I found a Kodak Slide Tray with ~100 slides. Need help in tracking down whom it belongs to. source

Morning Scenes| Leica MP + Elmarit 28 | Portra 400 source

One of these is a Fujifilm recipe for Portra 400, and one is actual Portra 400 (pushed one stop) source

Sayumi in Tokyo — Leica MP, 50 APO Summicron & Portra 800. source