205. Use a flat-bladed screwdriver or a pair of tweezers to remove or add shims.Handle the shims carefully as they can easily kink or tear which makes them unusable.Ensure that the colored shims lie on top of each other in the groove of the lens barrel and do notcover the screw holes. The shims might otherwise be damaged, while screwing in the screws.6. Follow the steps of chapter Attaching a Mount to attach a new mount.7. echeck the sharpness of the lens by following the steps of chapter Testing the Sharpness once more.Check the sharpness at the longest and the shortest focal length.a. If the testing distance has changed, follow the steps of chapter Correcting the Flange Focal Distance once more.b. If you achieve the maximum sharpness over the whole focal range, you successfully tested your ZEISS CZ.2.In this chapter you learned how to adjust a ZEISS CZ.2.