 From August 1978 onward an improved model was made, where the light meter was only activated when the release button was depressed slightly.Due to its large success, as early as the end of 1967 a luxury and a beginners variant of the Rollei 35 were planned.However, because of the production shift to Singapore, it was not until 1971 that the computation of a five-elements lens was assigned to Zeiss.