"World Premiere 4K 3D DLP passive Stack" - Page 8 - AVS Forum
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post #211 of 229 Old 03-07-2012, 12:46 PM
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Mayer,

How are things with the Sony, now that you are using the anamorphic lens? Still planning on using it for 2D?

Can you tell me how far you would expect the lens to stick out from the front of the Barco projector. I will be using the 1.38 DC4K (1.45-2.13)
Order number R9855943 lens.

I can't get any info on how far it will stick out! I know the projector is 1129mm deep but i don't know how much more to add for the lens??

I hoping either you or Peter would know!

Thanks,
Chris
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post #212 of 229 Old 03-09-2012, 02:01 AM - Thread Starter
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yes i use the sony together with the isco anamorphic lens 1.25 for all what is 2d.

the big barcos for all what is 3d.

the new lenses are delayed to july or august 2012.

to bad i need one of the new one as well so no one can give you any details about it
today.
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post #213 of 229 Old 03-09-2012, 02:47 AM - Thread Starter
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yesterday i finish the new holder for the isco 1.25 anamorphic lens for the big
barco b32 and the new filter slider that have 2 different versions of 3d filtersystems inside.



i saw yesterday for the first time how the picture benifit from the more lumen
and more resolution when using this anamorphic lens.

as i need a smaller zoom ratio lens to do the 1.4 ratio with the anamorphic lens
i can only try the 2.35 format but i note that the corners are looks better as the
angle the 3d filters have to deal with are now smaller.

sad that this new big 4k lenses will have this huge delay.
i cant wait to see this lenses as i expect a performance increase with it.
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post #214 of 229 Old 03-11-2012, 09:19 PM
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What new 3D filter are you using, you may want to check out this ebay listing for the Omega 3D kit (Panavision) if you contact motorman45 on the forum he should be able to get you larger filters
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post #215 of 229 Old 03-15-2012, 02:59 AM - Thread Starter
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Quote:
Originally Posted by jmcguire525 View Post

What new 3D filter are you using, you may want to check out this ebay listing for the Omega 3D kit (Panavision) if you contact motorman45 on the forum he should be able to get you larger filters

bigger filters and glasses are already on the way to me.

thank you!
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post #216 of 229 Old 03-16-2012, 01:07 PM
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Quote:
Originally Posted by W.Mayer View Post

bigger filters and glasses are already on the way to me.

thank you!

Great! Let me know what you think of them compared to your Infitec filters
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post #217 of 229 Old 03-21-2012, 11:57 AM - Thread Starter
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panavision filter and glasses arrive today and i did a short test between the 3d systems from infitec dolby and panavision.

the test was only a first short test only with my eyes.
all filters and glasses have to deal with the barco xenon light out not calibrated how the pr. put it out.
there is for me no need to calibrate this filters anymore as the difference between left and right is at least with the infitec so low that it makes no sense for me to lost light for this but some people that offer this service may see this different.

i found that the panavision offers the lowest lumen
follow by the dolby and the infitec have the most lumen at the screen
and also to my eyes.

i will measure this later with calibrated instruments and might post this numbers.
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post #218 of 229 Old 03-24-2012, 03:36 PM
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Quote:
Originally Posted by W.Mayer View Post

panavision filter and glasses arrive today and i did a short test between the 3d systems from infitec dolby and panavision.

the test was only a first short test only with my eyes.
all filters and glasses have to deal with the barco xenon light out not calibrated how the pr. put it out.
there is for me no need to calibrate this filters anymore as the difference between left and right is at least with the infitec so low that it makes no sense for me to lost light for this but some people that offer this service may see this different.

i found that the panavision offers the lowest lumen
follow by the dolby and the infitec have the most lumen at the screen
and also to my eyes.

i will measure this later with calibrated instruments and might post this numbers.

Do you think Panavision needs any color correction or is it about the same as Infitec?
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post #219 of 229 Old 03-27-2012, 01:22 PM - Thread Starter
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Quote:
Originally Posted by jmcguire525 View Post

Do you think Panavision needs any color correction or is it about the same as Infitec?

i think there will be no need for a color calibration with the panavision.
in "this" the panavision is very close to the infitec.
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post #220 of 229 Old 03-31-2012, 04:01 AM - Thread Starter
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here are my mesurements about the different 3d filter systems.

i measure lux via my lux meter.
i measure both pr. how much light the put on the screen so both left and right images at the same time with the filters in front of the
2 barco b32 4k dlps optics.

i not use any color corection as i not think that with all 3 filters is a must so the lux was measured how the barco b32 puts it out.

-panavision 970 lux
-dolby 1090 lux
-infitec 1170 lux

when i measure it side by side (left and right filter seperate)each of the 3 filters i found the the lumendifference between left and right from each filter system is with the infitec the smallest.

visual rate the 3 filter systems only with my eyes
the infitec filter is the brightest one and its looks more bright than the
numbers above tells.

it a nice option to compare all 3 filter systems but for me i will use the new infitec as it was all in all in practice the best system for me.
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post #221 of 229 Old 04-03-2012, 01:49 PM
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Quote:
Originally Posted by W.Mayer View Post

here are my mesurements about the different 3d filter systems.

i measure lux via my lux meter.
i measure both pr. how much light the put on the screen so both left and right images at the same time with the filters in front of the
2 barco b32 4k dlps optics.

i not use any color corection as i not think that with all 3 filters is a must so the lux was measured how the barco b32 puts it out.

