The ZEISS binocular optical system comes with 10x eyepieces for 8x - 40x magnification and a wide viewing field for objects up to 23mm. Outstanding Optics Design:
Apochromatic corrected ZOOM optics of ZEISS.
Sharp, distortion-free 3D image over the whole visual field.
Mechanical corrected ZOOM curve for largest ZOOM range 5 : 1.
Sharp 3D image in each ZOOM position.
Distortion-free 10x eyepieces with wide field of view 23 mm at 8x.