How do I test an open-box discount lens?
How do I test an open-box discount lens? Hi all, after saving up and many decisions I finally bought a Tamron 17-70mm for my Sony A6000, and with black friday deals and an open box discount I managed to get it for around 540 euros in supposedly new condition. I've attached it to my camera, focusing and stabilisation seem fine but the front element was a little dusty on arrival... Even ...