Optoma H27 review and screenshots - AVS Forum
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post #1 of 760 Old 06-24-2005, 12:41 PM - Thread Starter
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The H27 is an entry level DLP projector it has a lower price than the current H31 but has many of the same features. MSRP $1099

Dark Chip 2 854X480 chip, with four times speed RGB/RGB color wheel. Many of the same great aspect features of the 31 like Edge Mask, Image Shift, Letterbox, 1080i 1 & 2, plus 16.9 4.3 and 1.1.

Differences are the fan sound is very low. It has the AI feature which uses the bulb to create a better contrast by sensing dark and light video and having the bulb brightness react accordingly. There's a pretty long throw, I had the projector 15' back from my 92" wide screen with the zoom at max. With no zoom I could probably back up another 5'.

Colors are well saturated and blacks are very black. One thing that's missing is advance RGB adjustments for RGB-contrast and RGB-brightness. There is a color adjustment for just RGB overall. I was able to use these to better the color with colorfacts. I didn't have to change much with them, just a couple of clicks on the red and blue. It almost seems that it's better than the H31 but it's not. The H27 is very nice but I think the H31 edges it out a little mainly becuase the colors are easily tuned with the H31 plus they're some what nicer.

On to the stat and screenshots.
http://www.cigarbest.com/sales/h27contrast.jpg Reads 2230.1
http://www.cigarbest.com/sales/h27stockcie.jpg
Sri about the other stats I lost the data on the image saves.
Stock RGB had red and blue high by about 500k and green was low by about 200k. Gamma was 2.57.
Light meter read 11.50ft-candles at the screen. With a 92"wide screen that's 380lumens tuned down to D65k. Which is not bad and way higher than PC's reading.


Go to the movies film clips enjoy
http://www.cigarbest.com/sales/h27fifthelement1.jpg
http://www.cigarbest.com/sales/h27fifthelement2.jpg
http://www.cigarbest.com/sales/h27fifthelement3.jpg
http://www.cigarbest.com/sales/h27fifthelement4.jpg
http://www.cigarbest.com/sales/h27fifthelement5.jpg
http://www.cigarbest.com/sales/h27fifthelement6.jpg
http://www.cigarbest.com/sales/h27fifthelement7.jpg
http://www.cigarbest.com/sales/h27fifthelement8.jpg
http://www.cigarbest.com/sales/h27fifthelement9.jpg

These screenshots were done with a Denon 1600 in progressive. They look smooth ok but I tried an up scaling player thru DVI this morning and the difference is amazing. I recommed you use an upscaling player with this projector.

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post #2 of 760 Old 06-24-2005, 12:46 PM
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Is this the start of another epic thread?
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post #3 of 760 Old 06-24-2005, 12:52 PM - Thread Starter
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Epic, only if people buy the puppy.

I should add there's an extra connection over the H31. The 27 has an VGA input which is what I used yesterday.

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post #4 of 760 Old 06-24-2005, 08:01 PM
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Quote:
Originally Posted by penn7 View Post

Is this the start of another epic thread?

This one looks to come up short in critical areas. Maybe the MovieTime... AVSers know what Optoma can do. I predict this will be a WallyWorld special by Christmas.
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post #5 of 760 Old 06-24-2005, 11:38 PM - Thread Starter
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They say the street pricing will run rampet. Aggressive wide open dealers should make this projector very appealing. You still get the warranty from internet dealers that's the key.

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post #6 of 760 Old 06-25-2005, 08:57 AM
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Quote:
Originally Posted by guitarman View Post

They say the street pricing will run rampet. Aggressive wide open dealers should make this projector very appealing. You still get the warranty from internet dealers that's the key.


Guitarman,

Im curious but what screen/gain do you use for testing these projectors??

Rich L

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post #7 of 760 Old 06-25-2005, 12:51 PM - Thread Starter
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I need to use a pull down screen so I use a 106" diag Dalite High Power. I'm getting 2.0gain with the PJ ceiling mounted.

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post #8 of 760 Old 06-25-2005, 07:30 PM
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Tom, Can you comment on the Projector Central comparison test which the h31 came in first but the h27 came in last?

Calibrated it only has 185 lumens compared to 325 on the h31.

