Blur moving clouds with an ND filter: how to calculate exposures in 4 easy steps

How to blur moving clouds: 01 Choose a filter

Using long exposures to blur moving water is a classic technique, but a similar technique can also be used to great effect to blur scudding clouds. In this tutorial we show you how to calculate exposures with your ND filter to blur moving clouds, giving more impact to your landscape photography.

A layman’s guide to ND filters

How to set up and use a variable ND filter: step 2

What is an ND filter used for – and how should you use it? If you’re new to photography you might understandably have a few questions about some of the equipment.

There are a number of things you need to consider when purchasing an ND filter, and in our latest layman’s guide to fundamental gear we answer some of the most common questions photographers have.

Choosing the best ND filter: remember these 4 tips (and save this cheat sheet!)

How to choose the best ND filter for your camera: 4 tips for deciding which one is right for you

ND filters are sold in different strengths, and different scales are used to measure this. Some use an NDxx number, others refer to optical density, and some refer to the light reduction in EV or ‘stops’. Below we’ve served up four of our best tips for choosing the best ND filter for your DSLR.