LED Prjector

David Ecklein dave at diacad.com
Wed May 11 13:14:00 EDT 2005


This Mitsubishi unit looks very interesting- however, I agree with the
comments that omitting a comparative brightness figure from the
specifications in the promo raises questions, especially when LEDs are
substituted for the usual incandescent lamp, and operation from battery is
envisioned.  Almost all projectors (LCD or DLP) are now rated at least 1000
lumens, even those now selling below $1000 (quite a few!).  Our InFocus
Litepro 580 projector is an old one by now (purchased almost ten years ago)
with 350 lumens - which is adequate for home showings with closed blinds or
night time, but many times when taken out to other locations, we wish it
were brighter.

The second concern is whether there is any video processing or Faroudja DCDI
de-interlacing circuitry  - ours has it, and is the reason why the movies
look as good as they do, rather than just like a blown-up television image.
If you are only interested in computer graphics, this is not so important,
but if your object is home theatre of some sort, insist on a projector with
this capability.

The third concern, which may be for only a small number of users, is whether
other than SVGA or NTSC signals are accepted.  We have many videos from
England and Germany in PAL, so this is a consideration.

This unit could be niched as a personal or workstation projector - the promo
mentions a short-throw 20" image, so it may be a reasonable and only
slightly more expensive alternative to a flat screen display about that
size.

Perhaps a fuller set of specifications will be forthcoming.  Mitsubushi is a
great company; this is probably a worthy product, even if it does not turn
out completely suited as a substitute for the more conventional current
designs.  And perhaps more development, more power, and a few more features
will make this LED/DLP design the near-future convention!

Dave E.


----- Original Message ----- 
From: "Bradford Knowlton" <brad at ucanbonline.net>
To: "David Ecklein" <dave at diacad.com>
Sent: Wednesday, May 11, 2005 11:16 AM
Subject: LED Projector


> yes... LED projector... 20k hour bulb life...
>
> This may be worth waiting for it to develop more into a more robust
> projector. and a replacement light unit probably won't cost more then
> $30. compared to $500. If they come out with the next generation style,
> with a little more power and size I think it may be a candidate for my
> needs. LED also means no or little fans.
>
> http://www.chait.net/index.php?p=572
>





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