3d printed Nikon Eclipse Abbe 1.25  condenser conversion kit  works with darkfield, polarizing, Rheinberg, oblique, gradient and etc. combined illuminations. Filters can be placed on the top or to the bottom of the removable tray (or both, by combining different illumination techniques). The cylinder and bottom tray are held together by neodymium magnets and all set can be rotated inside the condenser in order to achieve required illumination. 

Please see the video : https://youtu.be/583-nqNBLX8

This kit contains:

-conversion cylinder

-bottom tray

-36pcs 32mm darkfield/oblique filters ("Y" shape filters are blanks to make your own filter or use for the retardation film filter)

-1pcs 32mm polarizing film filter

Condenser and Rheinberg filters are not included !

Feedback will be left after you do, as this lets me know you have received the item and everything checks out okay, thank you !