10'+ screens are foolish - Page 4 - AVS Forum
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post #91 of 179 Old 01-19-2004, 03:37 AM - Thread Starter
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Quote:
Originally posted by Millsy
OK marco, here's a quick nemo shot.
http://members.aol.com/marcorsyscom/5m_nemo.jpg
Wow.
I mean... wow.
Yep, wow.
Makes my screen look tiny.
Nice job!

THANKS!
Clarence
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post #92 of 179 Old 01-19-2004, 04:04 AM
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I'm 6ft tall, and fairly big, but that shot makes me look small :)

I dont need light measurements to tell me when something looks good.
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post #93 of 179 Old 01-19-2004, 06:04 AM
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Quote:
Originally posted by marcorsyscom
Hi Cliff-

You have a FusionHDTV on your Marquee? If so, invite Brickie over and/or verify good HD OTA in the 2nd City. Did you ever get a pro focus?

Still smoke free? HNY!

-Clarence
Howdy Clarence,

No, I don't have HD hooked up to my Marquee. My DirecTV HD receiver is in my other HT hooked up to my Dell DLP.

Yes, I think I have the focus pretty tight, but my red still isn't as good as I would like it. Hopefully, I can get someone to come out and fix that up for me in the near future.

I've been under an incredible amount of stress lately between work and the family, so unfortunately, I'm experiencing a temporary setback in the smoking realm. I'm going to attemp quitting ver 2 in the near future.

Your screenshots look awesome dude. GREAT WORK!!

Cliff
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post #94 of 179 Old 01-19-2004, 11:00 AM
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Yea, it's a good thing I have a great big dick or I'd feel bad.:D

Art

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post #95 of 179 Old 01-19-2004, 02:13 PM
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:o cmon art, dont be like that.

as you can see from the photo, it's a large wall. when I ran an image half the size, there was all this vacant wall space around the image - it just seemed like a waste. I even got comments from visitors about what it would take to make the image larger, and use up more wall space.

While it IS a big image, it suits the wall size, and the viewer is no longer distracted by vacant space.

If I ever move to another house, I'll do the same. ie: run an image size that is most appropriate for the projection wall/screen.
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post #96 of 179 Old 01-19-2004, 02:51 PM
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Art:
Its your great big wallet that I find impressive. I wish I could entertain the idea of buying dual G90s. :D
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post #97 of 179 Old 01-19-2004, 05:48 PM
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Quote:
Originally posted by MYoung
It actually runs on plutonium. I was getting it mail-order from Lybia, but I hear that they're closing shop.

http://www.mikesshorts.com/pj.jpg
Don't you mean dilythium?
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post #98 of 179 Old 01-19-2004, 06:02 PM
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Quote:
Originally posted by Millsy
:o cmon art, dont be like that.

as you can see from the photo, it's a large wall. when I ran an image half the size, there was all this vacant wall space around the image - it just seemed like a waste. I even got comments from visitors about what it would take to make the image larger, and use up more wall space.

While it IS a big image, it suits the wall size, and the viewer is no longer distracted by vacant space.

If I ever move to another house, I'll do the same. ie: run an image size that is most appropriate for the projection wall/screen.
Sorry, I do have screen envy, no chance of someone calling that a big TV. My local cineplexes have smaller screens.:D The bottom line is do you get the image you like and it sounds like you do, enjoy !:)

Art

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post #99 of 179 Old 01-19-2004, 06:05 PM
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Quote:
Originally posted by Mac The Knife
Art:
Its your great big wallet that I find impressive. I wish I could entertain the idea of buying dual G90s. :D
Well one thing for sure this will make it a lot thinner. I do hope the demo this weekend works so I can get on with the upgrade. This has been about 20 months on this quest.

Art

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post #100 of 179 Old 01-19-2004, 06:19 PM
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Quote:
Originally posted by Art Sonneborn
Sorry, I do have screen envy, no chance of someone calling that a big TV. My local cineplexes have smaller screens.:D The bottom line is do you get the image you like and it sounds like you do, enjoy !:)
No worries. In alot of cases, trade offs are made, in order to achieve what is best for your own installation.

In my case, the image is definetly more appropriate when filling the wall (it seemed unusual otherwise). The wow factor is also incredible.

The trade off is having to drive my 9" tubes alot harder. Also, in order to create an image big enough to fill my wall, I've had to mount my PJr with an unusual tilt, which has compromised the focus (in the corners particularly) - but at 576P / 1080i I'm pretty happy with the end result.

Driving tubes hard is a problem you wont have with a (did I read this right) G90 stack. Now that is something to be very envious of. Hope it works out for you.
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post #101 of 179 Old 01-19-2004, 07:17 PM
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Hey, I recognize that projector! It's the "Enterprise" model, made by Utopia Planitia Industries, on Mars.

