**RDP 50 (Fujichrome 50D)** is the early Fuji daylight chrome that later inspired Astia’s smooth tonality. In expired form it delivers delicate pastels and lower contrast, and really shines with careful metering.
**FilmGuru Notes**
• **Rating today:** ISO 25–40 depending on age; bracket.
• **Expect:** warm/magenta drift; softer shadow separation.
• **Process:** E‑6; for bold color shifts, **C‑41 cross**.
• **Tip:** Overexpose 2/3–1 stop to thicken density; scan with custom WB to tame casts.