BEFORE
1 SENSOR MARKS
Dust on the sensor can show up on every frame you take, especially with landscapes, where narrow apertures like f/16 tend to show up the problem
2 WONKY HORIZON
Even when you use a tripod and a spirit level, horizons can still need correcting, especially if there’s an obvious horizon line like sea in the frame.
3 TOO DARK
Here, exposing for the sky has left the rocks far too dark and lacking in detail or texture- these are the main focus of the image, and they’re disappointingly dull.
AFTER
WATCH THE VIDEO http://tiny.cc/ret9ky
4 COLOR CAST
Shooting at dusk can often leave colors looking too blue, especially if you’ve left white balance to auto, or used an ND filter to elongate the shutter speed.
5…