Originally Posted by John Shriver
Velvia 50 as a substitute? No way. That's a special-effects film in my book. I liked E100GX (discontinued), I presume E100G with an 81A filter is pretty similar.
Actually, the closest to E100GX in my opinion is Elite Chrome 100. It is in between E100G and E100GX in color balance, with a lean toward the warmer side.