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In Reply to: is this a worthwhile venture ? posted by snkby on August 06, 2002 at 22:02:59:
The size of the lens. Then put 2 prism together in front of each lens and rotate one until it is pointed in the right position.If the image is upside down, get him to grind 6 180 deg prisms, then put in front of the projection lens and have one end of each prism face each other. This will invert the image.
Make sure he puts florite coating on lens as to minimize light loss.
Follow Ups:
lenses for the specific gun model ?or are 4"guns relegated to rp focal depth ?
as far as inverted picture goes........i was planning on building a suitable chassis for the whole thing and would just mount the projector accordingly.
to minimize the size i figured that there is a lot of stuff i could take out like the tuner and any audio related circuits.
and its not like im in a hurry or anything.
And those DIY astromers, don't they grind mirrors and lenses like nonstop? No time to observe, gotta finish this 30" mirror..
decide whether he wanted to make a telescope or a subwoofer ! lolololthe point of this post is that i do want to make it into a front projection unit.
the mirror was totally gone so i have to ask.....was it curved ?
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