The best ND filter for your photography will depend on the effects you want to achieve, and the type of lens you’re using.
The first choice you need to make it whether to go for a fixed ND filter, or a variable ND filter. A variable ND filter offers more options, which is great if you’re shooting in unpredictable or variable light conditions. A fixed ND provides a specific light reduction and works better with telephoto and wide angle lenses. And in terms of choosing which range to buy, let the quality of your lenses guide your decision. Read our range guide here.
The next choice you need to make is the level of light reduction you want. The higher the ND number, the more light it stops from reaching your camera sensor.
Gobe ND filters and their effective f-stop reductions: