I have a bit of a strange requirement for a project that I am working
on.
Are there filters which are capable of converting one color of light
into another? e.g. a filter which will convert all blue light incident

I'm currently going through my old boxes of negatives and scanning them
into the computer.  I've just come across about 10 "rolls" of film taken
with an old Kodak Disc camera.  Does anybody know of any places that
might handle developing and/or scanning images from disc ...

I just bought a Bell & Howell Autoload 346A projector. The label says it is
for Super 8 films. I purchased what I thought was a super8 film (from Ebay)
however the reel doesn't fit on the arms. How do I know what size uptake
reels and films to buy? The "pegs" seem to be much larger ...

I have a nice Minolta MD lens, which I'd like to use on a Canon EOS
body (300D). Is there a vendor out there who makes such an adapter?
Thank's.
Jipi

Ok, i received these two chinar lenses.
On one, the apeture diaphram opens and closes and stops down all the way.  
On the other, the 135mm one, the diaphram does not move at all, not even
partially.

I have a Fletcher MatMate 40" Matmate Cutting System with all that came
with it including the books and template for circles,  and it's still in
the box.  I used it one time to try it out when I had the bright idea that
I was going to paint watercolors and frame them.  I never did ...

Which is better : a tamron 75-300mm 1:3.9 Macro or a Nikkor 70-300mm G
lens in terms of image quality,lens build quality,handling.

    can anybody tell me the difference between an ordinary zoom lens
and a teleconverter lens. what makes a teleconverter cost 4 times that
of an ordinary zoom lens. also please tell me what is the difference
between a macro lens and an ordinary lens