200mW Rayfoss Focus Under Water?

[IsaacT]

I am just wondering if you can focus the rayfoss 200mW red waterproof underwater or if doing that will let water in. I am afraid to try it so I figured I would see if yall knew first.
:thanks:
-Isaac

 

[Toke]

If the focus mechanism is just a Axizt lens you would want to give the tread some teflon tape and a bit of silicone grease, don't forget greasing the o-rings too.
(Teflon tape is nice, but once you start moving it backwards it looses most of its sealing capacity.)