Optoma HD23.....just bought one - AVS Forum
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post #1 of 35 Old 04-15-2012, 02:28 PM - Thread Starter
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I just picked up a new optoma HD23 off ebay for 850$+20$ shipping . It was kind of a risk because I barely found anything info on the projector online, one cool thing though is that it has a 5 year color guarantee, which means it will look as good as the day you bought it. 2500 lumens,5000:1 contrast ratio for under 900$ I think is pretty sweet since I wanted to spend at most 1000$ bucks. So what do you guys think about this projector would you off jumped on this.
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post #2 of 35 Old 04-15-2012, 05:12 PM
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Quote:
Originally Posted by waffleman206 View Post

I just picked up a new optoma HD23 off ebay for 850$+20$ shipping . It was kind of a risk because I barely found anything info on the projector online, one cool thing though is that it has a 5 year color guarantee, which means it will look as good as the day you bought it. 2500 lumens,5000:1 contrast ratio for under 900$ I think is pretty sweet since I wanted to spend at most 1000$ bucks. So what do you guys think about this projector would you off jumped on this.

Pretty much all DLPs hold their color. Looks like you got yourself a good deal. I read this is basically an HD33 without 3D. It has a DC3 chip instead of the DC2 found in the HD20. Only place it may hurt you is in light output. Too much of it can kill the image/contrast. This will have an affect on your dark scenes making them look washed or greyed out.

Enjoy your new projector!
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post #3 of 35 Old 04-16-2012, 07:17 AM
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Does HD23 have 3x Color Wheel or 4x ??
Can't finde any information about that
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post #4 of 35 Old 04-16-2012, 09:39 AM
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I see these for sale at BB for 999.00...are these just a repackaged HD20 or something new...specs are different.
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post #5 of 35 Old 04-28-2012, 05:35 AM
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I had been holding out upgrading my HD70 for some time until it died and I just picked up the HD23 from Best Buy because my HD70 bulb died and I didn't care to wait the weekend without the Theater room.

Yes the HD70 was 720P and an older model but it lasted me 4 years and I had the H31 previous to that. So I have had great luck with Optoma, I didn't need to change my Logitech programming, I used my same mount that I had made for the H31 and HD70, the throw is similar but less drastic and there was no question that it would work fine in my room, but unlike moving from the H31 to HD70, the lens on the HD23 is on the other side and I did have to move it closer and to the left for it to work properly without Keystoning.

I have no need for 3D and have a limited budget and the HD23 fit the bill nicely. I considered the Epson 8350 until I saw it at Best Buy and the size of the 3850 really turned me off along with filter changes and LED convergence.

From what I read the HD23 is different from the HD20 in that it has more Lumens and uses the Darkchip 3 vs the Darkchip 2. It is a light canon in comparison to my used up HD70 but that would be expected as the bulb had reached the end of it's life, and the HD23 is rated much higher in regards to light output.

I will be waiting to setup color as I need more time on the bulb, there are very few reviews of the HD23 and while I am not ready to give it a full one myself I can say that I am pleased with my purchase. The overall value of the projector is clearly it's strength.

Whatever happens today...Tomorrow is coming!
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post #6 of 35 Old 04-28-2012, 07:59 AM
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Quote:
Originally Posted by Nordio View Post

Does HD23 have 3x Color Wheel or 4x ??
Can't finde any information about that

According to this seller (Spain) website:

Quote:


Excellent Video and Digital specification

New Texas Instrument 1080 Darkchip3 DMD
True resolution support: 1920 x 1080 native on 1080i/p,720p
6 segment color wheel with 3x speed in PAL
High Brightness 2500 ANSI Lumens (TBD) and high contrast 6000 : 1 (with Image AI) (TBD)
HDMI x2 ,HDMI Port support HDMI 1.3 Deep Color

The 6 segment color wheel is RGBCYM.

http://www.supersonido.es/cas/site/p...a.asp?id=11010

EDIT: The Optoma HD23 had a limited early release in the UK in January 2012 with a general release in March.

There are few reviews on this projector but here are two from the UK:

http://www.whathifi.com/review/optoma-hd23
http://www.stmlabs.com/2012/03/24/optoma-hd23-review/

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post #7 of 35 Old 04-30-2012, 08:51 AM
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I purchased the HD23 last week at BB to replace my aging Mitsubishi 1500 (720dlp). I figured it would be a good projector as it seemed to be the replacement for the HD20. While I was concerned that the HD23 would be a light cannon, I did not think I would have a problem with RBE. My room is light controlled and I project on a grey wall. I wasn't really worried about the added lumens because of my grey screen, but the rainbows really surprised me. With bright colored screens the RBE was almost non-existent. But with dark/night scenes it was very easy to see. I played with the brightness and contrast settings for about an hour to see if it would help, but I could not eliminate the RBE.

