Normal or solid ND filters have the same amount of darkening across the entire filter. Graduated ND filters, also called GND filters, feature a varied amount of darkening across the filter. Some create a vignetting effect by being darker in the center and getting gradually lighter on the outsi...
the value of graduated ND filters, and much more. By the time you’re finished reading, you’ll know how to handle filters like a landscape photography professional (and you’ll be familiar with the types of filters that every landscape shooter should own!
The distance between the ground and the cell of the camera remained constant during the different experiments allowing for stable calibration of the cameras although a graduated gauge could also be incorporated in the field of view. Moreover, by using accessible and adaptable codes in the PYM ...