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post #1261 of 1277 Old 07-11-2014, 12:44 PM
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New construction house with a 15'x64' rec room in the basement. HT is far end 15'x25' with a 9'x12'x12" rise/platform starting 11' from front wall. Building a 9.2 system with a 130" fixed screen. I'm looking to buy the 55ES mounted 18' from front wall/screen. Any recommendation with the installation of the 55ES and what screen works well with projector. Besides watching movies, I'm a big sports watcher (DirecTV & football package). Any recommendation would be helpful, I'm slowly reading through the long thread.

There are quite a few different screens that work well - sort of depends on your room, whether it's dark, etc. !

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post #1262 of 1277 Old 07-11-2014, 04:15 PM
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It's a rec room with control ambient light from double patio doors in the middle of the 64' length.
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post #1263 of 1277 Old 07-11-2014, 04:32 PM
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I suppose if you want a screen that size I'd recommend one with some gain - 1.3 gain, white. Give us a call at AV Science to get specific prices and ideas ( or send an email ). There are several good choices at various price points.

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post #1264 of 1277 Old 07-11-2014, 10:12 PM
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Do we still need a A-Lens with HW55 if we have a Lumagen Mini 3D?
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post #1265 of 1277 Old 07-11-2014, 10:19 PM
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yes I would still use an A-lens
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post #1266 of 1277 Old 07-11-2014, 10:21 PM
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Originally Posted by ttlnb View Post
yes I would still use an A-lens
Can you give me some info on Lumagen vs A-Lens. Is there a loss of quality using Lumagen?

Lumagen mini costs 1500 and A-Lens is 4K, so trying to see which makes sense for 2.35 viewing using HW55. Thx
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post #1267 of 1277 Old Yesterday, 04:43 AM
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There is a significant lumen difference from my viewing between an A-lens and using the zoom method. You get about 25% more light output using the lens and IMHO the picture looks crisper than using the zoom method. The Lumagen is a video processor and I am sure does a better job of scaling and video processing but it can't change that you are not using the full light output of the projector.
I am not sure if a better quality lens makes a bigger difference but my friends with the A-lens all have the basic Panamorph Cinevista model which is about $2000. So you might not need a $4000 model.
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post #1268 of 1277 Old Yesterday, 06:03 AM
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Quote:
Originally Posted by smuggymba View Post
Do we still need a A-Lens with HW55 if we have a Lumagen Mini 3D?
Look at the used market for a lens or contact Panamorph directly to see if they have any B stock. Panamorph guys are very helpful. Would need a mounting plate and sled to go with the lens.
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post #1269 of 1277 Old Yesterday, 07:22 AM
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Quote:
Originally Posted by smuggymba View Post
Can you give me some info on Lumagen vs A-Lens. Is there a loss of quality using Lumagen?

Lumagen mini costs 1500 and A-Lens is 4K, so trying to see which makes sense for 2.35 viewing using HW55. Thx
When using just a lumagen to get the 16:9 image onto your scope screen, you lose resolution when showing 16:9 and you are not using all of the pixels, when showing scope.

With a fixed in place A-lens, you are losing resolution when showing 16:9, but are using all of the pixels when showing a scope image.

With a moveable A-lens you get full resolution when showing 16:9 and you are using all of the pixels when showing a scope image.

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post #1270 of 1277 Old Yesterday, 11:52 AM
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Thanks all.

So basically, Lumagen just helps to adjust the screen size and improve the pic quality based on some settings. A-Lens, as per my knowledge, will only go from 16:9 to 2.35 and not 2.36, 2.37, 2.40 etc..is this correct?

so, we need Lumagen and A-Lens both for a great picture..right?
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post #1271 of 1277 Old Yesterday, 12:30 PM
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Quote:
Originally Posted by smuggymba View Post
Thanks all.

So basically, Lumagen just helps to adjust the screen size and improve the pic quality based on some settings. A-Lens, as per my knowledge, will only go from 16:9 to 2.35 and not 2.36, 2.37, 2.40 etc..is this correct?

so, we need Lumagen and A-Lens both for a great picture..right?

How much more for the VW500es? This is 4K pj with lens shift.
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post #1272 of 1277 Old Yesterday, 12:48 PM
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Mike is of course correct and the moveable A-lens is the best solution. Most of my friends use a fixed lens although the one that has a manual moveable lens rarely moves it. If you use a fixed lens and watch 16:9 material you have two options.


The first option is to watch the 16:9 picture stretched to 2.35 and this is what most of my friends do even the one with the moveable lens. The other option is the video processor scales the stretched picture to make the aspect ratio correct and gives you the black bars on the sides. This does reduce resolution but surprisingly it still looks pretty good. This is where the Lumagen might do a better job than the built in processing of the projector. None of my friends have a Lumagen so I can't compare. One does have a DVDO processor but doesn't use a scope screen.


