Quote Originally Posted by Ashutterbug View Post
Use a hole saw, it works great. Clamp it down well and use your slowest speed on the drill press. Feed the cutter slowly into the lens board.
Hole saws for sure. Circle cutters have the extra height and diameter that need to be watched for. the board has tio be VERY secure. Well....so can hole saws, it's pretty exciting when the saw catches and spins the board especially if flesh is involved.