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post #2251 of 2337 Old 12-22-2013, 01:21 AM
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Hi everyone! :-)

 

I just registered today to be able to ask this question:

 


Is there any RBE on the pa70g? And if yes...how strong is it/how frequent does the effect occur?



My old Sanyo PLV-Z3 just died a week ago, and now I'm thinking of getting the pa70g...(hope the picture quality/brightness at least matches my old Sanyo)

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post #2252 of 2337 Old 12-22-2013, 10:13 PM
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Anyone using a Darbee with this projector? How was it? is there a difference?
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post #2253 of 2337 Old 12-23-2013, 11:28 PM
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Quote:
Originally Posted by keema View Post

Anyone using a Darbee with this projector? How was it? is there a difference?

I was using the Oppo 103D Darbee edition with the PA70G. For me this made the picture so much more satisfying and engaging. Added tons of depth and sharpness even on the 150 " screen. This really held me over until I could upgrade to the Vivitek H8090FD LED projector. We'll be using the PA70G for a bedroom projector again. But the Darbee feature made almost a night and day difference.
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post #2254 of 2337 Old 01-10-2014, 12:34 PM
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I'm getting a little frustrated trying to get my laptop working with my LG PA70G projector to display in 3D.  I know the projector itself will work in 3D as long as the resolution is 1024x768@120hz and the laptop's NVidia GTX 770M should have no issues driving the projector with this resolution.  Where it seems like the problems occur is Intel HD 4600 graphics driver gets in the way every time i try to run anything 3D, the software I’m using to run any 3D type files do not recognize the projector as a 3D capable device because all the laptop is using is the Intel HD 4600 graphics.  If I could somehow turn off the Intel graphics and just force the laptop to just use the NVidia card I think all my issues will go away.  I just am not having success in doing this.  I have tried to go into the NVidia control panel and under 3D settings pick the software program that runs my 3D files and tell it to use the NVidia card...but it never works.  I think everything is sent through the Intel graphics card regardless if the laptop is using the NVidia card (just guessing here)? 

 

I also tried to simply uninstall the drivers but that did not work, I also tried to disable the Intel graphics but it then went into some type of generic display driver mode and still would not work.  I also went into the BIOS to look for any settings that would allow me to disable the Intel graphics card ..no luck, could not find any settings for this. I have also used just about all the custom drivers from this thread with no luck.  And for some reason now when i try to again overwrite a new set of custom drivers (from this thread) my laptop tells me it cant use them because its not designed for 64bit.  Not sure why I was able to before but regardless its not working.  My laptop is as follows:

 

Toshiba Qosmio X75-A7298

Intel Core i7-4700MQ 2.4 GHz

Windows 8.1

16 GB DIMM

 NVIDIA GeForce GTX 770M

Intel HD 4600 graphics

 

Can someone help me with this?  Anyone with this type of issue found a way to disable the Intel graphics and force the laptop to just use the NVidia card all the time?  

 

Thanks!!

 

 

Edit:  I should also say I'm running the projector using a VGA cable just to make sure im not getting issues with the HDMI output not allowing the correct resolution and 120hz's  -  and tried this with and without the modified monitor inf files from this thread...

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post #2255 of 2337 Old 01-10-2014, 05:39 PM
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Hi All of you.
I tried to find any HDMI to VGA converter with 720p/120Hz compatible, but I did find nothing.
All converter are supporting 720p/60Hz signal.

So, how can I try 720p/120Hz 3d mode by VGA?

Can you conform is it work or not?

Thanks, John
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post #2256 of 2337 Old 01-12-2014, 06:01 AM
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Can anyone confirm that for PB60G and PA70G :

(İf you use HDMI 1.4)

1024x768@120hz (3D)
1280x720@120hz (3D disabled)


(İf you use VGA)

1280x720@120hz (3D)
1280x720@120hz (3D disable)



 

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post #2257 of 2337 Old 01-12-2014, 10:29 PM
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Quote:
Originally Posted by JanS19 View Post

Hi everyone! :-)

I just registered today to be able to ask this question:



Is there any RBE on the pa70g? And if yes...how strong is it/how frequent does the effect occur?



My old Sanyo PLV-Z3 just died a week ago, and now I'm thinking of getting the pa70g...(hope the picture quality/brightness at least matches my old Sanyo)

Yes there is RBE. It depends; it will only show up on light colors on a dark background. On the PA70G if you set the refresh rate to 120Hz the effect is minimal. At 60Hz it nearly reaches the annoying level of me Casio projector which uses a color wheel.
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post #2258 of 2337 Old 01-13-2014, 06:23 AM
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Thank you very much for the reply! I guess i'll stick with my PJ for another year or so, until technology has caught up to a point where there is no RBE anymore :-)
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post #2259 of 2337 Old 01-13-2014, 01:54 PM
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http://www.projectorreviews.com/pr_blog/home-theater-and-other-projectors-at-ces-2014/

Looks like LG learned that they need to provide some attention to the projector media outlets if they want more traction in the market. Art talks very briefly about the PF85U, and mentions he'll blog more in depth about it shortly. Maybe it'll actually be reviewed in the near future.

That said, what's with the hype over the Benq GP20? It looks like the exact same specs as the PA70G/75U with maybe a few other "mostly fluff" features. The MSRP is pretty laughable, but I know that's hard to tell where it's going to street based on that.
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post #2260 of 2337 Old 01-13-2014, 01:57 PM
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Whoops - thought this was in the PF85U thread. Oh well - looks like it's somewhat relevant to the PA70G. smile.gif
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post #2261 of 2337 Old 01-13-2014, 02:46 PM
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I bought my PA70G and I can't wait for the delivery: I really hope to get it before Friday to play a bit during the we. :rolleyes:

Price was outrageous :mad: but it was the best offer I got from this side of the Atlantic.

Everything is ready in the room: only the main character is missing!


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Video: LG PA70G

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post #2262 of 2337 Old 01-18-2014, 04:29 AM
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CES 2014 hang over no show for new LED projectors, LED projector threads are back in the pack.
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post #2263 of 2337 Old 01-20-2014, 05:23 AM
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I've got a Mitsubishi HC7900DW in bound. Not sure if it's worth it to sell my PA70G. Anybody have an idea of what they're going for on the used market? I see some for like $500+ here and there, but that sounds a little high. But if I'm only going to get $200-250 out of it, I think I might just hold onto it.
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post #2264 of 2337 Old 01-28-2014, 10:23 PM
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If anyone is interested I measured the output of my PA70G to get an accurate 2.2 Gamma curve and Grey scale. I don't know how close the manufacturing tolerances are with these units and someone using a smaller screen size or different lighting conditions would likely get somewhat different results but here ya go

My PA70G Settings PDF

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post #2265 of 2337 Old 01-29-2014, 01:35 AM
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Hi all,

Is there anybody that uses XBMC with the pa70g ?

I wonder if the video "zoom" option in xbmc do degrade movies because I'm limited in width screen size (150cm / 60 inches) and the throw ratio do not suit my room.

I would have to reduce picture of around 10 % to fit the screen.

I know "digital zoom" from projector do degrade picture quality because of poor electronic but if coming from a computer I wonder if there are any loss, I tested it on my 15 inches laptop and do not
see any difference even if i zoom a lot but on a big screen maybe it makes a lot of.

Thanks if someone find the time to test it.
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post #2266 of 2337 Old 01-29-2014, 09:43 AM
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I had XBMC running with my PA70G. IMO, there is so much scaling going on with the diamond pixel DMD that I doubt a little more scaling is going to noticeably change anything. Plus the optics are pretty poor, so CA and actual focus means being able to resolve the difference even if it's there would be difficult.

So scale away...
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post #2267 of 2337 Old 01-29-2014, 10:36 AM
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Quote:
Originally Posted by RPS13 View Post

I had XBMC running with my PA70G. IMO, there is so much scaling going on with the diamond pixel DMD that I doubt a little more scaling is going to noticeably change anything. Plus the optics are pretty poor, so CA and actual focus means being able to resolve the difference even if it's there would be difficult.

So scale away...

So you mean that the optic and electronic is so crap that I wouldn't see any difference with zoom ?

Am i right ? Sorry to ask but english is not my mother tongue.

