> What's a QDOS? Why, that's an easy one to answer, Keith. (<g>) Vivitar says "QDOS" stands for "Quantum Duplex Optical System". Right... (<g>)
I haven't gotten around to writing down my own explanation of it yet, but here's a few links "for the inquiring mind" - <g> - "Experiences with the Vivitar Series 1 Q-dos Lens" - http://www.pauck.de/marco/photo/stereo/q-dos/q-dos.html "Anaglyph (3D) pictures of Emperor Penguins" (homebrew QDOS) - http://www.gdargaud.net/Antarctica/Anaglyph.html "Polychromatic Anaglyphs - A Technical History" (several pages) - http://www.ray3dzone.com/plychm1.html I also took a few more shots with the QDOS lens a few days ago - I'll get them scanned and online as soon as I can. Right now, I just have one actual QDOS photo online (time to find and dust off those ol' 3-D glasses) (or you can simply use a clear piece of red glass or plastic in front of your left eye and a clear piece of blue glass or plastic in front of your right eye) - http://www.cetussoft.com/pentax/vqdos/vqdos01.jpg Here's a few shots of the lens itself - With the slide switch set for normal lens use - http://www.cetussoft.com/pentax/vqdos/vqdosnormpos.jpg A view from the rear of lens when set for normal use - http://www.cetussoft.com/pentax/vqdos/vqdosrearn.jpg With the slide switch set for QDOS use - http://www.cetussoft.com/pentax/vqdos/vqdosqdospos.jpg A view from the rear of lens when set for QDOS use - http://www.cetussoft.com/pentax/vqdos/vqdosrearq.jpg And that's probably more info than you really wanted, Keith - <g>. Fred
