I posted some of these links in the "For Sale" section where more than likely not many will become aware of the fantastic properties of this type of filtered glass used for safety glasses... I believe these links will be more useful if they were also posted in here as well as in the Technical section as well... so if anyone is interested in better viewing capabilities for both cutting and welding, you might want to check out the information regarding these specialized optics... Here are some links to where one can both purchase the optics as well as where one can read up on the Technical & Safety aspects of these optics prior to making an informed decision as to whether or not one may want to try them out based on what they learn about the optics:

This is where you need to order those Superflux and anyone else interested:

http://www.sundanceglass.com/didymiumsr.htm

And if you really want to know more about specialty optical glass, then this is the link for you:

http://www.us.schott.com/advanced_optics/english/our_products/filters/color.html

http://www.us.schott.com/advanced_optics/english/filter/index.html

Here's another spot to order with some decent prices as well:

http://www.phillips-safety.com/Glass-Working-Plastic-Frame/Index.htm

You may also find this interesting as well:

http://www.starnacells.com/d_ref/d_wl/DL.html

http://www.optiglass.com/ukhome/d_ref/didymium.html

Part two:

This is an informative article as well:

http://www.ecu.edu/glassblowing/rosedidymium.html

http://www.starna.com/ukhome/d_ref/didglass.html

Here's some history and facts on this supposed rare earth element called Didymium:

http://encyclopedia.jrank.org/DEM_DIO/DIDYMIUM_from_the_Gr_Segos_twin.html

This is how much a few models are going for @ Amazon.com:

http://www.amazon.com/DIDYMIUM-WORKING-SPECTACLES-ECONOMY-PERMANENT/dp/B000HJMAU2

Here's another site where one can purchase them at a reasonable price as well:

http://www.glassmart.com/didymium.asp

And finally, here's why they're soooo good to wear under the hood as well as using to work with soft glass as well:

http://www.youtube.com/watch?v=gtZT5kCc0CQ

That about it for now, so enjoy the reading! ;-)

Respectfully,
Henry