Mamiya's last 35mm SLR system but also the first Japanese SLR system to use an electronic bayonet mount to transmit data between the camera body and lenses, enabling electronic aperture control.
The system consisted of the following cameras:
A useful range of E series interchangeable lenses was developed for the system. In 1981, four EF series lenses were introduced for the ZE-X; they provided distance priority flash auto exposure, which automatically set the aperture in relation to focusing distance when using with Mamiyalite MZ flash units.
The ZM Quartz could use both E and EF series lenses however three E "S" series lenses were also made specially for this camera.
Another manufacturer of lenses for this system was J. Osawa & Co., Ltd., Mamiya's exclusive worldwide distributor since 1963. Unfortunately, the company went bankrupt in 1984, which seems to be the main reason for the discontinuation of the entire line of Mamiya 35mm SLR cameras.
|Wide-angle prime lenses|
|Mamiya-Sekor E 28mm F/3.5 S • ⌀52||●|
|Mamiya-Sekor E 28mm F/3.5 • ⌀49||1980 ●|
|Mamiya-Sekor E 28mm F/2.8 • ⌀49||1981 ●|
|Mamiya-Sekor E 35mm F/2.8 • ⌀49||1981 ●|
|Mamiya-Sekor EF 35mm F/2.8 • ⌀49||1981 ●|
|Standard prime lenses|
|Mamiya-Sekor E 50mm F/2 S • ⌀52||●|
|Mamiya-Sekor E 50mm F/2 • ⌀49||1980 ●|
|Mamiya-Sekor E 50mm F/1.7 S • ⌀52||●|
|Mamiya-Sekor E 50mm F/1.7 • ⌀49||1980 ●|
|Mamiya-Sekor EF 50mm F/1.7 (Auto Revuenon MCF) • ⌀49||1981 ●|
|Mamiya-Sekor E 50mm F/1.4 • ⌀49||1981 ●|
|Mamiya-Sekor EF 50mm F/1.4 (Auto Revuenon MCF) • ⌀49||1981 ●|
|Medium telephoto prime lenses|
|Mamiya-Sekor E 135mm F/3.5 • ⌀49||1980 ●|
|Mamiya-Sekor E 135mm F/2.8 • ⌀52||1981 ●|
|Mamiya-Sekor EF 135mm F/2.8 • ⌀52||1981 ●|
|Mamiya-Sekor E 200mm F/4 • ⌀52||1980 ●|
|Super telephoto prime lenses|
|Mamiya-Sekor E 300mm F/4 • ⌀77||Pro||1981 ●|
|Mamiya-Sekor Macro E 50mm F/3.5 • ⌀49 • 1:2 @ 0.22m||1980 ●|
|Standard zoom lenses|
|Mamiya-Sekor Zoom E 28-50mm F/3.5-4.5 • ⌀55 • Push/pull||1981 ●|
|Mamiya-Sekor Zoom E 35-70mm F/3.5-4.5 • ⌀55 • Push/pull||1981 ●|
|Mamiya-Sekor Zoom E 35-105mm F/3.5-4.3 • ⌀55 • Push/pull||●|
|Telephoto zoom lenses|
|Mamiya-Sekor Zoom E 70-150mm F/3.8 • ⌀52 • Push/pull||1981 ●|
|Mamiya-Sekor Zoom E 80-200mm F/3.8 • ⌀58||1980 ●|
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