【Near Mint】YASHICA AUTO YASHINON-DS 50mm f/1.9 M42 MF Lens from Japan #E0506

• Focus ring works smoothly
• Aperture ring clicks properly
• Aperture blades move smoothly

• Light cleaning marks and faint fungus marks (traces) on the rear element. They may have a minimal effect on photos.
• No haze or fog
• No balsam separation

• Brand: Yashica
• Model: AUTO YASHINON-DS 50mm f/1.9
• Lens Type: Manual Focus Standard Prime Lens
• Lens Mount: M42 Screw Mount (42mm × 1)
• Compatible Cameras: M42 Screw Mount SLRs (Yashica TL Series, Pentax Spotmatic, Praktica, etc.); Mirrorless via Adapter
• Focal Length: 50mm
• Maximum Aperture: f/1.9
• Minimum Aperture: f/16
• Angle of View: Approx. 46° (Diagonal, on 35mm)
• Focus Type: Manual Focus
• Aperture Type: Automatic Diaphragm (Pin-Actuated)
• Filter Size: 52mm
• Lens Format: 35mm Full Frame
• Made in: Japan

The Yashica Auto Yashinon-DS 50mm f/1.9 is a classic M42 screw-mount standard lens from Yashica's era of TL-series SLRs. Yashica built a strong reputation for offering excellent optical quality at accessible prices, and their Yashinon lenses remain popular with film shooters and digital adapters alike.

With its bright f/1.9 maximum aperture, this lens delivers pleasing subject separation and soft, natural-looking backgrounds. Wide open it shows a gentle vintage glow, while stopping down brings crisp sharpness and good contrast, giving you two distinct looks from one compact lens.

The lens has a solid, all-metal feel typical of Japanese lenses of the period. The focus ring turns smoothly, and the aperture ring provides clear click stops for easy, tactile control. Its compact size makes it a comfortable everyday lens on both film SLRs and mirrorless bodies.

As an M42 lens, it uses an automatic diaphragm actuated by the camera's stop-down pin, so it works smoothly with compatible screw-mount SLRs. A 52mm filter thread makes it easy to fit common filters and hoods.

The 50mm focal length is endlessly versatile. It is excellent for street photography, travel, everyday snapshots, and environmental portraits, and on APS-C mirrorless bodies it becomes a flattering short telephoto for portraits.

M42 is one of the easiest mounts to adapt. With a simple M42 adapter, this lens works on Sony E, Fujifilm X, Canon RF, Nikon Z, Micro Four Thirds, and many other systems. On adapters, be sure the aperture pin is depressed so that the aperture ring controls the diaphragm directly.

Vintage Yashinon lenses are appreciated for their character, build quality, and value. They offer a classic rendering that modern lenses rarely reproduce, making them a favorite among photographers and videographers seeking a more organic look.

If you are looking for a fast, characterful 50mm with authentic Japanese craftsmanship, the Yashica Auto Yashinon-DS 50mm f/1.9 is a rewarding choice for film cameras and modern mirrorless systems alike.