If you get a moveable lens it is probably better to get a powered one if budget allows. I think the reason my friend doesn't move his lens is he doesn't want to go op to the projector and do it. The trade off is the fixed is of course less expensive but the powered ones that slide out of the way are probably more than $4000.
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post #1273 of 1277 Old Yesterday, 01:21 PM
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I just seen your post. I think this can be difficult to explain without seeing it but I will try.


An A-lens does nothing more than stretch the picture horizontally. So if you are watching high def material and you put an A-lens in front of the projector the high def material is now stretched. Similar to the way many people years ago would have a new high def TV but still watch their familiar standard definition channels stretched to fit the screen.


So if you have a 2.35 screen and no lens you will have black bars on the sides. With the lens the 16:9 material is stretched to 2.35. If High Def TV is your biggest concern than do not get a 2.35 screen.


If movies take a priority over High def TV than a 2.35 screen might be for you. Since most movies are filmed in ~2.35 they will have black bars on the top and bottom on a high def TV or screen. If you have a 16:9 projector with an A-lens and want to use a 2.35 screen a couple things need to happen to make it fit the screen.


The projector (or video processor) has to stretch the screen vertically to fill the screen and get rid of the black bars on the top and bottom. Then the A-lens needs to be in front of the projector to stretch the screen horizontally. So you have a video processor stretching the picture vertically and a lens stretching it horizontally.


So if you have a 2.35 screen and a 16:9 projector with a moveable lens. You would move the lens out of the way when watching high def and have black bars on the side or a masking screen if you want to spend even more money.


If your lens is fixed in place everything is stretched. If you are watching a movie you have the video processor stretch the picture to fill the screen vertically. If you are watching 16:0 material you either watch it stretched or have the video processor 'squeeze' the picture to give you the correct aspect with black bars on the side. This does lose some resolution.


Whether you are stretching the picture vertically to get rid of the black bars top and bottom for you A-lens or squeezing the picture to add the black bars to watch 16: material this is an area where a better processor can make a difference. And an external processor is needed for projectors that do not have this scaling capability like the Epson 5030. That is one of the difference between the 5030 and 6030 is this capability. The Sony has the built in scaling and IMHO does a decent job. I imagine the Lumagen will do a better job but how much better I don't know.


I hope I explained this correctly. It is easy once you see what is happening and play with the various scaling functions on the projector. I have had other projectors but always a 16:9 screen. Once one of my friends got a 2.35 and I played with it, everything made a lot more sense.


I am currently redoing my room and will be doing a 2.35 screen (possibly curved). I haven't decided on a projector yet but might wait for Cedia as I still got more to go on my room.
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post #1274 of 1277 Old Yesterday, 01:35 PM
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Quote:
Originally Posted by ttlnb View Post
Mike is of course correct and the moveable A-lens is the best solution. Most of my friends use a fixed lens although the one that has a manual moveable lens rarely moves it. If you use a fixed lens and watch 16:9 material you have two options.


The first option is to watch the 16:9 picture stretched to 2.35 and this is what most of my friends do even the one with the moveable lens. The other option is the video processor scales the stretched picture to make the aspect ratio correct and gives you the black bars on the sides. This does reduce resolution but surprisingly it still looks pretty good. This is where the Lumagen might do a better job than the built in processing of the projector. None of my friends have a Lumagen so I can't compare. One does have a DVDO processor but doesn't use a scope screen.


If you get a moveable lens it is probably better to get a powered one if budget allows. I think the reason my friend doesn't move his lens is he doesn't want to go op to the projector and do it. The trade off is the fixed is of course less expensive but the powered ones that slide out of the way are probably more than $4000.
Thanks. I'm just trying to see where to spend the money first - A-Lens or Lumagen. I'll be watching movies and sports mainly. It's all about the budget, I won't have money for both. Will see how much a B-stock DC1 costs from Panamorph. Can we also buy a used Lumagen mini from AVS? I can possibly have both and save money also
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post #1275 of 1277 Old Yesterday, 02:47 PM
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If you decide on a 2.35 screen an A-lens would be the place to start.
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post #1276 of 1277 Old Yesterday, 04:55 PM
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If you decide on a 2.35 screen an A-lens would be the place to start.
Good explanation ttlnb. If HW55 already does the vertical stretch, I'd rather spend first on A-Lens first so I can get the horizontal stretch. How much would a B stock DC1 cost with and without motorized sled? Or I could stand on the couch each time to move it in or out of the way
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post #1277 of 1277 Old Today, 02:20 AM
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I used an Iscan duo/ Prismasonic HD-5000R lens with a Sony HW55, this worked well.

I know where a Panamorph UH380 with a sled is for sale if your prepared to buy across the pond. 'Well I'm pretty sure Stuart hasn't sold it yet?'

http://www.avforums.com/threads/anam...#post-20865695

http://www.avforums.com/threads/my-s...-room.1619783/

I know this doesn't count for much, but I've seen the lens and its in great condition.

Last edited by magicj1; Today at 02:43 AM.
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