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Pixel matching is explained in the FAQ.........
Lens shift means the ability to move the image relativeto the position of the projector... if you do a search on "Z2", you'll find a link to the manual for that pj.... it's explained there. Side Shift is the same function - except it only works laterally - ié the projector can be off-axis in the horizontal plane relative to the screen... in the case of the Z2 it works in the horizontal and vertical plane.
These functions are different from keystone correction - this is normally applied digitally to maintain a rectangular image proportionality - the loens shift functions are mechanical, and usually only introduce distortions at the extreme limits of the function.
Sean G.
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