"Great comments. But seriously, can they be put into a leko and produce the same light? What will we do when the do-gooders ban our HPL lamps?"

"Most S4s are about 20" long and weigh in at 14lbs. 5 and 10 degree ones are quite a bit larger. You can find all the specs here . Look at the last page of each datasheet for exact figures."

"On the website under products choose lighting fixtures then choose source four then choose downloads. On the download page is a list of all available literature, there is a dat sheet for each lens configuration. On page 4 of each data sheet is the…"

"I know all of that info is in the manual that comes with them, and I'm pretty sure that the manual is on the ETC site. Kind of a hassle to download all the manuals to get the info, but that is 1 way to do it."