If so maybe qumi q7 is better choice because review speaks about a good sharpness.
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post #2268 of 2337 Old 01-29-2014, 10:43 AM
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The optics are pretty poor on the LG, but I don't think the Qumi is really that much better. Maybe a slight bit, but it's still using tiny lenses that are made pretty cheaply. None of the small LED projectors have really solid optic quality really.

The diamond pixel arrangement on the DLP DMD causes lots of scaling to happen regardless of the input resolution (which is based on square pixels). So a little additional scaling with a digital zoom won't be noticed IMO.
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post #2269 of 2337 Old 01-29-2014, 10:52 AM
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Quote:
Originally Posted by RPS13 View Post

The optics are pretty poor on the LG, but I don't think the Qumi is really that much better. Maybe a slight bit, but it's still using tiny lenses that are made pretty cheaply. None of the small LED projectors have really solid optic quality really.

The diamond pixel arrangement on the DLP DMD causes lots of scaling to happen regardless of the input resolution (which is based on square pixels). So a little additional scaling with a digital zoom won't be noticed IMO.

Thank you very much for your answer.

Normal sized bulb projector are too bright for me (need a 60 inches width max) so unless i put an ND2 filter to reduce lumens output ...
so I thought a small led would be more convenient but still thinking because
even if it would be a second video room I don't want a crappy pictures that would make me go to watch movies on my tv lol
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post #2270 of 2337 Old 01-29-2014, 11:33 AM
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At 60" I think you'll be fine with the PA70G. The optic issues and scaling isn't going to significantly detract from the image at that size.

Have you thought about spending a little more for a high quality bulb projector? I recently got a Mitsubishi HC7900DW, and it absolutely blows away the PA70G in pretty much every category I can think of except bulb replacement cost...

You can get it down to a really high contrast ~500 lumens which is perfectly fine at 60". It'll be a bright, punchy image at that size, and you can have some ambient light on comfortably. It's $800 shipped now in the US, was originally a >$2k projector, so IMO it's a huge bargain right now.
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post #2271 of 2337 Old 01-29-2014, 11:59 AM
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Quote:
Originally Posted by RPS13 View Post

At 60" I think you'll be fine with the PA70G. The optic issues and scaling isn't going to significantly detract from the image at that size.

Have you thought about spending a little more for a high quality bulb projector? I recently got a Mitsubishi HC7900DW, and it absolutely blows away the PA70G in pretty much every category I can think of except bulb replacement cost...

You can get it down to a really high contrast ~500 lumens which is perfectly fine at 60". It'll be a bright, punchy image at that size, and you can have some ambient light on comfortably. It's $800 shipped now in the US, was originally a >$2k projector, so IMO it's a huge bargain right now.

Hi RPS13,

I can stretch the budget a little, but as I said it will be a second video room so I do not want to spend too much and the tiny size of led projectors appealed me (not too much visible) and not to mention the longevity of course.

The distance between "eyes" and screen will be as small as 3 meters (10 foot) with a max screen width of 60 inches (around 68 inches diagonal 16/9 mode) limited by a shelf where I'will put a screen.

Are you sure it is possible to lower the lumens of your projector to something like 500 lumens ?? I mean I banished bulb projector because for my "project" it seemed like a light gun lol
I heard about eco mode ... but still seemed too high.

I cannot put a tv in the room and whatever I heard, 60/70 inches diagonal is BIG enough to get the "cinema feeling".

Those years affordable projector tend to be like 2000 to 3000 lumens which are way too high eek.gif

Time are long were the sub 1000 lumens were king lol (sanyo Z1, davis cinema one, and many others ...)

Thanks for time spent
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post #2272 of 2337 Old 01-29-2014, 01:13 PM
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The HC7900DW can do 1500 lumens is absolute torch mode that makes everything look ghastly green. Realistically it'll do about 1000-1100 lumens cranked way up, and on high contrast, low bulb settings it'll do about 550-600ish. 550-600 lumens is perfectly fine at that diagonal size, and will allow some ambient light. The HC7900 also has a dynamic iris, and you can tune it to be more aggressive to knock down a bit of light as well and give better blacks. I have mine at 110" diagonal, and I think it's ok for very very low amounts of light, like a 40W light bulb not hitting it directly, but I could totally zoom it down to ~70" diagonal and watch it comfortably. It's a real home theater projector meant for higher contrast and not retina burning brightness like some of the more living room oriented entry-level models.