Here is what they had to say about the H27

"The Optoma H27 trailed the entire pack with an image that was much dimmer and less vibrant. Though rated at 2500:1 contrast, we did not see evidence of it on our test unit. Due to its lower contrast and low lumen output, the H27 should be reserved as an option for those on the most limited of budgets. For best results, screen size should be limited to no more than 80" diagonal."

http://www.projectorcentral.com/480p_projectors.htm
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post #9 of 760 Old 06-25-2005, 09:27 PM - Thread Starter
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I know what they said. That's why we couldn't wait to check out the real lumens. My light meter is extremely close to spec, you can bank on 385lumens for sure. My eye also tells me the H27 is pretty bright for Home theater. Ofcourse using a high power screen helps. Pretty interesting projector. It has high points that stand out at times. Movies take on an incredible contrasty look. Rainbows seem to pop out once in a while though. I'll have to ask about that. Maybe it has something to do with the new bulb and AI.

The main key about this PJ it it's going to be cheap street wise. We couldn't get images like this a year ago for this low of a dollar.The screen shots give you a little of an idea of what I'm talking about. Looks pretty nice to me.

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post #10 of 760 Old 06-26-2005, 12:51 AM
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Hi Tom, thanks again for bringing our attention to another excellent looking Optoma budget gem. You really should be on Optoma's marketing payroll Unfortunately for me however, you've just added a new dilemma to something I thought I was finally settled on! After much following and reading up, I was dead cert on a H31 for myself this next week. But as it'd just be a 6-12 month stop gap until Optoma and Infocus inevitably drop the prices on their native 720p lines to compete with Benq/Toshiba, you've now got me intruiged by the H27. Particularly as it can be had for a good £300 GBP (over $500) less than H30a over here in the UK. Anyhoo, just wondered if you'd be kind enough to offer your 2-cents into a few factors re. the H27's performance in direct comparison to the some of the H31's now proven strengths .

First and foremost for me would be scaling. It's been mentioned secondhand that the H27 features cheaper, and thus assumed inferior, scaling and deinterlacing solutions. Deinterlacing wouldn't be an issue as I'd be feeding it a DCDi'd DVI or HDMI signal. But after reading peoples positive comments re. the H31's ability to shine when fed 720p and 1080i via. both upscaling and Hi-Def, just wondered if you'd had chance to look at that aspect on the H27? I see you've discovered that feeding it DVI has yielded a substantial improvement over the component DVD hookup, but just wondered if you only used 480p there? Also, you mention colours are somewhat nicer on the H31 (yet also initially noted the superior reds of the H27...would you say that still stands after cal?), but for me, stronger colours can often translate into a less accurate and 'cartoony' apprearance. Many people have pointed out that all the other Optoma 'H' lines feature noticably more accurate colours in comparison to the H30a, and accuracy over vividness would be far more desirable to me.

Thanks alot for your input Tom, it's appreciated.

Damian.
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post #11 of 760 Old 06-26-2005, 09:04 AM
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Quote:
Originally Posted by guitarman View Post

The main key about this PJ it it's going to be cheap street wise.

Much cheaper? It hasn't happened yet, the H27 is going for about the same $$ as the H31 right now. But I wonder if Optoma is phasing out the H31. A major distributor in Seattle is out of stock on the H31 with no ETA for more. It doesn't make sense to me for Optoma to have two 854x480 PJs with only a $200 MSRP price difference.

Maybe a new H37 is on its way?
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post #12 of 760 Old 06-26-2005, 10:24 AM
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With the success of the 31, I highly doubt they'd be phasing it out. It's just out of stock because of how popular it is. I think they made the 27 BECAUSE the H31 is so good and they wanted to give even more options of it. One that's a bit cheaper (and yeah, it's close, but the 27 SHOULD Be available for about $150-$200 cheaper...look around) and it has a LONG through for possible shelf mounting: a certain interest given it's a budget machine and there'd be some folks that don't want to drill holes in their ceiling and mount it. Also it has an adaptable lens that makes it a SHORT throw PJ too, a good solution for coffe table mounting.

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post #13 of 760 Old 06-26-2005, 10:30 AM
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Looks promising. Already ordered an H31 but if I ever needed one for my room, and if the price came down, i'd pick this bad boy up.
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post #14 of 760 Old 06-26-2005, 10:43 AM
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Quote:
Originally Posted by guitarman View Post

These screenshots were done with a Denon 1600 in progressive. They look smooth ok but I tried an up scaling player thru DVI this morning and the difference is amazing. I recommed you use an upscaling player with this projector.

