Autofocus problems?

“Oh noes! The autofocus on my super-expensive lens has stopped working! I’m in uncontrollable panic!”
What if one day, the autofocus on your camera/lens suddenly stops working for no apparent reason? You had your camera safe inside your bag, it didn’t fall, it didn’t get wet, but the autofocus just doesn’t work. You panic, you start [...]

Using ND graduated filters

If you don’t know what ND graduated (NDG) filters are, the picture on the left should give you the basic concept: NDG filters are used to balance the light difference between the sky and the land. They are essentially used in landscape photography, but you can use them in many other themes. That’s what photography [...]