Optical technology didn't stand still even in the ancient world - Archimedes is reputed to have lit the sails of roman ships on fire with a lens. While the story is considered apocraphyl, it is old enough to show that the properties of lenses were roughly understood from ancient times.
The only reference to Taş Tutak I can google is this article. Etc.
This text really triggers my AI "spidey senses" but naturally I can't say with certainty. It makes me think OpenAI might have right when they suppressed GPT-2 and wrong later. It presents the problem that refuting plausible bs takes vastly more time than creating now.