Quote Originally Posted by Photo Engineer View Post
Color reversal films generally do not push or pull gracefully. Weird things can happen to the 3 layers causing some unpredictable results.

That said, IDK if the following is true today .....

PE
Your statement is not true anymore, at least not for the current Fuji films.
Provia 400X for example is excellent pushed to 800 and 1600, and even quite good at 3200.
And excellent pulled 1 stop.
It pushes better than the current 400 CN films.
The film is specifcally designed for push processing.
This film belongs to the best color films ever made.
Outstanding material.

Astia 100F and Provia 100F deliver also excellent results pulled 1 stop and pushed 1 stop.