20x Ramsden Ocular for Measuring Microscope

This is the highest magnification ocular available for the Gaertner modular measuring microscope line. Gaertner oculars are smaller in diameter than normal microscope eyepieces (49/64ths as opposed to 23.2mm). The part number is M239, and it has the following characteristics.

� Magnification – 20x
� Equivalent focal length – 12mm
� Field diameter – 10mm
� Must be used with eyepiece adapter M250-239

The eyepiece is in excellent condition and perfect optical condition.

Photo set 1398
***MPN M239
***OEM Gaertner Scientific
***SKU*** 21427