I don't know much about canister lights but want to get a really nice one for cave diving in the future. What makes one light better than the other? What type of bulb/LED puts out the best light? I'm looking for a nice light that I can use to light the background up better as my camera doesn't seem to do well with just the flash. Any information about canister lights be they pros/cons would be greatly appreciated. Looking for a long running light that could possibly change the light brightness during the dive.
What type of batteries are typically used (I assume lithium ion)? If I buy a used light is it likely the battery won't last as long as a newer light?
What type of batteries are typically used (I assume lithium ion)? If I buy a used light is it likely the battery won't last as long as a newer light?