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Ken,


"I'd probably sell the included scaler and think of it as a rebate. Should fetch more than $2k on the open market? It's pretty much bleeding edge."


Depends upon how flexible it is. If it has say just a fixed 1080p output (what the Optoma needs) then it would be less useful to others as a scaler.


Shawn
 

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Dang I have the H77 and was waiting until the H81 to upgrade. However, I have my screen mounted only a few inches down from the ceiling and no lense **** puts me out too. Hopefully they will have an H82 soon and include lense shift on that model. I love optoma and if no lense shift in the next year I will have to look at the new sharp 20000
 

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Quote:
Originally Posted by Bob Sorel /forum/post/0


Ok, I've created a sample installation so that people could get an idea of what 27% offset will mean in real life. I am going to use a standard 8' (96") ceiling for my example, and I am going to assume that I am able to build a "hugger" ceiling mount for the projector in order to get it within 4" of the ceiling. Also, I am going to use my actual screen, a 16:9 100" X 56" wall mount (114" diagonal) with 1.5" frame all around. Here's how it fits:


96" total height

92" high is center of lens (4" down from ceiling)

77" high is top of viewable screen (I rounded off 15.12" to 15" - top of frame would be 78.5" high)

21" high is bottom of viewable screen

19.5" high is bottom of frame


Using a 114" diagonal screen in an 8' room, "hugging" the ceiling with the projector would then leave you with 19.5" below your screen to place your center speaker, or you could mount it above the screen since your screen will be 78.5" down from the ceiling, giving you 17.5" above to work with.


Now, if you increase the size of the screen, don't forget that the screen will need to mount lower on the wall, as the 27% of screen height offset will increase as the screen gets larger.


If you use a more normal mount with a drop of 8" instead of 4", shift everything down 4".


You can also "fudge" things a bit by tilting the projector in order to mount the screen up higher and/or use a larger screen, but make sure you have a fairly wide black border to absorb the slightly trapezoidal image that will result from tilting the projector.


I have provided this example just so that people can get a feel for how this projector will or will not fit into their particular plans.


I have a 7' ceiling and my center speaker speaker measures 72" X 18" X 18" (yes, it really is that huge!), so unfortunately the HD81 won't work for me.

One additional point to add: if you buy that eye level should be about 1/3 of the way up from the bottom, then this puts eye level at 39.67" (not too bad with a decent couch/chair). If you drop the mount 4", then you start looking for bean bags or those Recaro-wannabe gaming seats.


Later,

Bill
 

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The large offset makes it unworkable for me as well.


TzungILin, I imagine Optoma is already at work on a model that will allow upgrading from H7x.


Will it retain the powered zoom/focus (I hope so)?


Can you say when it might ship?


Thanks
 

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I thought the Optoma was the best thing to be seen at the show. Everyone walked away stunned at the power of the image, the blacks and the great colors, the color being very strong and especially natural in facel tone/hues. The Narida clip was simply amazing and I reveled in the tone hues in the actors faces. Nice3 job (Tz) on the color and good to meet you.


The color wheel is at a new speed, 180hz which Wing says puts it over 6x's speed. Rainbows could not be seen period. Both the H81 and the H80 use the Gennum chip and the RGB/RGB-1Dark-green segments.

http://www.cigarbest.com/sales/h81nardia1.jpg

http://www.cigarbest.com/sales/h81nardia2.jpg

http://www.cigarbest.com/sales/h81.jpg


Pictures don't show it but this PJ was extremelty bright with vivid color and deep blacks. Action scenes with panning were rendered very fast and smooth. I don't think the people looking for trailing pan problems will have any trouble.


Actually a couple of other demo's I saw showed odd combing during pans. Not sure if it was the giant SXRD at Sony or some of the LCD's I saw. The Hitachi, Sanyo, Epson.


I'm sorry to say the LCD's all showed what I'll call a high crammed dot image. A problem if you're looking for smooth film type video. These are extremely low priced machines so it could be ok. Shows fill is very important.
 

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Tom,


"The color wheel is at a new speed, 180hz which Wing says puts it over 6x's speed. Rainbows could not be seen period."


If you're not susceptible to RBE, this doesn't mean much.


Were there normally susceptible people there who didn't see it?


Thanks
 

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As far as the offset, it will work easy for me. I have average 8' ceilings, with my cheif mount that puts the screen right in the sweet spot.


The other projectors.
http://www.cigarbest.com/sales/otpomagroup.jpg


The H72 looked very good, the H80 looked twice as good.


The h72 will be a super deal for HD resolution. It does have brillant color and Faroudja processing. The 768 vertical res can be used for a taller classic 4.3 image but you'll need a motorized screen to line up the 4.3 image tighter.


The 72 can be used with 16.9 screens displaying in typical fashion. 16.9 and normal 4.3 with black bars on the sides. I have an electric screen so I could utilize the larger 4.3 image and still retain natural 16.9 also.


