| What is your screen's aspect ratio? |
| 4:3 |
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26% |
[ 18 ] |
| 16:9 |
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50% |
[ 35 ] |
| 1.85:1 |
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7% |
[ 5 ] |
| 2.35:1 |
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5% |
[ 4 ] |
| 2.40:1 |
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4% |
[ 3 ] |
| Custom with masking. Please eleborate. |
|
1% |
[ 1 ] |
| Other. Please explain. |
|
4% |
[ 3 ] |
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| Total Votes : 69 |
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| Author |
Message |
ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Tue Jan 02, 2007 5:57 pm Post subject: |
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| Person99 wrote: | So, there are only three options as I see it:
1) Live with a CRT and 16:9 screen.
2) Blend 2 CRTs onto a 2.40:1 screen.
3) Go digital
Since the picture from 3 is crap and number 2 is not affordable or practical yet, I'm stuck with number 1.
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I agree with you 100% and I'm not worrying about it... just wishing there was another solution just like I wish I had a G90... neither one is going to happen... and I'm OK with that.
| Person99 wrote: | | (I actually think you are limited to about 80" wide with your 1271--but we won't debate that now). |
As for the 1271 and the limit on size, everything is a trade-off and I wouldn't say there's an exact number that you can't exceed. It's a sliding scale. As size goes up, brightness goes down. While you might have a target illumnation level to shoot for, you can stray from that slightly, too without too noticeable of a result.
In my case, I decided to trade a little brightness for a bigger screen... To be more accurate, 25% less brightness to get an 8' wide screen as opposed to a 7' screen. I have to say, even projecting on a white bed sheet wrapped around some pink foam XPS insulation and only a quick setup, it still looks better than most of the sh*t in any store I've seen. I think I'll be pretty happy with it. Even if I cut the lifespan of the tubes and I only get 2-3 years out of the projector, I'll probably be ready to upgrade long before then and I'll already have the screen size I want.
I tried 48x85.33, went down to 45x80, and then tried 96x54. The bigger screen is just way too damn cool to pass up. I'll be sitting about 10' or so from that 8' wide screen and I'll love every minute of it.
SC
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Tue Jan 02, 2007 6:03 pm Post subject: |
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| ecrabb wrote: | | As size goes up, brightness goes down. |
Sharpness goes down too. This is very much an issue with the ES machines. You can put an ECP on a 72" wide screen and say "hey that looks good." Now, put it on a 96" wide screen and it is dim and soft, and you go, "what happened to the good pic?!?"
Yep, all trade offs. From my playing around, I've found I need to hit about 8 ft lamberts for the image to have the punch I like in a completely light controlled room. YMMV. I do alot of trade offs, if picture quality was something I was willing to sacrifice as a trade off, I'd go digital! 
Dave
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OldBeard
Joined: 09 Mar 2006
Posts: 20
Location: Finland
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| Posted: Tue Jan 02, 2007 6:08 pm Post subject: |
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Other. Please explain.
Two pull down Da-Lite Model B screens:
16:9 114cmx203cm (45"x80") or
4:3 152cmx203cm (60"x80").
_________________
Electrohome Marquee 8000, backup: ECP 4100
Last edited by OldBeard on Tue Jan 02, 2007 9:41 pm; edited 1 time in total
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Tue Jan 02, 2007 6:10 pm Post subject: |
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| OldBeard wrote: | Other. Please explain.
Two pull down Da-Lite Model B screens:
16:9 114cmx203cm (45"x80") and
4:3 152cmx203cm (60"x80"). |
Ahh the best of both worlds.
_________________
Tech support for nothing
CRT.
HD done right!
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Tue Jan 02, 2007 6:11 pm Post subject: |
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| OldBeard wrote: | Other. Please explain.
Two pull down Da-Lite Model B screens:
16:9 114cmx203cm (45"x80") and
4:3 152cmx203cm (60"x80"). |
How to do you keep them in the exact same plane so they are both perfectly focused?
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OldBeard
Joined: 09 Mar 2006
Posts: 20
Location: Finland
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| Posted: Tue Jan 02, 2007 6:18 pm Post subject: |
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| Person99 wrote: | | OldBeard wrote: | Other. Please explain.
Two pull down Da-Lite Model B screens:
16:9 114cmx203cm (45"x80") and
4:3 152cmx203cm (60"x80"). |
How to do you keep them in the exact same plane so they are both perfectly focused? |
Thats really easy. Just remove that "extra drop" and 16:9 screen. Then install 4:3 screen 
_________________
Electrohome Marquee 8000, backup: ECP 4100
Last edited by OldBeard on Tue Jan 02, 2007 9:41 pm; edited 2 times in total
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ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Tue Jan 02, 2007 6:27 pm Post subject: |
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| Person99 wrote: | | Sharpness goes down too. This is very much an issue with the ES machines. You can put an ECP on a 72" wide screen and say "hey that looks good." Now, put it on a 96" wide screen and it is dim and soft, and you go, "what happened to the good pic?!?" |
Agreed. Of course it's less sharp. But, then where you do you stop? The pic would be phenomenally sharp and bright at 5' wide... but, then I could just buy an RPTV and call it a day. That's no fun, though!!!
