I tried to blow a spec of dust off the mirror of a brand new Nikon F4 once - straight out of the box, and succeeded in splothering all over the mirror and screen. It dried out and left an awful mess.I really should have known better :eyesup:
I took it to a repair guy I know who cleaned it up for me and did an ace job, leaving no trace at all. He didn't charge me for it, but the ****** taking I had to endure from him for ages afterwards was more than enough punishment!