-panavision 970 lux
-dolby 1090 lux
-infitec 1170 lux

when i measure it side by side (left and right filter seperate)each of the 3 filters i found the the lumendifference between left and right from each filter system is with the infitec the smallest.

visual rate the 3 filter systems only with my eyes
the infitec filter is the brightest one and its looks more bright than the
numbers above tells.

it a nice option to compare all 3 filter systems but for me i will use the new infitec as it was all in all in practice the best system for me.

Mayer, Thanks for all your post. They really are very insightful.

I was wondering how you think the Dolby color wheel with a single projector would compare to shutter glasses. Would the dolby color wheel option be brighter or easier on the eyes than active glasses?
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post #222 of 229 Old 04-04-2012, 04:54 PM - Thread Starter
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a single pr. with the dolby 3d wheel is a option no question.

but every single 3d pr. solution suffer a little bit from motion in 3d.
only a passive 2 pr. doublestack "where both left and right images are at the exact same time at the screen" give you some advantages.

i think for home use with one pr. the shutter is the best option but also dolby have some advantages over shutter.
i not have any idea how bright dolby with one pr. is compare to shutter with one pr. but i guess its about the same.
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post #223 of 229 Old 08-01-2012, 01:42 PM - Thread Starter
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i got yesterday my first 4k dci material some trailers in 4k.

they are the new bond samsara (new bakara) and dark night.

all of them show a picture quality much better than anything else i saw before in 2d.

there are a big range between very good and poor seq.at all 3 trailers.

the most good parts have samsara.

some of the seq. looks like real with very much detail and very rich colors
over all i think the best trailer but also some seq. have unsharp corners.

the new bond was record with the arri alexa camera at only 2.8 k but it looks also very very good almost not any difference
to the other true 4k trailers.

bad as always the trailers cut cut cut.......makes it hard to watch and enjoy the 4k dci picture.
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post #224 of 229 Old 08-03-2012, 07:46 AM
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Quote:
Originally Posted by W.Mayer View Post

i got yesterday my first 4k dci material some trailers in 4k.
they are the new bond samsara (new bakara) and dark night.
all of them show a picture quality much better than anything else i saw before in 2d.
there are a big range between very good and poor seq.at all 3 trailers.
the most good parts have samsara.

some of the seq. looks like real with very much detail and very rich colors
over all i think the best trailer but also some seq. have unsharp corners.
the new bond was record with the arri alexa camera at only 2.8 k but it looks also very very good almost not any difference
to the other true 4k trailers.
bad as always the trailers cut cut cut.......makes it hard to watch and enjoy the 4k dci picture.

Thanks for the positive report Mayer.
So far the 4k trailers are coming from Deluxe. There are a few more included in the weekly trailmix. I noticed the "Sony 4K" intro is also native 4K. Hoping 4k becomes mainstream. The launch of the new IMBs
will help speed up the 4k upgrade path for the hardware manufactures.
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post #225 of 229 Old 11-02-2012, 02:47 PM
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Mayer.

Hope you are doing well. I have not spoke with you in some time. I am hoping you can help with an issue im having.

I got a new high-power computer to feed 4K to the Barco. I know it uses both DVI cables each at 2048x2160 for left side and right side.

I have the AMD eyefinity card so it can merge the two DVI outputs to one large 4096x2160 image.

When I connect to the projector it wont read the correct EDID settings. It only wants to allow 2048x1080.

I think i saw you had to use the Gefen DVI Detectives set to 2048x2160. My question is how do I set the Gefen DVI Detecetives to that resolution, so the computer will think that is the ccorrect resolution for each DVI connection?

Thanks,
Chris
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post #226 of 229 Old 11-04-2012, 03:51 PM - Thread Starter
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i use a 3d computer build from a company in austria call brainsalt see the link.
http://www.brainsalt.at

they can may can answer this question.

as i like not this kind of problems i order from them a computer system that can feed
the barco b32 with a 4k image at 4096x2160.

this computer can do even more as i can feed 2 times a 4 k image for 4k in 3d.
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post #227 of 229 Old 12-04-2012, 12:53 AM
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Have you thought about running dual Sony 4k projectors? Can this be done to deliver 3D4k and regular 4k on a 15' screen with ample brightness? Any thoughts on what outboard equipment might be needed to run a dual Sony 4k setup, aside from a HTPC? I take it you think the Sony 4k unit is the best available 2D projector on the market?

Also, were your Barco's modded to work in a home theater the way, say, Display Development does? I have never seen one of their modded Barco units but I have read that they are bright, with excellent picture quality. They also offer a single projector passive Dolby 3D upgrade but again I haven't seen it but heard it is great. I have always preferred passive 3D until I saw "Life of Pi." It was shown using active Expand (sp?) 3D glasses and it was off the charts wonderful. Not sure if the technology used in the cinema is available to home theater or not.

Anyway, thank you so much for taking the time to share your wealth of knowledge with us.
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post #228 of 229 Old 01-03-2013, 08:08 AM - Thread Starter
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no i have my 4k passive 3d setup with 2 4k dlps no need to change it ontill somthing much better comes up.

no i not use a modded barco 4k dlp as there is not any need for me.
the only thing i can increase will be cr. but i trade so much light for it that it make no sense at all for me.

for all 2d content since almost 1 year i use my sony 4k vw 1000 together with a 1.25 isco anamorph lens and i have almost 10ftl on my screen.
not as bright as i like it but i get used to it and the way the 4k sony lcos home cinema pr. handel cr. and ansi cr. and motion are very nice.

i really love my 2 setup version one for very high brightness 3d with the dlps and the one for perfect 2d the sony vw 1000 with the 1.25 isco anamorhic lens.
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post #229 of 229 Old 01-05-2013, 06:58 PM
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Any new 4K trailers lately?

JBL Pro Cinema
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