Just received my XW 5mm completing the set!!
on the note of the 1.25" to 2" adapters, B&H do one style as well - seems to be cheapest around.
Seems like Olivon may be their own brand but looks identical to the Antares
http://www.bhphotovideo.com/c/produc...wist_lock.html
I'm tempted to order 6 units for the pentax XW's.
cheers
Jeelan