By now id had enough and took it to a local camera store for professional treatment the gu

I decided to have one last attempt and maybe this is my fault i was getting weary by this point as in between each attempt i was needing to put a lens back on the camera take test shot and then inspect it but i suspect i must somehow have allowed the brush to become contaminated may have caught the back of my hand and next thing i have big ugly smears all across my sensor