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#366882 - 02/16/12 12:39 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
Bayne Offline
local

Registered: 10/19/06
Posts: 266
Loc: Calgary, Alberta, Canada
I went through this debat with myself as well. I found that masking systems--both manual and automated--added extra cost and extra fiddling around when you simply wanted to sit and watch something. What about variable aspect movies like The Dark Knight and Tron: Legacy? What happens when you want to audition a concert shot in 16x9 then switch to Star Wars? The extra set-up gets old quickly. I decided to just go with a 1:78 screen because as much a I love cinemascope films, the vast majority of stuff I watch will be 16x9. Video games, TV on Blu-ray, the ocasional sporting event. I found that by going with a projector with excellent black levels (JVC RS25) the black bars almost dissappeared and the extra-big size of my favourite TV series like Doctor Who, Battlestar galactice, Spartacus and Deadwood looked amazing. Good luck trying to spot the black bars in 1:85 films on my Carada screen.
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#366884 - 02/16/12 12:58 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
Murph Offline
axiomite

Registered: 10/05/06
Posts: 6800
Loc: PEI, Canada
and you can't argue with someone who quotes Doctor Who. It's a rule.
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#366885 - 02/16/12 01:11 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: Bayne]
medic8r Offline
axiomite

Registered: 02/05/06
Posts: 6390
Loc: Fredericksburg, Virginia
Originally Posted By: Bayne
... as much a I love cinemascope films, the vast majority of stuff I watch will be 16x9. Video games, TV on Blu-ray, the ocasional sporting event.

Good point; I had forgotten about video games and sports.
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#366886 - 02/16/12 01:14 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
CatBrat Offline
axiomite

Registered: 08/05/09
Posts: 5833
Loc: Some random location
For me, I'll watch all of the 1.85:1 content upstairs on the TV and all of the 2.35:1 content downstairs on the wide screen. Win/Win.

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#366887 - 02/16/12 01:25 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
Murph Offline
axiomite

Registered: 10/05/06
Posts: 6800
Loc: PEI, Canada
Here are some great tools to help visualize the effects of screen sizes vs. aspect ratios. They are intended to demonstrate and calculate the size of automated masking systems but they are also great for both visualizing the effects of both choices and for calculating resulting screen sizes.

If you choose a native 2.35:1 screen.

If you choose a natve 16:9 screen
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#366890 - 02/16/12 01:54 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
tomtuttle Offline
axiomite

Registered: 06/20/03
Posts: 8283
Loc: Tacoma
Those are GREAT aspect ratio calculators, Murph. Thank you very much for posting the links.
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#366892 - 02/16/12 02:37 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
michael_d Offline
connoisseur

Registered: 07/23/04
Posts: 3903
Loc: Up yonder
Here's a really good read on CIH.....

http://www.highdefdigest.com/news/show/2798
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#366894 - 02/16/12 02:57 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
grunt Offline
connoisseur

Registered: 12/04/06
Posts: 3569
Loc: Nirvana
Nick, something you might want to try if you haven’t already is to get a couple different colours of painters tape and using the calculators Murph linked to tape off the screen sizes for the aspect ratios on the wall to get a better idea of what the visual impact of them will be for various seating positions. When I did this it made the decision on both screen size and aspect ratio much easier.

Also something I noticed when moving from a 56” rear projection HDTV on a 12’ x 8’ wall to a 134” screen on a 13.5’ x 10’ wall is that the grey bars in any position aren’t as distracting on the larger screen because even with complete blackout it still lights up the room like a lighthouse so light reflected off the ceiling and walls is much more noticeable than on the dark parts of the screen. Plus with a screen that fills a huge part of your field of vision the image is both big and bright enough to wash out most of the grey bars. I haven’t even bothered with a masking system because of this which is significant since I actually made masking for my HDTV because the grey bars over and under the image were so distracting in the otherwise pitch black room in my apartment. Note that this can actually create a valid argument for going with a smaller screen than the max your screen wall can fit if total blackout and total immersion were your goal.
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#366901 - 02/16/12 04:13 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
nickbuol Online   content
connoisseur

Registered: 09/16/04
Posts: 4443
Loc: Marion, IA
LOL. I go out to Carada's site every time I need to find out a popular screen size/ratio combination. I will mess with those links at home.

Murph, good call on the tape. I've taped off a screen area in the past (not this theater build) but the 2 different colors makes a lot of sense.

Also, I should say that in my previous 2 versions, I had no masking outside of the masking that I tried for about a week. The LCD panels never block all of the light, so the top and bottom bars on my 16:9 (1.78:1) screen were very visible. Now with an LCOS projector know for its dark blacks, maybe it isn't as big of a deal as I am thinking that it will be. Screen placement may end up being the biggest factor. With the 1.78:1 screen, I need to make sure that I can get it off the ground enough to be visible from the 2nd row of seats, while not too high that it is painful to watch from the front row (the whole eye-level/screen placement calculator deal)...

I do like the looks of the 2.35:1 or even 2.40:1 screen in a LIT room (you walk in and it is just super cool looking), but then again, the theater will really shine when the room is dark.

I've seen that article on HighDefDigest, and it does cover the issues, even the "IMAX Enhanced" movies like Transformers and Dark Knight that switch ratios...

I do also like the concept of getting a 1.78:1 screen, but mask it off as 2.35:1 or 2.40:1 with something cheap. Then if I decide it isn't worth messing with, I just toss out the masking. If I decide that it is worth it, then I build a better masking system.

I don't know. I went from 2.35 being a MUST HAVE, to now wondering if I should go back to 1.78:1 like I had before...

I think that I need to pick up some green and blue painter's tape and mark them up...
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#367070 - 02/17/12 12:10 PM Re: 1.78 or 2.35 screen size? Your opinion [Re: nickbuol]
Murph Offline
axiomite

Registered: 10/05/06
Posts: 6800
Loc: PEI, Canada
Actually, Grunt suggested the tape here.

You must have been reading my other thread on "growing old gracefully and how to keep skid marks to a minimum."
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