You can feign ignorance. It doesn't change the fact that the lens has a burn hole on it now.
Deny, deny, deny.
It's like denying you murdered somebody when you sent the police the murder weapon with your fingerprints in the victim's blood. Unless you're OJ Simpson, you're going to jail.
lens? what lens?
Ah, yes, the Shaggy defense [1]. It's is rarely is successful in practice though.