OK i gave up the idea of using a OHP because of the quality.. and due to the lack of luck in finding a 2nd hand 15" =P, so i´m now going to use my 17" samsung 710n (600:1 , 12ms, 0.26mm. Still dont know if it has striping issues).
My next question is why do i have to use the 500 FL triplet when using a >15"? Also why cant i use 2 220mm FL fresnels? Is it pushing the optics too much? The only reason why i can imagine is color distortion or something like that because the variation of the light rays path compriment has a greater variation.
My next question is why do i have to use the 500 FL triplet when using a >15"? Also why cant i use 2 220mm FL fresnels? Is it pushing the optics too much? The only reason why i can imagine is color distortion or something like that because the variation of the light rays path compriment has a greater variation.
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