This was my 3rd DLP projector purchase. (Infocus X1 and Mit 1500 were my previous projectors) I had not had a problem with rainbows with either of those models. Only other time I had seen rainbows was an old Dell DLP projector (dont remember model #) I borrowed from work while waiting for a replacement bulb to come in.

Is it possible that the added brightness is causing the RBE for me? Is it maybe a defective unit? Is anyone else seeing the RBE on dark scenes with this projector? With the advancement in home theater projectors in the last few years, I really thought RBE was a thing of the past.

Perry
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post #8 of 35 Old 04-30-2012, 12:48 PM
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I saw the same thing in Dark scenes at first, but I found that after I tweeked the settings, I didn't notice it again. I also was on Photo setting, which is the default and put it on cinema

I am not sure but I too have only had two projectors, both DLP's and both Optomas, and never noticed it before.

Give it a few hours, I currently have 36 hours, and set some adjustments and then see if it still effects you. You have a 14 or 30 day return, so...

Let us know how it works out.

I used Avia to setup the projector even though I really need the bulb to go longer before really calibrating it... but it gave me a good baseline.

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Contrast – 45
Brightness – 37
Color – 56
Tint – 50
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post #9 of 35 Old 04-30-2012, 01:17 PM
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Oh and yes brightness can effect the RBE from what I have read.

Whatever happens today...Tomorrow is coming!
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post #10 of 35 Old 04-30-2012, 08:23 PM
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Brightness does effect RBE i have to place an ND2 filter over the lense to help lessen the effect on my HD33. but to be honest 3d is amazing on the projector i just wish these projector had a way to screw on the nd filter lenses.
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post #11 of 35 Old 05-02-2012, 09:34 PM
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I ended up returning it. I had only put about 2 hours on it but could still see the rainbows. It is probably too bright for my room. My room is light-controlled and outside light is not a problem.

I will probably go with a projector that is not quite so bright. Not really interested in adding an ND filter. Will probably stay in the Mitsubishi family and try the HC4000.

Thanks,

Perry
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post #12 of 35 Old 05-10-2012, 08:00 PM
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I ended up returning mine too. I couldn't get the RBE to go away. Bought an Epson 3010... wow. Good luck with your H23.

Whatever happens today...Tomorrow is coming!
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post #13 of 35 Old 05-11-2012, 12:32 AM
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Quote:
Originally Posted by cspil View Post

I will probably go with a projector that is not quite so bright. Not really interested in adding an ND filter. Will probably stay in the Mitsubishi family and try the HC4000.

I read part of the manual, it appears the vertical frequency is only 60hz. What this means is that unlike the Optoma hd33, this projector has a 3x color wheel, whereas the hd33 has a 6x color wheel (because 3x in 120hz is 6x, and 3x in 60hz is 3x). So the Mits hc4000 should have a little less rainbows, but I wouldn't count on it being enough of a reduction to not bother you at all (maybe, although the reduced brightness will also lower RBE as you noted).


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post #14 of 35 Old 05-13-2012, 12:51 PM
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I just got the HD23 to demo it, and while it does have noticeable RBE, if you use an ND2/4 filter it greatly reduces it, and with the high lumen rating, the HD23 can afford a ND filter. One thing to keep in mind, the HD23 uses a DC3 DMD while the HD33 uses the older DC2 DMD. The difference between the two chips is not huge, but still noticeable. In comparison, the Epson 8350 does not compare to the HD23 in color, contrast, and black level. Not to mention the SDE on the epson is very noticeable at closer distances because the D7 panels have a %53 fill factor, while the HD23's DC3 chip almost completely eliminates the SDE with its %95 fill factor. There's always a trade off.
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post #15 of 35 Old 05-13-2012, 01:02 PM
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Also coderguy is correct, the HD33 uses a 6x RGBCYM color wheel in 60hz mode, and it goes down to 3x speed in 120hz mode. The HD23 uses a 3x RGBCYM color wheel.
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post #16 of 35 Old 05-13-2012, 02:26 PM
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Quote:
Originally Posted by waffleman206 View Post

I just picked up a new optoma HD23 off ebay for 850$+20$ shipping . It was kind of a risk because I barely found anything info on the projector online, one cool thing though is that it has a 5 year color guarantee, which means it will look as good as the day you bought it. 2500 lumens,5000:1 contrast ratio for under 900$ I think is pretty sweet since I wanted to spend at most 1000$ bucks. So what do you guys think about this projector would you off jumped on this.

This projector providing high bright as the projector lamp is 230 wattage.

