The apparatus consist of optical rail of one meter long of Cat No
The apparatus consist of optical rail of one meter long of Cat No. 1240-b (Model (Model MC-S BC-4), one standard mount carrier of Cat No. 1242 ), 3 nos. mount carrier with translation stage of Cat No. 1243 (Model 1264. Very good instruments to determine the principle points of a lens system.MC-TS ), along with nodal slide assembly of Cat No.