Sealed or unsealed

[PhreeZone 20]

I was talking to a video flyer at the DZ about getting a .65 lens for video and he mentioned if i get one to make sure its unsealed or if its sealed, unseal it. My question is how needed is unsealed lens and if I get a sealed on accident, how easy is it to unseal one?
Drop the tube...DROP the tube...

[diverds 0]

Whats the difference between the two?
-Dave
"Gas...Undercarriage...Mixture...Prop...Beer"

[WmLauterbach 0]

most of the time a good glass lens can be quickly unsealed with a really good whack in the front from a rock...
of course they arent really any good after unsealing them that way........
its sounds like your friend is a little overly concerned about condensation...
a good lens shouldnt give you that problem except in NON'skydiver friendly weather....
just my opinion, I could be wrong...

[prost 0]

a good lens shouldnt give you that problem except in NON'skydiver friendly weather....>
Keep in mind that you jump in Arizona where humidity is very low. I jump on the Gulf Coast and if you have a sealed lense you are going to have problems. I imagine in Ohio it isn't as bad as on the coast but I would still go with the unsealed version.
William

[freeflir29 0]

Uuuummm...OK...so how do you tell? My home DZ is in Georgia. Land of humidity!!! In the early spring Your clothes will often get pretty wet around 3000-4000 feet. Luckily...the end of the skydive. Of course...I remember trying to look up at my canopy only to see a blur of colors because my goggles were so fogged up. I have a .43 Kenko. Should it say on the side?
"Here I come to save the BOOBIES!"

[prost 0]

Can you take your lens apart?

[freeflir29 0]

Quote

Can you take your lens apart?

Hmmm...seems I can. It unscrews about halfway back. I guess it's unsealed then.
"Here I come to save the BOOBIES!"