RS20 buyers - what screen are you planning to use with it? - AVS Forum
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post #1 of 131 Old 10-25-2008, 01:58 AM - Thread Starter
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I am in the first group of the RS20 pre order and I just wanted to get some idea on what screen other RS20 owners are planning to using with this projector. I would like to know the size, gain, aspect ratio and brand/model.

As for me, I am leaning towards a motorized Stewart ST130 100 to 110", gain 1.3, 16:9.


Thanks,
Rich
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post #2 of 131 Old 10-25-2008, 06:40 AM
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130" diag (120" x 50") 1.0 gain (Classic Cinema White) 2:40 Carada - first row at 14', 2nd row at 19' w/ RS20 at max throw (21')
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post #3 of 131 Old 10-25-2008, 07:08 AM
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126" diag 16x9 Dalite HiPower. Sitting ~ 12 ft from it (~ 1.3 SW). Gain is ~ 2.5 since the pj is located optimally for the HP.
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post #4 of 131 Old 10-25-2008, 07:08 AM
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120 inch diag 1.3 gain dalite. First row is 14 ft.
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post #5 of 131 Old 10-25-2008, 07:37 AM
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120 wide x 50 high 2.4:1 SMX screen. For now I'll be using zoom method for now.

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post #6 of 131 Old 10-25-2008, 07:46 AM
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110" diag 16x9 Dalite HiPower. Sitting 12 ft away from it.
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post #7 of 131 Old 10-25-2008, 07:56 AM
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55 x 132 motorized Dalite Cinima Vision Fabric 1.3 gain. UH 480 lens.
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post #8 of 131 Old 10-25-2008, 08:05 AM
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80" 2.05:1 Carada (1.0 gain) in a constant area setup.
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post #9 of 131 Old 10-25-2008, 11:26 AM
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110" Studiotek 130 (1.3 gain) 16x9.
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post #10 of 131 Old 10-25-2008, 11:49 AM
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A 114" dia, 16 x 9 BW (1.4 gain) Carada Masquerade Masking Screen
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post #11 of 131 Old 10-25-2008, 12:06 PM
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I intend on doing a sort of Constant Area thing, although "variable image size" (using the zoom) is probably more accurate. I'm employing 4 way automated masking, using the Carada Masquerade system for vertical masking duties, and adding a side masking system of my own.

Screen size is as big as I can fit: 124" wide/60" tall.

So all aspect ratios will be masked.

As for screen material I'm deciding between the Carada Brilliant White material or the much higher gain Da Lite High Power material. Just recently a fine AVSforum member sent me a 92" wide by 50" tall 2:35:1 section of his previous Da Lite High Power screen and I have it up on my wall checking it out (using my current Panasonic AE900 projector). Verrrry interesting. It's simultaneously amazing and maddening. I don't
know for sure which route I'll go yet.
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post #12 of 131 Old 10-25-2008, 12:15 PM
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139x78 hp
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post #13 of 131 Old 10-25-2008, 01:04 PM
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135 inch diag. 16x9 Grayhawk with RS20 at min throw. If this turns out not to be bright enough I will replace the screen with a Stewart 1.3.

Earl
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post #14 of 131 Old 10-25-2008, 01:56 PM
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65x116 HP now, will probably go to 65 x 130

Noah
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post #15 of 131 Old 10-25-2008, 02:04 PM
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Quote:
Originally Posted by R Harkness View Post

I intend on doing a sort of Constant Area thing, although "variable image size" (using the zoom) is probably more accurate. I'm employing 4 way automated masking, using the Carada Masquerade system for vertical masking duties, and adding a side masking system of my own.

Screen size is as big as I can fit: 124" wide/60" tall.

So all aspect ratios will be masked.

I'll be interested to follow your reports on how you like this, for I'm thinking about the same idea, i.e., to get a screen with the Ht desired for 16x9 pics, and the Wt desired for 2.35. For me this would be ~ 62" H, the ht of my present 16x9 screen, and for the width I think I would like something ~ 132 to 136. I need to throw some 2.35 BR's on my wall, with the pj moved back a bit and zoomed, to see how wide I want to go. I would definitely go with Dalite HP again if I do this, and fortunately, Dalite will do a frame any size you want.
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post #16 of 131 Old 10-25-2008, 02:25 PM
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millerwill,

Seems to be an increase in the number of folks interested in some variation of Constant Area, as opposed to CIH or CIW. I was watching some of Planet Earth "Imax-style" last night, really big on my wall. It was significantly larger than if I stuck with a constant image height set up and once experienced it's hard to give up the ability to give the appropriate source material that kind of impact. Hence my desire to have as big overall screen dimensions as I can fit in the room and mask down from there. I'll never feel like "I should have got a bigger/smaller screen" because bigger and smaller will always be available at my whim. Further, I find that varying the image size really keeps things fresh in terms of impact, especially when zooming back extra huge for epic 2:35:1 films.
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post #17 of 131 Old 10-25-2008, 02:25 PM
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I'm also getting an RS20...eventually (you guys have bought them all up). I'm following "all threads JVC" closely, and tried to download the DIY foot lamberts calculator on another thread, but couldnt open it.

I'm surprised (and hopeful) at the size some of you are going with 1.0 to 1.3 gain screens, especially since some of those members seem particularly anal about PQ (who at AVS with more than 100 posts isn't?).

If any of you know how many ft lamberts you will get, post it would you please?

There is an amazing range in the expected screen brightness in the posts above from the 130" 1.0 gain to the 100" (or smaller) Daylite HP (2.8?)

I'm just trying to get a ballpark.

BTW - Jason at AVS thinks I could go 10-11 ft wide with a 1.3 gain with good light control (which I have).

