies
▫ The BIG zooms you've been waiting for. ▫ 08-13-2004 05:12 AM - 2 replies
▫ Big Question About The Common 320mm Triplet ! ▫ 08-11-2004 06:32 AM - 26 replies
▫ Software to make live easier ▫ 08-08-2004 04:10 PM - 1 reply
▫ Delta 110 ?? ▫ 08-02-2004 06:55 PM - 0 replies
▫ what lens from this page? ▫ 08-02-2004 02:45 PM - 0 replies
▫ fresnel problem ,,,? ▫ 08-02-2004 04:22 AM - 7 replies
▫ Distance between Fresnals? ▫ 08-01-2004 12:29 PM - 1 reply
▫ reflector, reflector and reflector!!!! ▫ 07-31-2004 01:53 AM - 30 replies
▫ I need mirror Information for rear projection TV. ▫ 07-28-2004 08:16 PM - 5 replies
▫ Heat Absorbing Glass ▫ 07-27-2004 05:13 AM - 12 replies
▫ Fresnel Cutting ▫ 07-27-2004 05:09 AM - 26 replies
▫ Triplet alternative? ▫ 07-27-2004 12:55 AM - 0 replies
▫ large fresnel and 17" lcd ▫ 07-21-2004 02:52 PM - 0 replies
▫ Lens Diagram ▫ 07-20-2004 08:09 AM - 3 replies
▫ Which one is the condenser fresnel? ▫ 07-19-2004 03:22 PM - 2 replies
▫ Heat/IR Filter for small 7" Projector projects. ▫ 07-19-2004 04:36 AM - 1 reply
▫ What Is This "filter"?!?!?! ▫ 07-10-2004 07:56 PM - 12 replies
▫ what are the best type of lenses ▫ 07-07-2004 06:28 AM - 8 replies
▫ What are these lenses? ▫ 07-05-2004 11:46 PM - 14 replies
▫ Nice site plenty of lenses ▫ 07-02-2004 08:56 PM - 9 replies
▫ bigger triplet available? ▫ 07-02-2004 01:34 AM - 9 replies
▫ Cold Mirror ▫ 06-30-2004 03:12 PM - 26 replies
▫ First Surface Mirrors (suppliers in the UK or EU?) ▫ 06-23-2004 09:28 PM - 4 replies
▫ Good PDF about optics (Spanish) but with graphs ▫ 06-23-2004 05:04 PM - 0 replies
▫ Question about UV filters. ▫ 06-18-2004 02:57 AM - 71 replies
▫ Lens Help ??? ▫ 06-16-2004 02:11 AM - 0 replies
▫ Found sub. for 240mm copy-lens. Help ! ▫ 06-14-2004 08:50 AM - 37 replies
▫ DIY-Projector Plans and theory collection !! ▫ 02-26-2004 03:46 PM - 91 replies
▫ HIGH END DIY triplet projection lens ▫ 02-03-2004 05:42 PM - 21 replies
▫ FUJINON COPY LENS won't do you any good? ▫ 12-23-2003 05:55 PM - 14 replies
▫ What is the best way to use a Fujinon Projector Lens ▫ 10-09-2003 11:55 AM - 13 replies
▫ New Idea For Reflective Projector ▫ 10-03-2003 11:23 AM - 145 replies
▫ DIY anamorphic lens ▫ 07-19-2002 09:48 PM - 1809 replies
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