Zordos,
This seems to be more like the zark design where you just brute force light all over the place and some eventually hits the lcd.
This seems to be more like the zark design where you just brute force light all over the place and some eventually hits the lcd.
new design
Heya guys i personal think the frensel would go between the lcd and mirror but the light would go through it 2 times, the only mirror u could use for this aplication would be a surface mirror not a standard one because with a standard one u would get too much interference with and loose too much light in the process and also i personally think the image woulkd be blury because the light source would interact with the projected image light coming out, therfore the image blury and washed out.
Trev
Heya guys i personal think the frensel would go between the lcd and mirror but the light would go through it 2 times, the only mirror u could use for this aplication would be a surface mirror not a standard one because with a standard one u would get too much interference with and loose too much light in the process and also i personally think the image woulkd be blury because the light source would interact with the projected image light coming out, therfore the image blury and washed out.
Trev
sorry to say that, but you're not right verbose,
the fresnel is beetween the tft and the mirror. just like the ohp on light type in contrast to the ohp through light style...
the fresnel is beetween the tft and the mirror. just like the ohp on light type in contrast to the ohp through light style...
hi ace
i think the light washing out the colors of the lcd will be a problem...
i will see that, when testing it
i am thinking an projector working like an epsidiakop, there the thing works too, without washing out the colors from the pictures...
i think the light washing out the colors of the lcd will be a problem...
i will see that, when testing it
i am thinking an projector working like an epsidiakop, there the thing works too, without washing out the colors from the pictures...
ace,
i am using a mirror from a homework department,
the mirror surface is burned on polysterol -->> no interferences whatsoever
i am using a mirror from a homework department,
the mirror surface is burned on polysterol -->> no interferences whatsoever
new design
Heya slize, i think your design is very doable but do some research and thinking before u experiment so u dont waste too much materials lol im making a projector at the moment and touch woood mines going smooth mainly because i did some research and alot of thinking, give me a couple of days and ill think of an idea for yours but bear in mind the optics might cost abit like the surface mirror and another thing im thinking in for ya that ill draw up soon.
Trev
Heya slize, i think your design is very doable but do some research and thinking before u experiment so u dont waste too much materials lol im making a projector at the moment and touch woood mines going smooth mainly because i did some research and alot of thinking, give me a couple of days and ill think of an idea for yours but bear in mind the optics might cost abit like the surface mirror and another thing im thinking in for ya that ill draw up soon.
Trev
slize
ahhhhh i dont know that place or shop or that mirror lol just get a surface mirror with no glass on the front of it, the type that has the mirror before the glass and thats the first step to getting it going and make sure it can handle heat, another thing with heat use not only a uv filter glass but also a clear ir filter glass cos ir carries the radiant heat not so much the uv and if u use the ir glass filter u will not need a cold mirror as the ir filter glass does the same as the cold mirror but just a diff aplication.
Trev
ahhhhh i dont know that place or shop or that mirror lol just get a surface mirror with no glass on the front of it, the type that has the mirror before the glass and thats the first step to getting it going and make sure it can handle heat, another thing with heat use not only a uv filter glass but also a clear ir filter glass cos ir carries the radiant heat not so much the uv and if u use the ir glass filter u will not need a cold mirror as the ir filter glass does the same as the cold mirror but just a diff aplication.
Trev
slize said:
I tend to differ! 🙂 If the light is first going through the lcd then a fresnel, hitting a mirror, then going back through the lcd, the colors would become distorted and the image would be nothing but a blur. Please correct me if im wrong on that. Many people in the forum seem to be a little fresnel crazy, but it is fully possible to make a projector without one.
Glare from the light first touching the LCD will be more than enough to overpower and wash out any image is my bet. The "epsidiakop" looks like an "artograph" we've had members try those I think....as I recall they were less than suitable.
Good luck if your idea is significantly different from an artograph and you make it work.
zardoz
Good luck if your idea is significantly different from an artograph and you make it work.
zardoz
slize
Better to put a convex lens over the light to intensify it rather than a frensel, im sure the frensel will wash it out as we say
Trev
Better to put a convex lens over the light to intensify it rather than a frensel, im sure the frensel will wash it out as we say
Trev
Im telling you, that fresnel with blur out the image. You are basicaly sending a projected image through it twice. Fresnels are not made for projection!