Digital projectors: LCD or DLP?
Posted 12 January 2006 - 10:47 AM
I have JPEGS from my Canon S50 and will also scan a few maps etc. to show. After a little research on the 'net, it looks like the first choice to make is DLP or LCD projectors, then on to Lumens, Resolution, and Contrast. Any suggestions for me around <$1000usd?
Posted 14 January 2006 - 09:14 AM
This site will be a big help www.projectorpeople.com. Their price new is the best around. Used you can try ebay. Todd is a good guy to ask for. They do lots of side by side comparisions and he gives you straight advice.
Posted 14 January 2006 - 10:45 AM
We use a Proxima X350 (1100 lumens) and an InFocus 120 (1000 lumens). Both present well as long as you dim the lights (not all the way off), use a real screen, and don't go larger than 8' wide.
We recently taught at a location that had an InFocus X2. Except for the decreased resolution, the color and brightness was great; we used it in a fairly bright room (all lights were on) with a real screen.
I'd look at the X3. It has the resolution and brightness, but is kind of heavy, although still easily portable. If you don't want to lug it around, the smaller ones from InFocus would be good. Our Proxima has been back for repair twice, and the InFocus has been back never.
All the best, James
Posted 15 January 2006 - 06:51 AM
When we bought our projectors, we tried everything and DLP was the definite winner in terms of colour rendition and image quality. LCD is meant more for Powerpoint bar chart presentations and tends to oversaturate the colours.
DLP delivers the most pleasing images.
We use NEC LT260 projectors which are equivalent to today's LT245 in terms of power. NEC has a sealed optic block (no dust can enter between the lenses). Also, the lens has threads, it allows the installation of a UV type filter to protect the lens just like on your camera lens. They are XGA and their contrast ratio is very high, something highly desirable.
Colour is infinitely adjustable so you can select the best rendition and match it to the profile of your computer screen.
I checked at this URL and the LT245 was 1,895USD (http://www.projector..._id=2630&trig=1)
I recently looked at the microportable DELL 3400MP projector which, for its size an price really impressed me when compared to larger units. It is a DLP XGA projector with a 1500 lumens rating (in practice closer to 1200).
Hope this helps,
Posted 15 January 2006 - 09:53 AM
I don't do presentations that often, so I wanted to find something that was relatively inexpensive, and had good reviews.
If you must be mobile with your projector, get something small. Berkley White travels around with an Olympus VP-1, which is small, bright, and looks fine. I have no doubt that it wouldn't look as good if you did an A/B test, but the fact is that no one will be doing an A/B test when you're giving a presentation, and often, size makes it so you can have a projector there to begin with.
If you're buying exclusively for local use, then get something bigger.
Posted 17 January 2006 - 09:37 AM
The Dell 2300 looks like the sweet spot for me at $1000usd. The DLP's are definitely more portable.
Posted 17 January 2006 - 11:43 AM
I personally have not seen this even with 1X color wheels, nor have I spoken with anyone who has.
Wow, what a great response! Thanks everyone. Question for DLP owners: Have you experienced the "rainbow effect"? That is when the spinning wheel can create a rainbow on high-contrast images.
My understanding is it's physiological (thus dependent on the person), however, 5x and 7X color wheels reduce the tendency for those who see the rainbow.
All the best, James
Posted 17 January 2006 - 03:15 PM
Our projector (LT260) might not produce it??? It's a single wheel projector and I don't remember the speed of the wheel.
Enjoy your choice