Lindsey Optics - 4"x5.65" +1/2 Diopter Brilliant² Tray Mount Studio Close-Up Lens
138mm diopter glass is mounted directly into our proprietary 4x5.65" matte box tray and sold as a unit 5.1 inch diameter clear aperture Fits in one matt box slot Knurled stainless steel post in handle allows easy handling in "Studio" style matte boxes Fits in most rod mounted and clip-on 4x5.65 professional cine matte boxes