The bare Osram bulbs are about $100, and Mitsubishis have a long long bulb life in practice.


I just made the jump, and while the HC7900 is more expensive, it is a whole heck of a lot more projector. The sharpness is absolutely mind blowing after coming from the PA70G.
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post #2273 of 2337 Old 01-29-2014, 01:48 PM
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Quote:
Originally Posted by RPS13 View Post

The HC7900DW can do 1500 lumens is absolute torch mode that makes everything look ghastly green. Realistically it'll do about 1000-1100 lumens cranked way up, and on high contrast, low bulb settings it'll do about 550-600ish. 550-600 lumens is perfectly fine at that diagonal size, and will allow some ambient light. The HC7900 also has a dynamic iris, and you can tune it to be more aggressive to knock down a bit of light as well and give better blacks. I have mine at 110" diagonal, and I think it's ok for very very low amounts of light, like a 40W light bulb not hitting it directly, but I could totally zoom it down to ~70" diagonal and watch it comfortably. It's a real home theater projector meant for higher contrast and not retina burning brightness like some of the more living room oriented entry-level models.

The bare Osram bulbs are about $100, and Mitsubishis have a long long bulb life in practice.


I just made the jump, and while the HC7900 is more expensive, it is a whole heck of a lot more projector. The sharpness is absolutely mind blowing after coming from the PA70G.

Mmmm I'll dig a little about bulb projector ...

But where did you get yours ?? I've just checked about it and can't find it anywhere (I live in belgium). I heard that mistubishi stopped manufacturing projectors, all stocks seem to be sold, bad luck !!! cause low lumens bulb projectors are very rare.

I think I now understand why TV set sells better than projectors lol Many constraints but I'll hold it !!

When you say u can zoom to 70 inches with some ambient light, are not the black bars too grey ?? It is really watchable ?

again, thank you very much for all your advices, It will be my first projector.
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post #2274 of 2337 Old 01-29-2014, 03:26 PM
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I have to say (bear with me, I can't resist to comment).

This projector is great.

I can beam a 115' screen from 3.5 mt and with controlled light it is amazing.

I'm very happy with it.

But I have also to say that even a bit of light from outside makes the image very blurry and not good anymore.


________________________________

Audio: TECHNICS SE-CH404

Video: LG PA70G

Source: ACER K93S

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post #2275 of 2337 Old 01-29-2014, 03:54 PM
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Quote:
Originally Posted by tsubasa83 View Post

I have to say (bear with me, I can't resist to comment).
This projector is great.
I can beam a 115' screen from 3.5 mt and with controlled light it is amazing.
I'm very happy with it.
But I have also to say that even a bit of light from outside makes the image very blurry and not good anymore.

Hi tsubasa83,

It is very tempting to get the big pictures for under 600 euros but i guess it is a choice of being small and durable against sharp and flexible as bulb ones.
Is the noise disturbing on eco mode ?
I would beam a 70 inches diagonal so maybe could put on eco.
Thanks.
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post #2276 of 2337 Old 01-29-2014, 04:20 PM
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Originally Posted by breezer001 View Post


Hi tsubasa83,

It is very tempting to get the big pictures for under 600 euros but i guess it is a choice of being small and durable against sharp and flexible as bulb ones.
Is the noise disturbing on eco mode ?
I would beam a 70 inches diagonal so maybe could put on eco.
Thanks.

 

I am not an experienced user of pj, so keep this as a rookie comment.

 

In my view, eco and normal mode have a low noise (it is not disturbing while watching a movie, even during quiet scenes). Only the brighter mode is accompanied with high noise and I tried it just for fun but I'll never use it.

 

I use normal mode (the middle one) for a 115' diagonal and it is fine for me when outside is getting dark (since my pad has very very bad blinds - in fact I wake up early during the weekend too due to the sunlight entering my room).

 

Consider also that it has no zoom, so the diagonal you'll get depends on the distance from the screen: do your calculation properly if you have some specific constraint.


