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You would potentially be able to address this matter in the courts civilly and/or criminally. In civil court you could sue for the invasion of your privacy. This also runs afoul of New York's Unlawful Surveillance Law, which is a felony in this state. If he shows the video to others, he would face additional criminal penalties.
You wouldn't necessarily know if others viewed the tape. And it doesn't matter whether others viewed it or not when it comes to suing or having him prosecuted. It's sufficient that he videotaped you for his own sexual gratification at a time and place when you had an expectation of privacy.
Whether it's worth pursuing would be up to you, as you would have to be willing to testify against him if necessary, or the charges wouldn't stick. But if you brought criminal charges, the state could potentially obtain a warrant and see what other tapes he may have.