M3 XXT, Clamping styli straight, silicon nitride sphere, carbon fibre shaft

ZEISS clamping styli have an extended adapter compared to conventional styli. This means that it consists of the actual adapter and a fitting cylinder between the adapter and the thread. This allows the M3 XXT star elements to be clamped directly via the stylus in the same way as with a clamping screw. The other dimensions of the stylus correspond to those of the comparable standard stylus.

Carbon fiber shafts represent an optimum combination of stiffness, weight, and thermal linear expansion. This makes them particularly suitable for long styli and demanding measurement tasks, such as in production with constantly changing ambient temperatures. They are also ideal for magnetic applications. The straight shaft is the simplest stylus design and the one with the longest usable length. The full shaft length can be used as measuring length. Carbon fibre shafts have the best thermal behaviour and the lowest weight, but a little less stiffness.

Silicon nitride styli are just as universally applicable as ruby styli. However, they show less material deposits when scanning aluminum or other soft materials. This does not mean that there iare no deposits here. SiN spheres also shows this problem, the effect only occurs at a later point in time in the process. Due to the almost identical hardness compared to ruby, SiN spheres are equally susceptible to material removal when measuring hard, abrasive materials.