IZ3D and Fresnel Lenses.

Post by **slipstream** » Sun Dec 27, 2009 5:14 am

I realise that it is possible to hook up 2 of these monitors using 2 cards in non sli config, and then extend 2nd monitor to primary display. However, staring at a large bezel is the downside. 2 fresnel lenses would eliminate the bezel and provide a seamless image. Has anyone tested if 3D still works with polarised and fresnel lenses? 8)

If that is not possible, does nvidia support 2 screens in 3D, either with 1 card or 2?

Thanks in advance.

Post by **Okta** » Sun Dec 27, 2009 6:10 am

While i have not tested i believe a fresnel lens will muck up the polarization on the iz2d and not work. The nvidia solutions on the other hand should be fine.

Post by **yuriythebest** » Sun Dec 27, 2009 9:58 am

however it's possible to use th2g + iz3d

Post by **slipstream** » Sun Dec 27, 2009 11:47 am

Th2go and 3d? That would be awesome. However, welder has never explained how he achieved it.

Post by **The_Doctor** » Sun Dec 27, 2009 3:23 pm

The nvidia stuff does not work with more than one monitor in 3d.

Post by **Xerion** » Sun Dec 27, 2009 4:08 pm

Actually it does work with a th2go.

EDIT: That is, with CRT or DLP projectors with high enough refresh. Dunno about checkerboard solutions and such.

Post by **slipstream** » Mon Dec 28, 2009 3:47 am

Not the digital version as the max refresh rate is circa 59hz. Not sure about the analog though, anyone?

I am thinking that 2 X 120hz monitors plugged into both ports on vid card, expanded desktop mode. Would that not give s3d? If not I am very surprised that nvidia never thought about that. I could have 2 X PJ's side by side for instance.

Post by **Welder** » Mon Dec 28, 2009 5:11 pm

slipstream wrote:Th2go and 3d? That would be awesome. However, welder has never explained how he achieved it.

Simply plugged it in, and changed a setting in our driver config that we added specifically for this. I'm sure I could find it out for you again.. but once again, I can't officially support this. So, if you wanted to spend the money for 2 TH2GO and 3 monitors, you can. But I can't make any guarantee that it would indeed work well, or at all.

Post by **slipstream** » Tue Dec 29, 2009 12:32 am

Hi Welder, thanks for your input. I already have TH2GO, so its a start. If you could explain the process in detail for me I would happily take the risk. Thanks so far.

Post by **PalmerTech** » Fri Jan 01, 2010 2:30 am

I tried a fresnel, screws up polarization, sadly.

Post by **Synexious** » Tue Jun 28, 2011 1:18 pm

PalmerTech wrote:I tried a fresnel, screws up polarization, sadly.

What'd you try? Cybereality said it worked for him.

Post by **cybereality** » Tue Jun 28, 2011 6:20 pm

Fresnel works on the Zalman at least. Can't speak for IZ3D.

Post by **cadcoke5** » Tue Jun 28, 2011 9:25 pm

A recent discussion on Head Mounted Displays talked about this issue, with the report that Fresnel's didn't mess up polarization.

Re: Cyber's Crazy DIY HMD Project
http://www.mtbs3d.com/phpBB/viewtopic.p ... 410#p60410" onclick="window.open(this.href);return false;

Joe Dunfee

IZ3D and Fresnel Lenses.

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