Thanks,

Jeff

Finally went digital: RS20, ISCO IIIs, DIY 10.5' wide torus screen, Stewart StudioTek 1.3 G3 with 4 way masking and adjustable image size
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post #18 of 131 Old 10-25-2008, 02:34 PM
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How does one know which pre-order group they are in??
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post #19 of 131 Old 10-25-2008, 02:46 PM
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Quote:
Originally Posted by Jeff Smith View Post

I'm also getting an RS20...eventually (you guys have bought them all up). I'm following "all threads JVC" closely, and tried to download the DIY foot lamberts calculator on another thread, but couldnt open it.

I'm surprised (and hopeful) at the size some of you are going with 1.0 to 1.3 gain screens, especially since some of those members seem particularly anal about PQ (who at AVS with more than 100 posts isn't?).

If any of you know how many ft lamberts you will get, post it would you please?

We won't really know the ftL, of course, until we know how many lumens the RS20 puts out. Cine4home reported a max of 750 lumens (min thrown, high lamp, max aperture) a week or so ago, but just yesterday he said that a new pre-production model is 'much brighter'. JVC spec it to be 900 lumens (presumably min throw, high lamp, max aperture), and their previous specs on the RS1/2 have held up; so maybe it will produce ~900 lumens under these conditions. If so, this would produce ~ 50 ftL on my 126" HP screen--Holy Moly! So I would obviously turn the aperture down and also perhaps use low lamp (though this is not supposed to increase lamp life, and the RS20 is so quiet it is really not necessary). This will give plenty of head-room for when the lamp ages.
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post #20 of 131 Old 10-25-2008, 03:03 PM
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I'm wondering about the increased brightness too. Ultimately I'd like to be able to use the Carada Brilliant White material vs the Da Lite High Power, because of the Carada's better viewing angles. It would be nice if the newer measurements for the JVC HD 750/RS20 tip the scales so I'd get good brightness in a large Carada screen.
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post #21 of 131 Old 10-25-2008, 03:20 PM
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Quote:
Originally Posted by R Harkness View Post

I'm wondering about the increased brightness too. Ultimately I'd like to be able to use the Carada Brilliant White material vs the Da Lite High Power, because of the Carada's better viewing angles. It would be nice if the newer measurements for the JVC HD 750/RS20 tip the scales so I'd get good brightness in a large Carada screen.

I've not seen one 'in the flesh', but from all reports the Carada BW is a fine screen. The reason I chose the HP over it is because the retro-reflective character of the HP reduces the amount of light from the screen that hits the ceiling and side walls. (For this to be practical, though, your seating configuration needs to be relatively narrow, e.g., no one outside the L and R sides of the screen.) By turning down the adjustable aperture of the RS20 (to reduce the lumens by a factor of ~2) you can achieve the same ftL off the HP as you would off the BW, but with less light going to the walls and ceiling. And you have more ftL 'in reserve' in case you need to turn up the aperture.
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post #22 of 131 Old 10-25-2008, 03:41 PM
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Exactly...the issue being the narrow viewing angles of the HP for my room. I'm not sure yet if it's an appropriate fit. I am designing so wall/ceiling/floor reflections will be greatly minimized (absorptive materials) so even if I went with the Carada that shouldn't be a big issue. Although I like that the HP makes retaining ANSI even simpler in that regard. However, as I understand it, the gain/directionality of the HP also would increase the importance of having the wall behind the viewer dark, since the HP reflects light most intensely from that direction. That's somewhat tougher for me to pull off vs killing reflections from the sides of the screen.

Still, it's pretty amazing the effect of the HPs gain. I've been viewing the HP screen for several days.
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post #23 of 131 Old 10-25-2008, 04:30 PM
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You're certainly right, Rich, about the importance of minimizing reflected light (or ambient light) from the back wall. That is the most important wall to darken for the HP, followed by the ceiling, and then the side walls.
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post #24 of 131 Old 10-25-2008, 05:00 PM
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I need to sell my 135" scope HP, since JVC doesn't have a long throw option. I'm going back to 16:9 and looking at a ST 130 w/ masking.

 

 

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post #25 of 131 Old 10-25-2008, 06:25 PM
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Quote:
Originally Posted by pmeyer View Post

120 wide x 50 high 2.4:1 SMX screen. For now I'll be using zoom method for now.

Could you PM me the cost for that SmX screen? I have been unable to get a cost estimate from either SmX or Jason. Thanks.
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post #26 of 131 Old 10-25-2008, 06:47 PM
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120 wide x 50 high 2.4:1 SMX screen. Also will be getting isco111 lens. Ruben from Smx has been very helpful. Great customer service...
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post #27 of 131 Old 10-25-2008, 08:03 PM
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Quote:
Originally Posted by lopezislander View Post

Could you PM me the cost for that SmX screen? I have been unable to get a cost estimate from either SmX or Jason. Thanks.

SMX doesn't sell screen material anymore (last I checked). I have no idea the cost of their pre-built screens.

For me, it was ~$600 13' by 96", $100 for materials. If you are look at DIY, there are other vendors out there that sell material comparable to SMX (check out the DIY screen forum).

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post #28 of 131 Old 10-25-2008, 08:50 PM
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Quote:
Originally Posted by lopezislander View Post

Could you PM me the cost for that SmX screen? I have been unable to get a cost estimate from either SmX or Jason. Thanks.

I agree the response from SMX is variable. I am waiting on pricing info as well.
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post #29 of 131 Old 10-26-2008, 08:37 AM
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Were can you pre order this projector?
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post #30 of 131 Old 10-26-2008, 08:42 AM
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Where can you pre-order this projector?
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