How do you know if you need a step up or step down lens filter adapter ring? — If your lens thread size is smaller than your filter thread size, then you need a step up ring. — If your lens thread size is bigger than your filter thread size, then you need a step down ring. — You’ll always step the lens up or down to match with the filter. Easy peasy! CINEMATIX Camera lens filters were designed to help you create your very best work, whether you’re a photography hobbyist or professional cinematographer. They work with a range of DSLR and mirrorless cameras by screwing onto the threading on your lens. Simply check the thread size listed on your lens and, if needed, purchase an adapter ring to fit them together.
