Original/Reproduction Original
Time Period Manufactured 1970–1979
Maker Carl Zeiss
Country of Origin Japan

Check the listing for details. Carl Zeiss Universal Rotating Stage 4 Axis Polarizing Microscope Set w/Case Box. Made in Japan. Listed at 4499.99 USD. (See the yellow arrow and the third image.). The empty slot in the upper corner of the case is a spare slot for housing the condenser (polarizer) of a polarizing microscope.

$2,250.00
$4,499.99