This is description of this part:
It contains a screw used to set the position (height) of the condenser in the holder. It can be unscrewed and then it will fit any holder with a diameter of 31.5 mm or others if you put a thickening ring on it.
The upper lens for strong magnifications can be unscrewed and then we get a condenser for objectives with low magnification and low numerical aperture.
I can't (or it is not possible) unscrew the lower part with the diaphragm separately.
What is this part needed for?
- For anyone whose microscope lacks a condenser. Can be used with any microscope that uses 31.5 mm diameter condensers.
- The upper lens sometimes gets damaged in condensers. This may be the reason for replacing the entire element. Check if such a smaller part is available for sale as a separate product.
- Very (!) often the iris diaphragm in the condenser breaks. The leaves break, bend or get lost. This may be the reason for replacing the entire element. Check if such a smaller part is available for sale as a separate product.