Filter Lab

Wet cobblestones after rain. Drag to see the glare slide off and deep tone emerge.

When to use

Wet cobblestones, shop windows, water, foliage, and to deepen sky tone for black and white.

When not to

When you want the reflection, or in very low light where you cannot spare the stops.

Stack with

Stack with one ND at most. Never run all four filters together.

F-stop loss

1 to 2 stops of light.