Very advanced technology, too. The R, G, and B guns generate their pure monochromatic outputs by constructive interference of polyphasic warp fields. The resolution capability is 16x10 to the 38th power horizontally and 9x10 to the 38th power vertically. Its light output is equivalent to that of a small sun, its contrast ratio is in the trillions, and it has no tubes to burn out, no digital pixels to hang up, and needs no maintenance as long as you keep it below warp 8. The lens system is based on generated gravitational fields and is infinitely adjustable with a precision you can't imagine. This also gives it a virtually unlimited capability with regard to screen size and throw distance. If you wish, it can throw a six inch diagonal picture on the moon from low earth orbit, and it's stable as long as the orbital path doesn't interfere.

Its only drawback: SIZE. It's 90 feet across each output lens. But since it is self supporting due to its antigrav generators, it requires no mounting system whatsoever. Just park it where you want it.

:)

CJ
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post #102 of 179 Old 01-19-2004, 11:43 PM
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If only they made a model that wouldn't clash with my Ikea lounge.
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post #103 of 179 Old 01-20-2004, 12:41 PM
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Millsy, AWESOME screenshot!!

Forget stacking projectors, I just need to buy Millsy's 1292! That thing's bewitched, I swear! :D
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post #104 of 179 Old 01-20-2004, 02:54 PM
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Hey Millsy,

Nice nemo shot, I am now tempted to use my whole wall!
Any idea how a PG9+ compares to your PJ as far as brightness goes?

DON'T feed the troll.
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post #105 of 179 Old 01-20-2004, 02:54 PM
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Hey Millsy,

Nice nemo shot, I am now tempted to use my whole wall!
Any idea how a PG9+ compares to your PJ as far as brightness goes?

DON'T feed the troll.
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post #106 of 179 Old 01-20-2004, 03:09 PM
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Quote:
Originally posted by dokworm
Any idea how a PG9+ compares to your PJ as far as brightness goes?
The best advise I can give, is not to listen to anyone elses opinion on how big you can go (with your equipment).

Try it , and decide for yourself whether it is workable or not.

What I did was dragged my projector (floor mount) to the back of the room, and did a temporary setup (the first snap in this thread was taken by a friend, the night I first dragged it back). I then left it there for a month, as I watched various material over that time. I wanted to be completely sure I was happy. This drove my partner crazy, as it is our main loungeroom, and we had to walk around it for that time.

I was pleasantly surprised by the result. You maybe too.

Which part of Oz are you in?
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post #107 of 179 Old 01-21-2004, 01:38 AM
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Hi Millsy,

Seeing as how I just got my digital camera back from being repaired today, here's another post in support of big screens (and Aussies). I'm running 3m wide with a Barco Graphics 808.

Here's the shot...

http://sophos.its.mq.edu.au/projector/nemo.jpg


System is Athlon 2700 HTPC with Radeon 9500 Pro running at 1280x720.

For reference the DVD is paused at 24:35 into the film and the frame number is 36885 on the Region 4 PAL version of Finding Nemo.

Camera is a Canon Powershot A70, shutter speed 0.5 sec f3.2.

Now that I look at it, it seems somewhat small compared to Millsy's!

Phil
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post #108 of 179 Old 01-21-2004, 02:07 AM
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For those not using the metric system: 3 meters is about 10 feet!

Looks very bright to me, great job! :)
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post #109 of 179 Old 01-21-2004, 03:53 AM
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lOOKS LIKE SOME BURN ON THAT 808, STILL A NICE BIG IMAGE.
Ooops went all cappy...

Would love to check out your setup in Sydders someday Millsy!
Us Aussie's are outnumbered here

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post #110 of 179 Old 01-21-2004, 04:01 AM
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Quote:
lOOKS LIKE SOME BURN ON THAT 808, STILL A NICE BIG IMAGE.
Dokworm,

There is burn on the tubes - I'm intrigued as to how you picked it.

Actually, if I showed you some shots of the tube faces, you'd probably recoil in horror. One advantage though - I can run it hard and not have to worry about it.

One day, I'll throw some VDC rebuilds in it. Just waiting for the Aussie dollar to appreciate some more.

