I agree. Thats whats wrong with the Ruby. Its just not bright enough when using the iris auto mode. The upper end suffers but then again if it had more brightness I wounder of the brightness compression would be worse.
The dynamic iris is like a band aid. It indeed helps the low end at the price of damage to the upper end. I wonder with more engineering coupled with further gamma tweaking if its something that can be approved upon or maybe the iris will be dropped over time and fade away in projection history.
I remember the trying the dynamic iris and dynamic gamma on the Panasonic 3 chip. It did not have the crushed white issue the Ruby has but its possible the iris was not being used as aggressive as it is in the Ruby. Man that Panny is one bright machine. Plenty of light to spare