this may sounds like a fairly stupid question, but having been a photoshop user for several years, I'm always looking for a way to change a node opacity.
For example, let's say I'm giving a blueish tint in my Lift on a secondary node and then, I want to tone it down a bit. I realize that for this example, it'd be very simple to just do it with the lift, but in a situation where the secondary node is more complexe, some way to tone it down using a blend/opacity/mix slider would be nice. Like a layer opacity in photoshop. is there such thing?