Phil
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post #111 of 179 Old 01-21-2004, 08:07 AM
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Millsy wrote:
> at 576P / 1080i I'm pretty happy with the end result. <

At only 576p with that size screen and using 9" tubes, I'm surprised scan lines aren't more obvious. Unless you're running it so hard it's gone into blooming. Perhaps they're there, but just can't be seen on a 3" high snapshot? ;)

> While it IS a big image, it suits the wall size, and the viewer is no longer distracted by vacant space. <

Yeah, I had the same problem, until I took down the "This Space Available" signs. Less distracting now. :D

- Tim

- Tim
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post #112 of 179 Old 01-21-2004, 02:39 PM
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Quote:
Originally posted by VideoGrabber
At only 576p with that size screen and using 9" tubes, I'm surprised scan lines aren't more obvious. Unless you're running it so hard it's gone into blooming. Perhaps they're there, but just can't be seen on a 3" high snapshot? ;)[/b]
Scanlines are definetly noticeable. But I sit 6m back from the 5m screen, and at that seating position it's only really noticeable on diagonal edges or round objects.

Take a close look at the whites of nemos eyes in that shot. You'll notice the outer round edges of the whites have a block type effect. This is the scanlines at work, at what is noticeable at my seating position.

If I walk up to 2-3m from the screen, the lines jump out and slap you in the face. But I dont sit at that distance, so why measure it from that distance.

I like the sharpness of 576p. I find if I scale to 720p, the image looks slightly softer.
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post #113 of 179 Old 01-21-2004, 02:42 PM
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Quote:
Originally posted by nettek
Now that I look at it, it seems somewhat small compared to Millsy's!
Great shot Phil. Those Barcos are great for brightness, and that certainly is a *very* bright image. Looks great. Have you calibrated your grey scale and black levels against a reference disk ?
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post #114 of 179 Old 01-21-2004, 03:18 PM
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After spending the last month looking at nothing but wear and burn patterns for 8 hrs a day to try and come up with an alpha matte filter system, I think my eyes can spot a bit o burn at 200 paces :)

Now I'm off to shine a torch (flashlight) into my eyes to see if I have retinal burn in...

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post #115 of 179 Old 01-21-2004, 03:19 PM
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BTW what rez are you running the 808 at Phil?

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post #116 of 179 Old 01-21-2004, 04:29 PM
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Quote:
Originally posted by Millsy
Great shot Phil. Those Barcos are great for brightness, and that certainly is a *very* bright image. Looks great. Have you calibrated your grey scale and black levels against a reference disk ?
Millsy,

As a matter of fact, I've just redone all of that using DVE PAL version. I calibrated the video amps in the Barco using the procedure in the service manual and was then able to set the G2's correctly. I'm not sure if I have the colour balance right as yet - it's definately colder than it was before. I was able to get more shadow detail out if though. I like to test the absolute black level with the opening starfield sequence out of Toy Story 2. This time when I ran it, I noticed faint blue and green halos around the foreground stars. Initially, I thought something was wrong, but I captured one of the frames from it and looked at it in Photoshop with increased brightness, and they're definately there in the source, so now I'm happy with it.

Quote:
Originally posted by dokworm
BTW what rez are you running the 808 at Phil?
It's running at 1280x720 vertically compressed to 16:9. The scanlines are just touching each other.

Regards,
Phil
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post #117 of 179 Old 01-21-2004, 06:02 PM
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Quote:
Originally posted by nettek
As a matter of fact, I've just redone all of that using DVE PAL version.
Good stuff. I really must pickup my copy of PAL DVE from Abs.
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post #118 of 179 Old 01-21-2004, 09:47 PM
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Great shot Phil
Those barco's Put out a good image
dokworm you got me as how you could see burn

Btw did you purchase this form Peter
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post #119 of 179 Old 01-22-2004, 05:56 AM
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tweak the image in phtoshop and you can just see the burn, but its very faint. Phil, I take it the *actual* burn is pretty heavy then?
Photos of a full screen (posted in other threads) to show picture quality always kill me, if serious burn all but disappears in a photo, what on earth can they really show? (except here where they are showing relative sizes and brightness)
How much was the PAL DVE?

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post #120 of 179 Old 01-22-2004, 02:50 PM
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Quote:
Originally posted by dokworm
Phil, I take it the *actual* burn is pretty heavy then?
How much was the PAL DVE?
Dokworm,

The burn is rather bad. I have text burn on the green and a heavy wear area on the blue. Tends not to be too noticable on most stuff, generally on white fields or skies, etc.

The PAL DVE was purchased though an Aussie "Power Buy", so came it came in at a very good price.

Quote:
Originally posted by Gatherer

Great shot Phil
Those barco's Put out a good image
dokworm you got me as how you could see burn

Btw did you purchase this form Peter
[/b]
Thanks, Gatherer.
I purchased it locally (Sydney) from another forum member. I knew about the burn, but the price was right, and I didn't really want to spend a lot of money. I also had the choice of a Sony 1270 with what looked like good tubes but was 4 times the price. Eventually, I'll retube the Barco.

Regards,
Phil
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