LittleRP with BenQ TH681+ projector

Forum dedicated to discussion and technical support centered around the LittleRP affordable, open source 3D resin printer.
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Tornflow
Posts: 1
Joined: Fri Jan 23, 2015 9:56 am
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LittleRP with BenQ TH681+ projector

Postby Tornflow » Fri Jan 23, 2015 10:05 am

Hi,

My LittleRP are now finished and I am now trying to fit my projector correctly. Does anyone have any guidelines on how to fit the BenQ TH681+ projector?
Or any other general guidelines on how far away from the mirror you should min-max place the projector? For me the holes doesnt fit so I guess I have to drill som of my own.
I tried the projector without have it mounted and I noticed that it is kind of hard to get a sharp image all over. Either it is blured at the bottom or the top. I have tried fix it with keystone and focus/zoom, also tried angle the projector up and down. It seems that it is easier to get a sharp image if the projector stands atleast 75 mm away from the mirror (if I measure from the middle of the mirror), is this too far away? As I said, Non of the pre-set holes seems to fit at this distance...

Thanks for any help..

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