138mm - +1 -
that can be used to increase the magnification of a lens. these when you need to get really close-up images of small objects. not a true macro lens, they are lightweight and quick to use with standard cine matte boxes and filter holders. are simple plano convex magnifying lenses manufactured to the highest standards specifically for cinematography. fit easily in cine matte boxes and we have a variety of clamping adapters to attach our 4.5" directly to cine lens barrels. are used as close-up lenses to allow cine lenses to focus closer and on smaller objects than normally possible with the lens alone. work beautifully on cine prime lenses and cine zooms. of our close-up lenses has a focal length expressed in millimeters however for convenience the focal length is expressed in "diopters", which is simply the reciprocal of the focal length in meters. a detailed explanation, see our blog post on diopters. @@ - in 2 @@ - are available in two standard cine sizes of 4 1/2 and 138mm . @@ in 5 @@ 4.5" - are available in 4 strengths including +1/2, +1, +2 and +3. @@ 138mm - are available in 5 strengths including +1/4, 1/2, +1, +2 and +3. @@ the +1/4 when you need to get just a tiny bit closer. +1 gets you close . . . the +3 gets you VERY close. @@ 4x5.65 - the fastest and most convenient form factor, consider our - - 've mounted our 138mm diopters in 4x5.65 . use the same high quality glass as our - close-up lenses and are quick and easy to insert in the matte box. for quickly getting the right shot with a variety of lenses with different focal lengths, including large diameter prime lenses and zoom lenses. are made from the finest optical glass. feature our rock hard, multi-layer BROADBAND anti-reflective coating. dramatically reduces light loss and flare. , color saturation and image quality are preserved. the very highest quality close-up and macro images, consider our .