My list of parts for DIY projector with 17" LCD
Now I summarized my list of parts below, hoping you could kindly provide further advice on whether this list has major shortfalls. (or should I post a new topic for this?)
Thanks a lot in advance!
LCD: 17", samsung LCD panel, response time: 25ms, contrast: 1500:1
Lens triplet: inner lens diameter: 70mm; Overall Focal Length: 340mm
Fresnel lens: I have three, and are wondering which two of them are suitable for me:
(1) 300*380mm, fl: 550mm, groove pitch: 0.2mm
(2) 395*395mm, fl: 330mm, groove pitch: 0.5mm
(3) 395*395mm, fl: 220mm, groove pitch: 0.5mm
Reflector -- diameter: 87mm; fl: 65mm (another option: diameter: 68mm; fl: 44mm -- I don't know which one is better)
Condenser lens -- diameter: 90mm; fl: 220mm
Metal-halide lamp, double-ended -- 250W, 10000K; CRI: 95%
Ballast -- 250W, with trigger and FC2
IR glass -- 55mm¡Á55mm; thickness: 2mm; light transmission ratio > 95%
Now I summarized my list of parts below, hoping you could kindly provide further advice on whether this list has major shortfalls. (or should I post a new topic for this?)
Thanks a lot in advance!
LCD: 17", samsung LCD panel, response time: 25ms, contrast: 1500:1
Lens triplet: inner lens diameter: 70mm; Overall Focal Length: 340mm
Fresnel lens: I have three, and are wondering which two of them are suitable for me:
(1) 300*380mm, fl: 550mm, groove pitch: 0.2mm
(2) 395*395mm, fl: 330mm, groove pitch: 0.5mm
(3) 395*395mm, fl: 220mm, groove pitch: 0.5mm
Reflector -- diameter: 87mm; fl: 65mm (another option: diameter: 68mm; fl: 44mm -- I don't know which one is better)
Condenser lens -- diameter: 90mm; fl: 220mm
Metal-halide lamp, double-ended -- 250W, 10000K; CRI: 95%
Ballast -- 250W, with trigger and FC2
IR glass -- 55mm¡Á55mm; thickness: 2mm; light transmission ratio > 95%