Way to see opaque layer but not see transparent layer in camera?

they are kind of tied together, but I want it to transparent layer not to be seen on specific camera.

I don’t want to create another layer, cause it will make project complicated. is there any way to do so?

I don’t believe there’s a way to do this, camera always renders both sub-layers of each layer it renders.

hm… how about not rendering some material in specific camera? Is that possible without adding layer?