Asahi Pentax Spotmatic S1a 35mm SLR Camera Body Spares or Repair Faulty Mirror

The Asahi Pentax Spotmatic S1a (or Pentax S1a/SV series generation) is a classic, fully mechanical 35mm SLR camera body engineered with an all-metal chassis and an M42 universal screw lens mount. Built to legendary Japanese engineering standards, it natively accepts a vast array of vintage M42 thread-mount optics from Takumar, Carl Zeiss Jena, Chinon, and Helios. This example is offered strictly for spares, repair, or restoration: the mechanical shutter fires, but the reflex mirror sticks in the up position after triggering. The battery compartment and light meter have not been tested, and no lens or body cap is included.

Overall Condition: For Spares or Repair / Faulty

Camera body displays moderate cosmetic age wear, surface marks, and light tarnishing across the chrome top plate, baseplate, and metal controls. Mechanical shutter fires, but the reflex mirror stays stuck in the raised position upon shutter release (a classic Pentax mechanism issue typically caused by dried internal lubricants on the lower mirror return mechanism). The battery compartment and light meter remain untested. Sold as-is for parts, repair, or restoration project.

The "sticky mirror" fault on early Pentax M42 bodies is a standard mechanical issue caused by dried 1960s factory grease on the lower mirror gear linkage beneath the baseplate. Because these early mechanical Pentax bodies are built without delicate electronics, a standard strip, clean, and re-lubrication (CLA) routine often easily restores them to smooth, fully functional shooting condition.

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