Microscope Phase Contrast Rings 30mm Insertion Diameter

Description

You are bidding for a set of Phase contrast rings with following dimensions.
Phase 1 : 3.9 mm center stop diameter and 0.36 mm width of light ring ;
Phase 2 : 11.0 mm center stop diameter and 0.7 mm width of light ring
Phase 3 : 19.0mm center stop diameter and 1.6 width of light ring ;
Dark field : 23.5 mm center stop diameter,  1.9mm with of light ring.
Insertion diameter approx. 30mm(-)  designed to be inserted in a holder with 30mm – receiving diameter.
This units are made with close tolerance and a preliminary cleaning to eliminate some existing glue traces may be required. The units are not marked and the material used is DELRIN.
Before making an order please check the specs requirements for your phase contrast condenser or slider phase rings and buy only if our item advertised specs meet this requirements.