Thanks for your help Cliff - much appreciated. It is quite small - in fact smaller than the smallest Better Beamer which is 40.6mm high. I will have to modify it so that it fits.
Nature photographer - Photographe de la nature
|big gourd by rok urankar|
|crashing waves-1 by stickpointed|
from The Wild Rugged Coast
|'Red 18' by Private Custard|