This other machine taking over for the H79 is a two item deal. The projector uses the Dark chip 3 comes with the Gennum processor seperate box HDMI swither scaler which has extra goodies. The MSRP is $6k.


If I got the prices right the -

H81 $9999

H80 not sure, we need to know the stand alone H80 msrp? My guess $7999

HT7300 $5999

H72 $3999


You must know the street levels by now so prices across the board look very nice. Too cheap I think.
 

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Quote:
Originally Posted by noah katz /forum/post/0


Tom,


"The color wheel is at a new speed, 180hz which Wing says puts it over 6x's speed. Rainbows could not be seen period."


If you're not susceptible to RBE, this doesn't mean much.


Were there normally susceptible people there who didn't see it?


Thanks

True I'm not bothered buy the rainbow effect but I could bring them out with projectors if I tried. Same for Wing, he tried also. I'm not sure if this will help people that get eyestrain. Chances of reports from rainbow people are a low percentage prop.


Oh, I didn't gamble much but beat Winn's new Casino for a clean $1200, thx Mr. Winn.



Wing and Tz, I'm not rude at not showing at your party, thanks for the invite. I was there on line to go in but I travel in Las Vegas with running shoes on. They threw me off the line (no sneaker guys allowed) Sorry. But I did hit thier Casino for the $1200.
 

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Bob, glad you came back in to quiet all the excitement about a "negative" offset and no lens shift...

My first question would have been... "has anyone ever seen a projector with a negative offset?" What would be the purpose of this design... and who was it designed for?



Second as Tzun told us from the gitgo that the housing was stolen from a business projector, just think about a business presentation... you always have the portable projector on the conference table projecting an image up where everyone in the room can see it.


I agree that this was a "warp-speed" effort by Optoma to counter the Ruby threat.... what amazed me was just what a terrific job Optoma did! This thing is just drop dead gorgeous!


I am sure Optoma will be following this with more cool stuff and hopefully they will be able to address the needs of folks with low ceilings..... but at least they have a great performing platform to work from!
 

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Quote:
My first question would have been... "has anyone ever seen a projector with a negative offset?" What would be the purpose of this design... and who was it designed for?

TI's reference designs have all been fixed negative offsets, haven't they? And they've appeared in projectors like the Infocus line I know.
 

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Don't Panamorphs or ISCOs change the native offsets of projectors? If so, would they help or hurt in this situation... maybe the HD81 could be a perfect 2.35 setup for some.

-Matt
 

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Isn't the most accurate part of the lens the center. I know a lot of people with the Dwin TV3 had problems with ghosting when the lens was shifted more. I guess this may have been caused by stray light reflecting off the sides of the optical chamber or poor design.


I'm just wondering if a lens shift may complicate things a bit versus just a straight shoot through the middle.
 

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Quote:
Originally Posted by guitarman /forum/post/0


I thought the Optoma was the best thing to be seen at the show. Everyone walked away stunned at the power of the image, the blacks and the great colors, the color being very strong and especially natural in facel tone/hues. The Narida clip was simply amazing and I reveled in the tone hues in the actors faces. Nice3 job (Tz) on the color and good to meet you.


The color wheel is at a new speed, 180hz which Wing says puts it over 6x's speed. Rainbows could not be seen period. Both the H81 and the H80 use the Gennum chip and the RGB/RGB-1Dark-green segments.

http://www.cigarbest.com/sales/h81nardia1.jpg

http://www.cigarbest.com/sales/h81nardia2.jpg

http://www.cigarbest.com/sales/h81.jpg


Pictures don't show it but this PJ was extremelty bright with vivid color and deep blacks. Action scenes with panning were rendered very fast and smooth. I don't think the people looking for trailing pan problems will have any trouble.


Actually a couple of other demo's I saw showed odd combing during pans. Not sure if it was the giant SXRD at Sony or some of the LCD's I saw. The Hitachi, Sanyo, Epson.


I'm sorry to say the LCD's all showed what I'll call a high crammed dot image. A problem if you're looking for smooth film type video. These are extremely low priced machines so it could be ok. Shows fill is very important.

Tom,


Do you have any pix of the HD81/Narnia scene from the dark portions, like when they were just walking to the wardrobe??? The background walls were full of noise when I saw the demo, just curious if someone else saw this? I'm sure this will be worked out in production.
 

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So then what is the official model number for the PJ that is replacing the H79 that runs for 6,000? Is it the HT7300? Does it not have lens shift either? And is it 1080p?
 

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I would like to come back to Matt's point: Is an Isco nearly mandatory for such a model, isn't it ? It would sharten the throw ratio to a usable format (1.8-2.2 is simply to long for me) when using 1:2.35 and can help to give some kind of lens shift.
 

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"and can help to give some kind of lens shift. "


Not really. You can move the image up/down by tilting the ISCO but in doing so you increase geometric distortion top and bottom on the picture. With a lens shift that doesn't occur.


The tilt and vertical positioning of the ISCO is basically used to minimize distortion. You align the projector with the screen then setup the ISCO for the same alignment with the least distortion.


Shawn
 
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