Yashica Yashinon-DX 1,7/50mm

Yashica Yashinon-DX 50mm f/1.7 – M42 Screw Mount Lens (Serial No. 5769077)

The Yashica Yashinon-DX 50mm f/1.7, serial number 5769077, is a standard prime lens designed for M42 screw-mount cameras. Produced in the late 1960s to early 1970s, this lens was often paired with Yashica's M42 SLRs like the TL Electro X and is now widely appreciated for its smooth bokeh, solid optical performance, and reliable build quality.

Thanks to its classic rendering and adaptability, it remains a favorite among photographers using digital mirrorless cameras with M42 adapters.

Key Features

• Focal Length: 50mm – natural field of view for portraits, street, and everyday photography

• Maximum Aperture: f/1.7, down to f/16 – ideal for low light and shallow depth of field

• Lens Mount: M42 screw mount – compatible with Yashica M42 bodies and easily adaptable to mirrorless systems

• Focus Type: Smooth manual focus

• Minimum Focus Distance: Approx. 0.5m (1.6 ft)

• Aperture Blades: 6-blade diaphragm

• Coating: Single-coated optics for vintage contrast and character

• Filter Thread: 52mm

• Construction: All-metal barrel with deeply engraved focus and aperture markings

What’s Included

• Yashica Yashinon-DX 50mm f/1.7 lens (Serial No. 5769077)

Condition

Used – Good condition: The lens is fully functional, with clean glass, smooth focusing, and responsive aperture blades. Minor cosmetic wear is present, consistent with age, but performance is unaffected. No haze, fungus, or separation.