Vivitar
Pre-Owned - Vivitar 50mm f/1.8 M42 Screw Mount
The Vivitar 50mm f/1.8 Auto is a classic manual-focus vintage prime lens utilizing the universal M42 screw mount standard. Known for its solid all-metal construction, smooth focus throw, and high-quality vintage optics, it offers an incredibly affordable entry point into vintage photography. When shot wide open at f/1.8, users frequently note that it delivers a signature character with creamy, soft bokeh. It becomes progressively sharper across the frame when stopped down to apertures like f/4 or f/8.
Key Technical Specifications
• Focal Length: 50mm (a "normal" field of view mimicking human sight)
• Aperture Range: f/1.8 maximum to f/22 minimum
• Mount Type: M42 Screw Mount (42mm diameter with a 1mm thread pitch)
• Focusing Control: Fully Manual Focus with integrated depth-of-field scale
• Filter Thread Size: 49mm
• A/M Switch: Most models include an Auto/Manual switch near the base to toggle control of the aperture diaphragm pin.
