High-quality roller bearings made of chrome steel or stainless steel for rotating elements, low-maintenance, easy to replace, sealed. Special algae-free glycol mixture filling as high-contrast flow fluid, frost-proof down to approx. - 20° C.

Appliance made of oak wood, sawn timber heart-cut. High-quality roller bearings made of chrome steel or stainless steel for rotating elements, low-maintenance, easy to replace, sealed. Turntable made of extremely impact-resistant, weatherproof acrylic glass guided in four stainless steel bearings. Panel with large diameter and thick, transparent and completely streak-free, UV-resistant outer pane.

Back and forth movements with sintered metal plain bearing, self-lubricating. Gimbal mount made of stainless steel, swivelling and pivoting on all sides, maintenance-free bearings. Large-dimensioned, optical, plano- vexed converging lens made of shatterproof acrylic glass.