I found this quote below today and I thought it was fun to read that director Stanley Kubrick could be just as geeky about new Pentax cameras as most of us. Most people know Kubrick for his films like Dr. Strangelove, 2001: A Space Odyssey, A Clockwork Orange, and The Shining (and many others), but he got his start as a photojournalist. Later, when filming Barry Lyndon, he famously used a Zeiss F0.7 lens to capture a scene lit by candlelight (more on that here and here). The man could be stopped in his tracks to appreciate any exciting new photo gear.
Keir Dullea on filming 2001: A Space Odyssey with Stanley Kubrick: "He had great curiosity. I remember once somebody came in with a Pentax camera. It was a new thing on the market, and [Kubrick] was a photography nut. So when the Pentax camera came on set, we didn’t work for a half an hour. He’d just look at this camera, asking questions about it and trying it out."From Decider Chicago "2001's Keir Dullea reflects on his star-making role" (photo via 2001 Internet Archive)