If you are looking for custom design for projection lenses, get online and look for a manufacturer that is not based in the U.S. or Europe. That is because manufacturers in Asia, for instance, are usually far more affordable than any company in the United States or Europe, yet still manage to manufacture the highest quality projection lenses.
Chinese manufacturers are the most affordable -- In most cases, Chinese manufacturers are the most affordable when it comes to custom design for things like projection lenses. They provide high-tech, top quality lenses manufactured to international specifications, and in the clean labs just like they do in the west.
Get a free projection lens design consultation -- If you need to have projection lenses custom designed, you can get a free design consultation from most Chinese companies. All you have to do is to send your specific needs via email, and wait for a response.
In most cases, the response will be almost immediate and, if the consultation and price is right, you can order the projection lenses you need online almost immediately.
Advanced tools -- You can also order from a Chinese company secure in the knowledge that they use advanced tools, and that lenses are manufactured in clean rooms. In fact, all lenses are manufactured just as they would be in the west and to international specifications, just at a far more affordable price.
Shipping of lenses -- The shipping of your Projection lenses will also be fast, with most arriving at your place of work or home almost as fast as they would from a western company. Just be sure to check shipping prices before you order, so that you do not order from a company that stings you on shipping.