New regulations require a fundamental redesign of the PENTARKUS. Three curved tubes with four invisible joints and cables give the boom an organic, linear look. This makes the design calmer. The reflector is no longer angled, but rounded and slightly larger.

Colours: black, aluminium, ochre, ultramarine, dark red (aubergine)
Reflector: painted or anodised aluminium, ø 250 mm
Frame: chrome-plated steel
Produced: 1965 - 1993
Number sold: 8427 pieces
Best years: 1965-1976
First selling price: CHF 79.-