Large non-reflecting, matt grey baseboard with a printed fine grid and cm/inch scale. Height-adjustable feet. Spirit level integrated into the base. Especially wide, virtually vibration-free column made of matt black anodised aluminium section tube with cm/inch scale. Hand-cranked, rack-and-pinion height adjustment, additionally counter-balanced by a built-in scroll spring. Locking screw prevents inadvertent changing of the adjusted height. Column can be mounted rotated 180°. RTP camera arm (5524) with precision, parallel-guided horizontal adjustment over approx. 8 cm (3.1 in.). Reversible mounting thread 1/4”/ 3/8”. Including dust cover.