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Hi guys, I have some altman 3.5Q with two different lenses and I'm trying to figure out which lens tube is which degree. Anyone play with these...
As a designer, you have a variety of lens tubes to choose from when using an ellipsoidal. So how do you decide which is best for a particular...
I recently acquired a large number of Electro Controls ellipsoidals. I've looked everywhere I can think to look, I've found similar lights but...
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