It's not as if you completley trade size for quality - it's not either/or. I traded a little sharpness and brightness for a little bigger screen. It's not as if it was nice and sharp at 85.33" wide, but soft at 96" wide. It's 25% larger, and 25% less bright and sharp.
Fortunately, it looks pretty damn good, really. I can read the tiny type on the focus pattern in Nokia. Even my buddy who helped me mount the projector commented on how sharp it was. I realize I probably have a pretty exceptional example of a 1271. But, I should also point out that I was probably even more anal than most here on making sure physical setup is down to the gnat's ass. That helps overall focus and geometry, too.
SC
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paw
Joined: 08 Mar 2006
Posts: 1176
Location: Arvada, CO
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| Posted: Tue Jan 02, 2007 9:06 pm Post subject: |
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| papalek wrote: | I use a power screen and change the highth to match the content.
This alows me to have the image always 10 feet wide with no black bars. |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light.
_________________
Aubrey
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papalek
Joined: 08 Mar 2006
Posts: 1536
Location: Longs SC
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| Posted: Tue Jan 02, 2007 10:19 pm Post subject: |
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| paw wrote: | | papalek wrote: | I use a power screen and change the highth to match the content.
This alows me to have the image always 10 feet wide with no black bars. |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light. |
I have an AMPRO 4600 it has many Channels for different setups.  The setup is NOT vertically centered in the raster.If you guys are having a tough time doing this, then you need to swap out your PJ and buy a superior AMPRO.  Every setup starts at the top of the screen. I just lower the screen farther and change to the proper channel for that content. That means there is no black bars on the screen at all. All content is 10 feet wide, just the hight changes. In 4:3 mode the screen runs from the ceiling to right on the floor.
_________________
My current list of PJ's AmPro 1 1/2-4600,4200, 1/2-3600,2600.
I do love my AmPro's
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GEBrown
Joined: 08 Mar 2006
Posts: 729
Location: Denver
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| Posted: Tue Jan 02, 2007 10:21 pm Post subject: |
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| paw wrote: |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light. |
Hi PAW - Your long silence is broken!! 
If his AMPRO is anything like a Marquee, he could be using different recall memories, that have different V-Phase values.
Just a guess.
How have you been?
Gary
_________________
Member of the Marquee Maniacs Club
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Tue Jan 02, 2007 10:23 pm Post subject: |
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| papalek wrote: |
In 4:3 mode the screen runs from the ceiling to right on the floor. |
Yep that's probably where I'll end up when/if this 4000G feels like working right.
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Tue Jan 02, 2007 10:38 pm Post subject: |
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| papalek wrote: | | paw wrote: | | papalek wrote: | I use a power screen and change the highth to match the content.
This alows me to have the image always 10 feet wide with no black bars. |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light. |
I have an AMPRO 4600 it has many Channels for different setups. The setup is NOT vertically centered in the raster.If you guys are having a tough time doing this, then you need to swap out your PJ and buy a superior AMPRO. Every setup starts at the top of the screen. I just lower the screen farther and change to the proper channel for that content. That means there is no black bars on the screen at all. All content is 10 feet wide, just the hight changes. In 4:3 mode the screen runs from the ceiling to right on the floor. |
OK, I'm with you on this to some point.
Are you using a processor to drop out the black bars that the source puts in?
In other words, if Starz HD shows a 2.35:1 movie in OAR, then normally it will appear in the middle of your 16:9 area with letterbox bars in the image. I get the idea of creating a memory block which basically, just moves the 2.35:1 to the bottom or top of the screen, but then the letterbox bar will really just be off the screen, but still there. You need a processor to actually crop the image to get rid of the black bars. What am I missing?
Dave
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papalek
Joined: 08 Mar 2006
Posts: 1536
Location: Longs SC
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| Posted: Tue Jan 02, 2007 10:48 pm Post subject: |
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| Person99 wrote: | | papalek wrote: | | paw wrote: | | papalek wrote: | I use a power screen and change the highth to match the content.
This alows me to have the image always 10 feet wide with no black bars. |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light. |
I have an AMPRO 4600 it has many Channels for different setups. The setup is NOT vertically centered in the raster.If you guys are having a tough time doing this, then you need to swap out your PJ and buy a superior AMPRO. Every setup starts at the top of the screen. I just lower the screen farther and change to the proper channel for that content. That means there is no black bars on the screen at all. All content is 10 feet wide, just the hight changes. In 4:3 mode the screen runs from the ceiling to right on the floor. |
OK, I'm with you on this to some point.
Are you using a processor to drop out the black bars that the source puts in?
