How and when to use ND filters (and what the numbers mean)

How and when to use ND filters (and what the numbers mean)

Have you ever wondered how pro photographers capture movement in their landscape shots to produce soft, blurry clouds and misty waterfalls? Are your long exposures just not delivering the same effect? Chances are that those pro images have been shot using a neutral density filter. These dark filters are designed to reduce the amount of light reaching the sensor in order to increase exposure times, without affecting the colour of the image. But how do you know when to use ND filters?

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.