100mm Handheld Split Diopter is a tool every photographer & cinematographer needs in their kit. Go handheld or mount and craft stunning in camera FX, refractions, bokeh and more. Give any project a unique texture and add a little extra depth and texture to your images and frames. Creates Blurry Refraction FX easily hold in front of the lens to manipulate the effect +2 Diopter Strength Mount for classic Split Diopter Dual Plane Focus Effect Recommended Focal Length (35mm - 85mm) / More Telephoto Recommended Aperture (2.8 / 2 / 1.4) Photo or Video Including black pouch and large lens cloth