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Thread ID: 117748 2011-05-03 08:47:00 State of Play on Data Projctors tuiruru (12277) Press F1
Post ID Timestamp Content User
1199127 2011-05-03 08:47:00 Hi

A local community group wants to buy a data projector. What are the specs/issues to look out for - eg in "the old days" cine projector bulbs were both prone to break when moved whilst hot, and expensive to replace.

Any and all comments/info gratefully received including recommended makes, and model to avoid.

Thanks
tuiruru (12277)
1199128 2011-05-03 08:58:00 Well we've used quite a few of the ViewSonic data projectors and they've been great.
No problems so far in almost two years.
They come with a 3 year warranty and the replacement bulbs are some of the cheapest I've seen.
The only thing I don't like about them is the throw distance as this can be quite high if you want a decent sized projection.
CYaBro (73)
1199129 2011-05-03 09:20:00 Well we've used quite a few of the ViewSonic data projectors and they've been great.
No problems so far in almost two years.
They come with a 3 year warranty and the replacement bulbs are some of the cheapest I've seen.
The only thing I don't like about them is the throw distance as this can be quite high if you want a decent sized projection.

Thanks CY - what sort of price are we talking about for the projector and replacement bulb (sorry - I know I'm being lazy!)
tuiruru (12277)
1199130 2011-05-03 10:32:00 That depends on how bright (lumens) you want and what sort of resolution you want to project at and if you want widescreen or 4:3.
The resolution can be svga (800x600), xga (1024x768) usually. They will accept higher resolutions but will downscale to it's native res.
Svga is the cheapest obviously.
They start at about $900 from memory. Not sure on bulbs as haven't had to replace one yet.

:pf1mobmini:
CYaBro (73)
1199131 2011-05-03 11:26:00 That depends on how bright (lumens) you want and what sort of resolution you want to project at and if you want widescreen or 4:3.
The resolution can be svga (800x600), xga (1024x768) usually. They will accept higher resolutions but will downscale to it's native res.
Svga is the cheapest obviously.
They start at about $900 from memory. Not sure on bulbs as haven't had to replace one yet.

:pf1mobmini:

Right - I forgot about lumens - and the length of throw v image size ratio.

I think the organisation will have a second take on "They start at about $900" - an "expert" told them "they're relatively cheap nowadays".

Thanks Cy

Anyone got anything else?
tuiruru (12277)
1199132 2011-05-03 23:00:00 My Toshiba DL SVGA just expired a bulb, after approx 3500 hrs.....think it costs about $450 to replace....
Throw distance is important if you move the unit around as room size comes into play!...
We have a BenQ here at work which is XGA, if I were to buy another unit, i would get 720p at least and wireless!
SolMiester (139)
1199133 2011-05-03 23:04:00 My Toshiba DL SVGA just expired a bulb, after approx 3500 hrs.....think it costs about $450 to replace....
Throw distance is important if you move the unit around as room size comes into play!...
We have a BenQ here at work which is XGA, if I were to buy another unit, i would get 720p at least and wireless!

Thanks Sol. Errr - what does "720p" mean?
tuiruru (12277)
1199134 2011-05-03 23:21:00 Thanks Sol. Errr - what does "720p" mean?

It's a HD display resolution -- 720x1080 progressive scan.

en.wikipedia.org
bot (15449)
1199135 2011-05-03 23:24:00 Thanks Helensun tuiruru (12277)
1199136 2011-05-04 00:17:00 Research papers by Irish Govt Education Agency (www.ncte.ie) (general features, but has citations/links to what they believe are useful info), Aussie Govt buyers guide (infopage.gem.wa.gov.au) (standard specs, though bit concise), and sponsored study by Texas Instruments (www.mediastar.de) (comparing technologies - bit lengthy and technical with charts, images, etc) kahawai chaser (3545)
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