In other words, if Starz HD shows a 2.35:1 movie in OAR, then normally it will appear in the middle of your 16:9 area with letterbox bars in the image. I get the idea of creating a memory block which basically, just moves the 2.35:1 to the bottom or top of the screen, but then the letterbox bar will really just be off the screen, but still there. You need a processor to actually crop the image to get rid of the black bars. What am I missing?
Dave |
In that instance you are correct, I am loosing a little bit of the resolution and simply blanking out the black bars off screen. But that is a very little loss and is not noticable. Not worth the $2000.00 scaler cost in my book anyways.
_________________
My current list of PJ's AmPro 1 1/2-4600,4200, 1/2-3600,2600.
I do love my AmPro's
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Person99
Joined: 09 Mar 2006
Posts: 4899
Location: Flower Mound, TX
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| Posted: Tue Jan 02, 2007 10:51 pm Post subject: |
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| papalek wrote: | | Person99 wrote: | | papalek wrote: | | paw wrote: | | papalek wrote: | I use a power screen and change the highth to match the content.
This alows me to have the image always 10 feet wide with no black bars. |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light. |
I have an AMPRO 4600 it has many Channels for different setups. The setup is NOT vertically centered in the raster.If you guys are having a tough time doing this, then you need to swap out your PJ and buy a superior AMPRO. Every setup starts at the top of the screen. I just lower the screen farther and change to the proper channel for that content. That means there is no black bars on the screen at all. All content is 10 feet wide, just the hight changes. In 4:3 mode the screen runs from the ceiling to right on the floor. |
OK, I'm with you on this to some point.
Are you using a processor to drop out the black bars that the source puts in?
In other words, if Starz HD shows a 2.35:1 movie in OAR, then normally it will appear in the middle of your 16:9 area with letterbox bars in the image. I get the idea of creating a memory block which basically, just moves the 2.35:1 to the bottom or top of the screen, but then the letterbox bar will really just be off the screen, but still there. You need a processor to actually crop the image to get rid of the black bars. What am I missing?
Dave |
In that instance you are correct, I am loosing a little bit of the resolution and simply blanking out the black bars off screen. But that is a very little loss and is not noticable. Not worth the $2000.00 scaler cost in my book anyways. |
OK, gotcha, not worried about recovering the bandwidth, just getting the pic where you want it on the screen and nothing but the pic showing. Good idea.
I've thought about doing something similar for 2.35:1 content to put it at the bottom of the screen which would be nice for the front row, but then the back row would be looking down at most of the image. In my theater, the back row looks dead center at the 16:9 image.
Dave
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papalek
Joined: 08 Mar 2006
Posts: 1536
Location: Longs SC
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| Posted: Tue Jan 02, 2007 11:04 pm Post subject: |
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My second row is much higher than the front row. But the front row looks slightly up and the second row is even except for the 4:3 which they look down and the front row looks center.
_________________
My current list of PJ's AmPro 1 1/2-4600,4200, 1/2-3600,2600.
I do love my AmPro's
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paw
Joined: 08 Mar 2006
Posts: 1176
Location: Arvada, CO
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| Posted: Wed Jan 03, 2007 3:08 am Post subject: |
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| GEBrown wrote: | | paw wrote: |
How are you doing this? Isn't the image center vertically within the raster? HMM!!! For 16:9 or wider image you 1) lower the screen enough see the bottom of the image 2) Just have a lot of unlight screen above the image. For a 4:3 image, the entire screen woudl be light. |
Hi PAW - Your long silence is broken!!
If his AMPRO is anything like a Marquee, he could be using different recall memories, that have different V-Phase values.
Just a guess.
How have you been?
Gary |
Now how does that saying go "Better to have people believe you to be a fool than to open your mouth and remove all doubt" 
Actually, I've sent you a couple of PMs from AVS (1 original and 1 reply) but haven't heard back from you. 
I usually only post if I have something to contribute or have a question. There's some guy on AV123forum.com that broke 3000 post in 6 months. 
Doing well. I see you survived the "twins" also. I still go out a shovel snow. Just to keep in practice.  How you and yours had good Christmas and New Years.
_________________
Aubrey
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Jan 14, 2007 5:50 am Post subject: |
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Looks like 4:3 is more popular than I thought. I figured I was one of the few not one of the half(ish)
_________________
Tech support for nothing
CRT.
HD done right!
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Gino
Joined: 22 Apr 2006
Posts: 1363
Location: Trinity Beach, AUSTRALIA
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| Posted: Sun Jan 14, 2007 7:21 am Post subject: |
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2.40:1 CIH 13ft wide for me... and no downscaling of 16:9 material either
_________________
( B ) ( G ) ( R ) Blendzilla Down Under ( R ) ( G ) ( B ) - Tubes of Fury
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Jan 14, 2007 7:34 am Post subject: |
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| Gino wrote: | | 2.40:1 CIH 13ft wide for me... and no downscaling of 16:9 material either |
Excellent!
_________________
Tech support for nothing
CRT.
HD done right!
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