Can't wait to see screenshots of these. Of the image looks as good as you claim it to be, this will be my next projector for a 60-70 inch screen in my bedroom. Hopefully by seasonal of this year i'll have this puppy in my room. Till then i'll keep reading this thread and see what developes
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post #15 of 760 Old 07-04-2005, 09:51 AM
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Is this projector out yet? I've been hoping for more comments on this pj, but this thread died out pretty quick. Does anyone know if it has any of the htpc issues that have plagued the H31?

How well does the AI brightness thingy feature work? Is it defeatable? If so, is it recommended to be used or not used? I may be interested in this one as an alternative to the H31 if htpc work reliably with it. It should be cheaper, if the pq is almost the same, then it might be worth going with this instead!

Any feedback is appreciated!


Don
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post #16 of 760 Old 07-04-2005, 04:03 PM
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I just saw at Projectorcentral.com that the H27 has a HUGE image offset, 57%.
That rules it out for anyone with a low ceiling like me.
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post #17 of 760 Old 07-19-2005, 06:28 AM
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SSOOO.......

has anyone took the bait on this little bugger yet?

quick ? Tom,

were you seeing any lightspill out of any of the vents?

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post #18 of 760 Old 07-19-2005, 08:15 AM - Thread Starter
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Similar light spill to the Optoma H30 and H31, out the front vent. This is a long throw/offset projector. It's pretty bright and has noticably good contrast. You can see by the CIE chart the color is very good, especially red.

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post #19 of 760 Old 07-19-2005, 09:10 AM
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thanks Tom,

i probably should have figured that....

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post #20 of 760 Old 08-04-2005, 01:41 PM
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REVIEW up at

http://www.projectorreviews.com/review.asp?reid=46

-thanks Art

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post #21 of 760 Old 08-06-2005, 01:21 PM
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Quote:
Originally Posted by Vashon Donique View Post

REVIEW up at

http://www.projectorreviews.com/review.asp?reid=46

-thanks Art

Thanks for the plug. Guitarman did a nice summary. One place I would disagree with him. I found the that the enhanced contrast (thanks to the AI), does improve the overvall viewing on many scenes more than enough to offset the slight advantage the H31 has because of the better color controls.

This is especially true for the 95% of buyers who really want to just plug and play, and will not have AVIA pro or other calibration solutions to take advantage of the better H31 controls. I found that the regular Avia disk did a good job in correcting the slight out of box color inaccuracies.

In fact, Optoma should really be embarrassed. They really should pay more attention to their default settings in this regard. Most of their models are off sufficiently to require some at least basic calibration. This, to a much greater extent than say, InFocus, or Panasonic, or even.... dare I say - BenQ.

Users without at least Avia software, can probably adjust by eye and improve the inaccuracies but the AVIA disk or something similar is recommended!

Still it looks like the H27 (or maybe the H31 depending on preference) is the best $1000 ish projector out there - for now!

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post #22 of 760 Old 08-06-2005, 02:50 PM - Thread Starter
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The H27 has a 11% contrast ratio increase over the H31. The CIE color chart reads out a little differently also. The color red is almost spot on and with a color chart you'll notice red is much darker than the H31.

http://www.cigarbest.com/sales/h31cie.jpg
Green is more spot on with the H31.

http://www.cigarbest.com/sales/h27stockcie.jpg
Green is less saturated with the H27.

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post #23 of 760 Old 08-06-2005, 03:31 PM
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Thanks for pointing out the review Vashon. It made the last decision for me. I just ordered a H27.

I think that it is truly amazing that you can get a product like this - a more than reasonable PQ and a close to silent operation - for this kind of money... Not to say that the H27 or for that matter the H31 is the only "best buy" out there. But nevertheless they point to the future - whatever that means

Anyway I have a couple of questions. This is my first projector-buy -so be gentle pleaese

1. I want to get some calibration software for it. Which one to go for? I've seen Avia mentioned before - is that the common solution? Others?

