I don't know if this is relevant that I learnt from reading stuff by luthiers, is that those pinholes might be 'fisheyes' which, they say, is caused by silicone spots on the wood prior to spraying the lacquer. If you use silicone polish or such normally then you need to be fastidious about it not contaminating the wood prior to spraying. You can get an additive that prevents fish-eyes - it's actually pure silicone apparently. I copied this response by a woodworker:
Note: It is possible to carry silicone on your hands from home onto your work; it is in a lot of products and its source may not be immediately obvious.