Replacement pair of WF20x-F widefield, high eyepoint, focusable 20x eyepieces for the Zeiss Stemi and Zeiss Discovery V8, V12, V16, V20 stereo microscopes. FN = 12. These 20x replacement eyepieces have a 30mm diameter
. This pair of 20x focusing eyepieces works with the following microscopes:
- Zeiss Stemi Stereo Microscopes
- Zeiss Discovery V8 Stereo Microscopes
- Zeiss Discovery V12 Stereo Microscopes
- Zeiss Discovery V16 Stereo Microscopes 
- Zeiss Discovery V20 Stereo Microscopes