So, I'm trying to do more manual focus, but I'm having issues at times, likely due to the way dSLR manufacturers have prioritized auto-focus over manual focus in their AF systems & focusing screens.

I really want an 85mm f/1.4 AF lens. I can't afford an 85mm f/1.4 AF lens, but I can afford a MF one. I want to use it for concert photography, which I've recently got hooked on (I'm currently using a ...

The object on the focal plane is the sharpest. However, some part of the object outside the focal plane is also sharp - this is the depth of field. The depth of field in front of the focal plane is ...