________________________________

Audio: TECHNICS SE-CH404

Video: LG PA70G

Source: ACER K93S

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post #2277 of 2337 Old 01-30-2014, 12:21 AM
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Quote:
Originally Posted by tsubasa83 View Post

I am not an experienced user of pj, so keep this as a rookie comment.

In my view, eco and normal mode have a low noise (it is not disturbing while watching a movie, even during quiet scenes). Only the brighter mode is accompanied with high noise and I tried it just for fun but I'll never use it.

I use normal mode (the middle one) for a 115' diagonal and it is fine for me when outside is getting dark (since my pad has very very bad blinds - in fact I wake up early during the weekend too due to the sunlight entering my room).

Consider also that it has no zoom, so the diagonal you'll get depends on the distance from the screen: do your calculation properly if you have some specific constraint.

Hi again tsubasa83,

Glad to hear this little projector is not "that" loud even if I'll use it with an headphone to begin. First the projector, then I'll take care of the audio.

Actually, the throw ratio do not suit the image size I need, so I'll link it to a laptop with "XBMC" in order to use the video zoom option
to reduce picture from about 20%. I tested the zoom and can't see any difference even with 50% zoom. I guess it is handled by graphic card no to lose any quality ??

(The constraint is that only the computer through xbmc will give me the size I need, so no ps3 or bluray.)

I mean technically the projector will throw a picture of around 83 inches diagonal in 16/9 mode, but video will be displayed in only 68 inches, with same brightness of course, I guess I mean, I should test the result to be sure lol

Hope it will be better than using the digital zoom of the projector because it is known as degrading a lot quality.

Last question, do you thing a viewing distance of 2 times the width screen is possible without eyestrain ??

Many thanks !
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post #2278 of 2337 Old 01-30-2014, 07:57 AM
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Quote:
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Mmmm I'll dig a little about bulb projector ...

But where did you get yours ?? I've just checked about it and can't find it anywhere (I live in belgium). I heard that mistubishi stopped manufacturing projectors, all stocks seem to be sold, bad luck !!! cause low lumens bulb projectors are very rare.

I think I now understand why TV set sells better than projectors lol Many constraints but I'll hold it !!

When you say u can zoom to 70 inches with some ambient light, are not the black bars too grey ?? It is really watchable ?

again, thank you very much for all your advices, It will be my first projector.

I got mine from the USA store BH Photo and Video.

Ambient light is going to wash out your blacks, but the HC7900DW will have enough lumens at 70" diag 16:9 to deal with some ambient light. It's not like a TV screen where blacks are mostly retained with ambient light, no projector can do that.


As for noise, the HC7900DW in high lamp mode is probably a bit quieter than the PA70G in maximum energy saving mode (i.e. lowest lamp mode, there are 3 modes). I ran my PA70G in medium (or 2 out of 3 in brightness), and it was pretty loud, and for quiet movies kinda distracting in some scenes. In high lamp mode the PA70G sounds like a tiny hair dryer - totally unusable for movies IMO. The HC7900DW in low lamp is silent from my seating position, can't even hear the fans when I try to listen for them.

So IMO, if the PA70G is going to be close to you, its small form factor and small fans make the noise an issue, even at 70" diagonal. Especially if you're going to have a little ambient light, which it won't handle well (it's like 300 lumens in the lowest lamp mode).



I only bring up bulb projectors to show what you get with a little bit more $$$. It's very significant IMO, mostly due to the form factor increase and the resultant noise and optics benefits.
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post #2279 of 2337 Old 01-30-2014, 12:46 PM
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...

Last question, do you thing a viewing distance of 2 times the width screen is possible without eyestrain ??

Many thanks !

 

 

 

 

Hi breezer001,

Actually I am more or less 3 mt from the screen (1.2 times the screen width).

It is fine for me since I am almost blind as a bat!

I'm kidding, but I am at the nearest possible position to the screen and I really like it.

So I cannot really tell how it is to sit so far away.


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post #2280 of 2337 Old 02-11-2014, 12:35 AM
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Hi guys,

Anyone knows if using "xbmc" zoom out function to reduce picture modify brigthness ?

thanks all
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