(a) As used in this section, the following words shall have the following meanings unless the context clearly requires otherwise:

''Electronically surveils'' or ''electronically surveilled'', to view, obtain or record a person's visual image by the use or aid of a camera, cellular or other wireless communication device, computer, television or other electronic device.

''Partially nude'', the exposure of the human genitals, buttocks, pubic area or female breast below a point immediately above the top of the areola.

''Sexual or other intimate parts'', human genitals, buttocks, pubic area or female breast below a point immediately above the tip of the areola, whether naked or covered by clothing or undergarments.

(b) Whoever willfully photographs, videotapes or electronically surveils another person who is nude or partially nude, with the intent to secretly conduct or hide such activity, when the other person in such place and circumstance would have a reasonable expectation of privacy in not being so photographed, videotaped or electronically surveilled, and without that person's knowledge and consent, shall be punished by imprisonment in the house of correction for not more than 21/2 years or by a fine of not more than $5,000, or by both such fine and imprisonment.

Whoever willfully photographs, videotapes or electronically surveils, with the intent to secretly conduct or hide such activity, the sexual or other intimate parts of a person under or around the person's clothing to view or attempt to view the person's sexual or other intimate parts when a reasonable person would believe that the person's sexual or other intimate parts would not be visible to the public and without the person's knowledge and consent, shall be punished by imprisonment in the house of correction for not more than 21/2 years or by a fine of not more than $5,000, or by both fine and imprisonment.

Whoever willfully photographs, videotapes or electronically surveils, with the intent to secretly conduct or hide such activity, the sexual or other intimate parts of a child under the age of 18 under or around the child's clothing to view or attempt to view the child's sexual or other intimate parts when a reasonable person would believe that the person's sexual or other intimate parts would not be visible to the public shall be punished by imprisonment in the house of correction for not more than 21/2 years, by imprisonment in the state prison for not more than 5 years, or by a fine of not more than $10,000, or by both such fine and imprisonment.

(c) Whoever willfully disseminates the visual image of another person, with knowledge that such visual image was unlawfully obtained in violation of the first and second paragraphs of subsection (b) and without consent of the person so depicted, shall be punished by imprisonment in the house of correction for not more than 21/2 years or in the state prison for not more than 5 years or by a fine of not more than $10,000, or by both such fine and imprisonment.

Whoever willfully disseminates the visual image of the sexual or other intimate parts of a child under the age of 18, with knowledge that such visual image was unlawfully obtained in violation of the third paragraph of subsection (b) shall be punished by imprisonment in the house of correction for not more than 21/2 years or in the state prison for not more than 10 years or by a fine of not more than $10,000, or by both such fine and imprisonment.