lens magnification - 40 x
aperture - 0.65
tube - 190
connection thread diameter - 27 mm

EPI objective 40 x 0.65 tube 190 for biological and technical microscopes. Designed for studying objects in dark and light fields. Most commonly used in biology and metallography. The lens is in excellent condition, like new, not used. The lenses are clean, no scratches or defects. Connecting thread diameter 27 mm, total objective height 17 mm. 
 Includes original plastic case.
Production of LOMO (Leningrad Optical and Mechanical Association). Fits any microscope with a 27 mm lens thread and a 190 mm tube. It can be useful for microscopes from different manufacturers, such as Zeiss, Leitz, Olympus, Reichert, Wild, PZO, Meopta, Nikon and others.  
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