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Thread: LCD PROJECTORS?

  1. #1
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    LCD PROJECTORS?

    Hi,

    Has anyone used LCD projectors?

    If, so, how is the experience in that? I see ads on ebay for them, but everyone talks about DLP.
    What would the difference be?

    Thanks,

    Taufeeq

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    Re: LCD PROJECTORS?

    Doesn't make a huge amount of difference, to be frank. LCD projectors tend to be somewhat less bright and have less contrast than DLP projectors, but newer LCD projectors have a 'dynamic iris' which adjusts the projection according to the content and the ambient light, and so it's much less of an issue than it used to be. Also, LCD projectors can't do 'real' black - it's just very very dark gray. That's just an artefact of LCD technology - your TFT monitor can't do real black either. As the picture gets larger, you start to notice pixellation and a grid effect slightly more on LCD projectors.

    DLP projectors, on the other hand, have the distinct disadvantage (to my mind) of using a colour wheel. The DLP micro-mirrors only reflect the input light from the lamp, which is always straight white, so a wheel with colour filters in it spins at high speed in front of the projection surface; the movement of the mirrors synchronises with the colour being displayed. This induces what is called a rainbow effect, where - particularly on fast-moving edges - you can see false colouration. Some people find this very distracting and noticeable, others less so.

    Personally, I have a full-HD LCD projector and I'm very happy with it. YMMV, as always...

    NH

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    Re: LCD PROJECTORS?

    Hi Neil,

    Thanks for getting back so promptly.
    I have not been able to find one with 1024-768 resolution, only 640 x 480. The other thing that concerned me was that the price seems cheaper than DLP short throws. Perhaps it is because not many have bought them.

    Anyway, here is what I am looking at, please give your input as to what you think.

    Thanks,

    Taufeeq

    Projection System RGB LCD Projection System
    Projection Schemes Front/Suspension
    LCD Panel 5" TFT LCD Panel
    Resolution Support 1080i/720i/576P/576i/480i,640*480(support 1024*76
    Brightness(PeakValue) 2000Lumens
    Contrast ratio 600 : 1
    Lamp 150W
    Colors 1.67 million
    Aspect Ratio 4:3 or 16:9
    Optical Lens Manual focus
    Projection Distance 1.76 5.51 meters
    Image Size 50 150 inches (in Diagonal)

    Interface Video, Y/PB/PR, S-video, VGA, TV, HDMI
    Video System PAL /NTSC
    Audio Output 2 built-in speakers, RCA 2
    TV Signal Input 75Ω Radio Frequency Signal Input (RF Input)
    TV Signal System PAL /NTSC/SECAM
    Mechanical: Dimension(excluding lens and feet)
    320mm(Length) 249mm(Width) 95mm(Height)
    Weight 4.3 kg
    projector color black (normally is Black, if you like Silver, please inform me)
    Operating Temperature 5 35 ℃
    Power Supply AC 100V-140V or 200V - 240V at 50 /60HZ ( All kinds of power cords for all over the world.)
    Power Consumption
    220W


    You will receive all the items as listed in the following:

    . LCD projector with Build-in TV Tuner (you can hook up with your antenna or cableto receive the analog TV signals)

    . Remote control(to control the projector, not the laptop)

    . VGA cable for PC or laptop computers(hook up your PC/laptop computer to show the presentations)

    . AV Power cable(the power cable can be separated with the projector, for easy installation)

    . Composite video cable (yellow) and Audio cables (white, red) (can be used to hook up DVD and Game Consoles

    . HDMI cable (can be used to hook up HDMI signal)


    . 1 Year Limited Warranty (parts and labor only, shipping cost is not included)

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    Re: LCD PROJECTORS?

    This kind right? http://cgi.ebay.com/NEW-HD-1080i-Pro...item45f4dbb1e7

    That's the cheap chinese homemade junk....Run far and fast from those. That's someone puting a lightbulb behind an LCD screen and a lens on the front, not a real "projector"

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    Re: LCD PROJECTORS?

    Lol, yup, that is what I was looking at.
    What should I look for?
    I am trying to find a short throw DLP or LCD, and my budget is only $600 CDN.

    Thanks,

    Taufeeq

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    Re: LCD PROJECTORS?

    I grabbed 3 Brand New Optoma GT720 WXGA (1280 x 800) Short throws off ebay. Priciest one was $585 shipped. Now I see them off links for 574 (Best Buy price is $749). There's deals out there, but watch out for the garbage. Stick to the namebrands (Optoma, Sanyo, Panasonic, Infocus, etc....)

    http://www.electrocloseout.com/Produ...tCode=OPTGT720 of course they don't ship to Canada....

    he does, a little higher though http://cgi.ebay.ca/Optoma-GT720-WXGA...efaultDomain_0

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    Re: LCD PROJECTORS?

    i cant find any in canada for that price, but i found one for $700ish on the dell website. projectors arent my area of 'expertise' though! Good luck

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    Re: LCD PROJECTORS?

    I think the budget is the problem. Doubtful you'll get anything worthwhile at that price. Short throw, forget it - that adds $$$.

    Higher res projectors cost a fair bit more, but anything less than 1024x768 will suck - imagine using FSX on a monitor at 800x600.

    I'd say hold on to your cash until you can afford to push your budget up. Better to do it later and right than early and unsatisfactory. The price of 720p and 1080p projectors is coming down, definitely.

    Buying one second hand may be an option. If it's well-maintained and spare lamps are still available, you might find a bargain.

    Sorry I can't be more helpful...

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    Re: LCD PROJECTORS?

    Hi Guys,

    Thanks for your inputs Neil and John.
    The Optoma looks great, and as a matter of fact my brother is in the States. I can get him to order it for me.
    That will be a bit over my initial budget, but you guys are right, it is better that I invest wisely instead of buying something cheap and wasting the money.
    Devonpilot, the Optomas are around $800 in Canada, and I did look at the Dell ones. There is one 300S I think, that is worth looking at as well.

    JOHN - how is your experience with the 3 Optomas (they are stated as 3D gaming projector, which is a first). Perhaps you can share some pics with us.

    Thanks again,

    Taufeeq

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    Re: LCD PROJECTORS?

    Well so far I have only experimented with table top setups of them. Still need to build my screen (more than just hanging dropcloths around )

    I wouldn't get too excited about the 3D aspect. While it may work if you are not using hardware displays, I would think the glasses would cause issues when focusing in the cockpit on your MIP which is not in 3D nor in synch with the external world displays.

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