BLF-member CRX has made a database with a lot of leds and other stuff, and he is keeping it up-to-date (wow, the XHP50/70 tests that I posted last week are already added!), the most widely used emitters are in there:
BLF-member CRX has made a database with a lot of leds and other stuff, and he is keeping it up-to-date (wow, the XHP50/70 tests that I posted last week are already added!), the most widely used emitters are in there: