I have been attempting to tint the canopy of an S-3 viking using model master black window in a spray can,unsucessfully. Cannot get an even coat. I tried decanting the can and using my airbrush but with the same results. Does anyone out there have any suggestions? Iam at a loss. Thanks.

Try Tamiya Smoke, It sticks like... paint...
Several thin coats mind, & if you don't like it, windolene shifts it.