Zeiss Optics D40 10x Aplanatic Achromatic Pocket Magnifier Z00006 . Doing high precision work or having to recognize even the finest detail - this is the kind of visual task that you can be confronted with in everyday life. With its aplanatic-achromatic pocket magnifiers, ZEISS offers you optical systems that can fit into practically any pocket and - depending on the model - provide magnification of 10x over the entire field of view - and all without distortion or chromatic aberrations.