Is it the bulb name of OSRAM P-VIP230/0.8 E20.8 ? This replacement bulb is not expensive. Good value to use.
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post #17 of 35 Old 05-13-2012, 10:44 PM
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Anyone able to find & buy the replacement bulb/lamp (BL-FP230J) through online?
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post #18 of 35 Old 05-16-2012, 01:41 PM
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So if I am understanding what people are saying, that in a totally dark light controlled room that this projector isn't good??

I have an hd66 and am looking to upgrade to the hd23 and I want to make sure I am making a good choice. Would it be advisable to have lighter colored walls/roof etc to help with the possible RBE that may happen with this projector???

any help is appreciated,
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post #19 of 35 Old 05-16-2012, 10:04 PM
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Any Optoma HD23 users mind to share some screenshots under ambient light?
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post #20 of 35 Old 05-16-2012, 10:09 PM
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Quote:
Originally Posted by WereWolf84 View Post

Any Optoma HD23 users mind to share some screenshots under ambient light?

That would be helpful to me too....I was really deadset on this projector for my new build....now I am questioning this model.

please help!!
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post #21 of 35 Old 05-25-2012, 12:19 PM
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I am also considering the Optoma HD 23 for my home theater Da Lite High Power screen -

140 inches wide * 87 inches height and distance from screen approx - 20 feet. Anyone any feedback on black levels, contrast and performance will be appreciated.

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post #22 of 35 Old 05-26-2012, 02:04 PM
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Quote:
Originally Posted by *UFO* View Post

Also coderguy is correct, the HD33 uses a 6x RGBCYM color wheel in 60hz mode, and it goes down to 3x speed in 120hz mode. The HD23 uses a 3x RGBCYM color wheel.

I'm in contact with the engineer that designed this wheel.

The HD33/HD3300 has a 6X RGB/RGB wheel the colors are just lighter than past RGB/RGB wheels to let more light through.

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post #23 of 35 Old 05-26-2012, 02:09 PM
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Quote:
Originally Posted by jgourlie View Post

So if I am understanding what people are saying, that in a totally dark light controlled room that this projector isn't good??

I have an hd66 and am looking to upgrade to the hd23 and I want to make sure I am making a good choice. Would it be advisable to have lighter colored walls/roof etc to help with the possible RBE that may happen with this projector???

any help is appreciated,

It has the same color wheel as your projector and the HD65 expect it to look similar unless there's a huge difference in lamp power. I'd expect the DC3 would make the HD23 look better.

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post #24 of 35 Old 05-26-2012, 06:18 PM
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Quote:
Originally Posted by guitarman View Post

It has the same color wheel as your projector and the HD65 expect it to look similar unless there's a huge difference in lamp power. I'd expect the DC3 would make the HD23 look better.

Same color wheel sounds good....how would i tell about the lamp power??

I looks like the hd66 uses 255watts and the hd23 uses 220watts...are those the numbers I need to look at???

I just hate to be a guinea pig and buy this projector and not like it....
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post #25 of 35 Old 05-26-2012, 07:32 PM
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according to the specifications, the HD66 uses 255watts in brightest mode while the HD23 uses 308W in the brightest mode
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post #26 of 35 Old 05-26-2012, 07:40 PM
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Quote:
Originally Posted by WereWolf84 View Post

according to the specifications, the HD66 uses 255watts in brightest mode while the HD23 uses 308W in the brightest mode

Wow that is a bit of a difference....I would never use it in brightest mode I don't think...specially since my room will be light controlled...I just want to have the option to have the lights on to watch a basketball or football game for example, rather then sitting in the dark as I do now with my hd66.

My big concern is that the hd23 will introduce rainbows RBE that I don't currently have with my hd66....all the other specs seem to match up pretty close except it's 1080p

All I need is someone to say there will be no RBE for me in a dark room and I am buying one!!
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post #27 of 35 Old 05-27-2012, 11:02 AM
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The HD23 uses a 230watt lamp like the HD20. The HD65 and HD66 use a 180watt lamp. 230watt isn't super high 275 300 are the brighest lamps. An ND filter should lower any rainbow worries till the lamp burns down after a few hundred hours.

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post #28 of 35 Old 05-27-2012, 12:55 PM
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Quote:
Originally Posted by guitarman View Post

The HD23 uses a 230watt lamp like the HD20. The HD65 and HD66 use a 180watt lamp. 230watt isn't super high 275 300 are the brighest lamps. An ND filter should lower any rainbow worries till the lamp burns down after a few hundred hours.

Thanks for the help...I think I am going to go for it and purchase the hd23
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post #29 of 35 Old 05-27-2012, 05:25 PM
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Quote:
Originally Posted by jgourlie View Post

Thanks for the help...I think I am going to go for it and purchase the hd23

Looking forward to your review & screenshots
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post #30 of 35 Old 07-13-2012, 05:30 PM
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This (short) review was recently posted online.

http://www.techradar.com/reviews/audio-visual/projectors/optoma-hd23-1088286/review

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