Exploring Filters
Lens filters are an important tool of landscape photographers. They screw onto the end of your lens and affect the quantity or quality (think color and other properties) of light as it enters the camera. Some filter effects can be replicated in software, but others cannot.
For example, if the sun is so bright that it prevents you from using a long shutter speed (and you cannot make the lens aperture any smaller and the ISO is already as low as it will go), the only way to reduce the amount of light that makes it into the camera is by attaching one or more neutral density (ND) filters to the lens. You can’t do this in Adobe Lightroom! I used ND filters with a long shutter speed this morning to capture water coming out of a fountain. ...
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