10th Anniversary 2012-2022
More than just a camera lens database
1974

Mamiya SX M42 system

Discontinued

The Mamiya MSX 500 and MSX 1000, introduced in May 1974, were cameras with through-the-lens (TTL) spot metering only. The Mamiya DSX 500 and DSX 1000, introduced in October 1974, added the average metering system. Like the Mamiya/Sekor TL/DTL series models, all these cameras used the M42 screw mount. SX lenses, a part of the system, featured a mechanical pin which transmitted the F-stop information to the camera, eliminating the need to stop-down for metering.

Camera lineup

M42 mount lens lineup

Fisheye lenses
3.5 Auto Mamiya/Sekor Fish-eye SX 14mm F/3.5 [Mod. M42]
Ultra-wide angle prime lenses
4.0 Auto Mamiya/Sekor SX 21mm F/4 [Mod. M42] ⌀58Pro
Wide-angle prime lenses
2.8 Auto Mamiya/Sekor SX 28mm F/2.8 [Mod. M42] ⌀58
2.8 Auto Mamiya/Sekor SX 35mm F/2.8 [Mod. M42] ⌀52
Standard prime lenses
2.0 Auto Mamiya/Sekor SX 50mm F/2 [Mod. M42] ⌀52
1.8 Auto Mamiya/Sekor SX 55mm F/1.8 [Mod. M42] ⌀52
1.4 Auto Mamiya/Sekor SX 55mm F/1.4 [Mod. M42] ⌀52
Short telephoto prime lenses
2.8 Auto Mamiya/Sekor SX 85mm F/2.8 [Mod. M42] ⌀52
1.7 Auto Mamiya/Sekor SX 85mm F/1.7 [Mod. M42] ⌀58
2.8 Auto Mamiya/Sekor SX 100mm F/2.8 [Mod. M42] ⌀52
2.8 Auto Mamiya/Sekor SX 105mm F/2.8 [Mod. M42] ⌀52
Medium telephoto prime lenses
2.8 Auto Mamiya/Sekor SX 135mm F/2.8 [Mod. M42] ⌀52
3.5 Auto Mamiya/Sekor SX 200mm F/3.5 [Mod. M42] ⌀58
Super telephoto prime lenses
5.6 Auto Mamiya/Sekor SX 300mm F/5.6 [Mod. M42] ⌀58Pro
8 Mamiya/Sekor SX 600mm F/8 [Mod. M42]Pro
8 Mamiya/Sekor SX 800mm F/8 [Mod. M42]Pro
Macro lenses
2.8 Mamiya/Sekor Macro SX 60mm F/2.8 [Mod. M42] ⌀581:1 @ CFD 0.235m
Telephoto zoom lenses
4.5 Auto Mamiya/Sekor Zoom SX 90-230mm F/4.5 [I] [Mod. M42] ⌀58
4.5 Auto Mamiya/Sekor Zoom SX 90-230mm F/4.5 [II] [Mod. M42] ⌀62

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