So determined was I that the small amount of dark pre shading was missed by the camera, but the 4BO was not!
And I will say that this specific formula is my best ever.............
Wonderfully chalky matt, has all sorts of light refraction depending on the angle its looked at from, and the turret texture is spot on.
I still have the lightening/modulation to do but Ive blown the hose from the compressor to the airbrush

Not sure how to sort that out. Blew clean out of the crimp on the screw fitting on the brush end.
Im sure I will, but the modulation now has to wait.,................