2. I'm planning to build a DIY screen and paint it with 'goo'. There is a form that you can fill out at goo-systems. It doesn't have H27 as an option to choose from in the projector-table -but when I choose H30 and H31 it tells me to use "Digital Grey" which has a 1.2 gain -would that be a good solution for the H27? Next step is 1.4 gain... Are there any other solutions that will match the 'goo' at the price?? -seems like several people have experienced goo(d) results.. I'm planning to use the PJ mostly a dim light. Sometimes at more daylight situation. And sometimes a completely dark room. But mostly subdued light.


I'm interested in doing some kind of manual masking solution for 2.35 material -but I guess I'll drop by the DIY-section for that one...

Regards
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post #24 of 760 Old 08-06-2005, 07:40 PM - Thread Starter
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Screen sounds good and buy Avia. Let us know how it goes once you setup the projector.

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post #25 of 760 Old 08-06-2005, 08:50 PM
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man the short throw lens is 999$ uhhhh thats what pj costs -freaking crazy???jeff
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post #26 of 760 Old 08-07-2005, 04:34 AM
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Quote:
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Screen sounds good and buy Avia. Let us know how it goes once you setup the projector.

Ok thanks Tom, I will..

999$ for the lens, ouch..
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post #27 of 760 Old 08-07-2005, 08:34 AM
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It figures. I bought the Optoma H31 two weeks ago, and now I read this review.

So, is it worth it to return the H31 and get the H27? My biggest gripe at the moment is the fact I have to have the keystone set to 10, since my ceiling is very low where the projector has to mount due to it's focal length. If I could mount it 11' from the screen, instead of 14', I'd be in business, as my ceiling rises nearly a foot at that point. Ah well.

If it had two DVI (or HDMI) inputs I'd be sold, as all my source material at the moment is DVI-based. I wonder if this projector has the same HTPC problems that plagued early versions of the H31 (and still do, in some cases).

Can you hook it up to an ATI or nVidia card and enable DVI-D out and see if it's recognized?

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post #28 of 760 Old 08-07-2005, 09:27 AM
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If I where you I would be perfectly happy with the H31. As I understand, it can be calibrated more in depth than the H27 and has a more expensive scaling and deinterlacing solution implementet - and therefore I guess better? I don't know if the H27's "AI" feauture on the other hand makes some kind of advantage.. I would probably have bought a H31 if it hadn't been for a good deal I got on the H27. What I do like about the H27 is its slightly lower noise-level -it's not much, but it's enough to appreciate -and then off course there is the air-purifier!

I don't get the review on Projector Central, their lumen-meassurements seems way off compared to Toms?? Too much grass for them maybe, or what could the reason be?? I didn't see any sign of the H27 being dull when I compared the H27 & H31 side by side...

Here is what 'Velocity' says in another thread on the H27:
"I can confirm that the DVI works with my HTPC flawlessly. It is a DVI-D input and I am running it with an ATI Radeon card. I am still unable to get a 1:1 pixel mapping (854x480) but have no problems getting it to recognised the PJ as a digital source. My current resolution is 1280x720."


I will try my Matrox Parhelia card on the H27 when it arrives and report back...
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post #29 of 760 Old 08-07-2005, 10:11 PM
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Quote:
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999$ for the lens, ouch..

Someone should confirm that price with Optoma.

~ Kiran
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post #30 of 760 Old 08-07-2005, 10:41 PM
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$999 for the lens - that does sound crazy. I'll see if I can confirm that from Optoma tomorrow.

As to the better deinterlacing and scaling, the H31 uses Pixelworks. Optoma doesn't say who's circuitry is in the H27. Now, tie that with the question of AI - and here's something to think about - BenQ had a similar situation - they used Pixelworks in the old BenQ PE8700+ (which I have), and went to "we ain't saying" in the PE7700 (turns out its almost certainly Faroudja), and also added AI.

The BenQ 7700 does outperform the older PE8700+.... and the AI certainly enhances dark scenes, etc. compared to the 8700+.

Optoma often trys to keep things a bit murky - especially since the H27 was originally supposed to replace the H31, according to them, but because of the H31's success they decided to keep it in the lineup. They have a different, but equally challenging marketing problem with the H78dc3 and H79.

I found the de-interlacing on the H27 to be excellent. and the scaling was also no problem at all, on 1080i signals.

So enjoy your new H27. -a

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