This is description of this part:
Split clamping sleeve with a screw that locks the head holder of the Japanese Nissho Optical 209 stereo microscope onto the stand pillar.
This item consists of two parts:
- aluminium clamping sleeve, split along its whole length, which is inserted into the hole in the mounting block of the head holder
- screw with a three-lobe knob, driven in from the outside
This clamping sleeve comes from the head holder for the Nissho Optical 209 microscope (the complete holder is available here https://www.microscopeparts.eu/part/91077).
It is very likely that Nissho Optical (NSK for short) uses identical sleeves across the whole series of stereo microscope head holders it manufactured.
Without this part the holder with the stereo microscope head cannot be clamped precisely at a given height on the stand.
The last photo in the gallery shows the measurement of the pillar that the stereo microscope head holder is fitted onto, and in which this clamping sleeve belongs. The pillar has an unusual diameter - 24 mm - and this matters to anyone who would like to use the sleeve in other microscopes.
What is this part needed for?
- if you own a Nissho Optical 209 stereo microscope but this clamping sleeve is missing from the holder
