SMC Pentax-M 50mm f/2

SMC Pentax-M 50mm f/2 - Good Condition | Classic Standard Prime in Pentax K Mount

The Asahi Optical Co. SMC Pentax-M 50mm f/2 is a beautifully compact and capable standard prime from Pentax's respected M-series lens lineup — a range of lightweight and elegantly designed lenses that combined outstanding optical performance with a minimal footprint. The SMC (Super Multi Coating) designation reflects Pentax's advanced multi-layer coating technology — delivering outstanding contrast, accurate colour rendition, and exceptional resistance to flare and ghosting. The M-series design philosophy results in one of the most compact and elegant 50mm lenses ever produced — making it an ideal everyday companion for any Pentax K mount body. In Pentax K mount, it pairs naturally with the full range of Pentax K mount film and digital bodies and adapts effortlessly to modern mirrorless systems. Serial number SR 3569134.

Key Features

• 50mm focal length — classic standard perspective for portraits, street, and everyday shooting
• f/2 maximum aperture for excellent low-light performance and pleasing background separation
• SMC (Super Multi Coating) for outstanding contrast, colour accuracy, and flare resistance
• Pentax K mount — compatible with all Pentax K mount film and digital bodies and mirrorless via adapter
• Compact and lightweight M-series design — one of the most elegant 50mm lenses ever produced
• Manual focus operation with smooth, well-damped focus ring
• Solid all-metal construction of the highest quality
• A genuine classic from Asahi Optical Co.'s golden era of lens making

Condition Report

• Body: Good condition — light marks consistent with age and use, no cracks or damage to barrel or mount
• Optics: Elements clean and clear — no fungus, haze, or significant dust; SMC coatings intact
• Mechanics: Focus ring operates smoothly and precisely; aperture blades clean and snappy; mount clean and secure

"The SMC Pentax-M 50mm f/2 is one of those lenses that photographers discover and never want to be without. The Super Multi Coating delivers a contrast and colour accuracy that is immediately apparent, and the compact M-series barrel makes it one of the most unobtrusive 50mm lenses you can put on any camera. On a modern mirrorless body via adapter it's an absolute joy to use every day."

What's Included

• SMC Pentax-M 50mm f/2 lens
• Front and rear lens caps

Technical Specifications

• Brand: Asahi Optical Co. (Pentax)
• Model: SMC Pentax-M 50mm f/2
• Serial Number: SR 3569134
• Mount: Pentax K
• Focal Length: 50mm
• Maximum Aperture: f/2
• Minimum Aperture: f/22
• Lens Construction: 6 elements in 5 groups
• Angle of View: 46°
• Minimum Focus Distance: 0.45m
• Filter Thread: 49mm
• Construction: All-metal barrel
• Type: Prime Lens
• Category: Lenses
• Condition: Good Condition