Don't look at ANSI-lumens!
Most projectors produce already enough light today. Remember that you want to use it for movie watching. It's even possible to have too much light, where
bright spots can be even blinding.
Prefer home-theater projectors.
Most office-use projectors are optimized for light-output, picture sharpness and low cooling noise. For movie watching, good color reproduction is way
more important than light-output. Added picture sharpners may introduce annoying artifacts.
Prefer 16:9 native projectors.
Most movies are published in 1.85 or even 2.35 aspect ratio. This is not without a reason: the field-of-view of your own eyes is quite wide. Therefore,
these widescreen presentations appear more natural to the watcher. Therefore, do not use cut-downs to 1.85 or even 1.33. Use a 1.85 (or even better: 2.35)
screen and buy a 16:9 projector. This ensures you don't waste resolution on 1.85 movies. Also, 1.33 material is now automatically correctly projected
(in the middle of the screen).
Prefer a projector with optical lens-shift.
In many setups it is nearly impossible to position the projector in such a way that no vertical shift is needed to correctly fill the screen without
tilting the projector. Tilting the projector introduces the picture distortion known as the keystone effect. Lens-shift comes to the rescue here.
Optical lens-shift lets you shift the picture up and down optically without any (noticable) distortion introduced or loss of resolution. Note that only
vertical lens-shift is needed.
NEVER use keystone correction.
This will completely ruin the picture. Even the most advanced processing algorithms leave artifacts in the final image. Always use correct projector alignment instead.
NEVER use composit or S-VHS video connections from digital or high-quality-analog sources
Use only component(Y,Rb,Bb), RGB, VGA or a digital connection. This also holds for LaserDisc. PAL/NTSC encoding/decoding produces artefacts on color-edges.
This is completely not the case with un-encoded signals.
Last updated 31-01-2018
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©2001-2017 by Daniël Abrahams