Material includes undeveloped photographs, molds, printing plates, and other latent representational objects. A person has constructive knowledge if a reasonable inspection or observation under the circumstances would have disclosed the nature of the subject matter and if a failure to inspect or observe is either for the purpose of avoiding the disclosure or is criminally negligent.
Serious value includes only serious literary, artistic, political or scientific value for minors.
Expert testimony not required. In prosecutions under this part, where circumstances of production, presentation, sale, dissemination, distribution, exhibition, or publicity indicate that the matter is being commercially exploited by the defendant for the sake of its prurient appeal, this evidence is probative with respect to the nature of the matter and can justify the conclusion that, in the context in which it is used, the matter has no serious literary, artistic, political, or scientific value. Neither the prosecution nor the defense shall be required to introduce expert witness testimony as to whether the material or performance is or is not harmful to adults or minors or is or is not pornographic, or as to any element of the definition of pornographic, including contemporary community standards. Distributing pornographic material. Inducing acceptance of pornographic material.