Found this
** Additional 3D glasses are sold separately."
Sounds good! Sign me up! Just one problem. There was no information included with the monitor, that I could find, about how to buy more glasses. Searching for the glasses model number (FPG-2000) that was printed on the glasses kit box, I was unable find any major retailers listing these glasses for sale. I contacted LG Customer Services for help and their recommendation to me (and others) was to purchase the LG AG-F200 which are the glasses sold for the LG Cinema 3D TVs which also use passive technology. These glasses are readily available at a reasonable cost and as it turns out, are optically superior to the monitor glasses (i.e. no distortion).
Too bad they are not fully compatible with the monitor.
The history of 3D polarized glasses is a very long one. This is not new technology folks. To work, the type of polarization used (linear or circular) and the orientation of the polarization (horizontal, vertical, 45 degrees, etc.) of the glasses must match the standard used by the image source. As you might guess, there have been many different standards over the years, and it turns out, the standard that LG uses for their 3D LCD TVs just happens to be different than the one they use for their 3D LCD monitors.
In practice using the LG 3D TV glasses with the LG 3D monitor works... sort of. Many images with high contrast suffer from mild to severe purple ghosting.
At the time this was written, there are no OEM LG monitor glasses available for sale from any major retailer. So what are the current options for owners of the D2342?
- Use the glasses that came with the monitor - just don't lose them! - and put up with the poor optical quality.
- Buy and use the LG's TV version of the glasses, which are optically distortion-free but suffer from increased ghosting.
- Hack the TV version of the glasses to make them compatible with the monitor. The resulting glasses will be pretty ugly and fragile since the rotated lens material will need to be cut and the resulting lens will no longer fill the eyeglass frame. (I've already tried this and was not happy with the results.)
- Acquire a pair of polarized glasses designed for the Zalman 3D passive monitors. It has been reported (but not confirmed by the author) that these glasses are compatible with the LG D2342. I've seen them for sale for $20-$35 from various on-line vendors.
The last option is probably the most reasonable (assuming it works). If I get a pair I'll report about it here. In the meantime it's hard to understand if the problem with the supplied glasses is because of a manufacturing error, or due to penny pinching to meet a desired price point for the monitor package. But what possible excuse is there for not making it easy to buy additional pairs of glasses?