I have a "fiber corrected" Goldstar 5W RGB module. . I'm impressed. I'm impressed with the three tiny deep burns on my drywall for 12-14 feet away from a stationary spot, one from red, one from green, one from blue . I bought mine from their US dealer.. He can probably get you a red only module. He is also stocking the diodes in the US for repairs, but I have no idea how they will work with older external optics.
Steve
Qui habet Christos, habet Vitam!
I should have rented the space under my name for advertising.
When I still could have...