Auto Mamiya Sekor 135mm f/3.5

Auto Mamiya Sekor 135mm f/3.5 - Good Condition | Classic Japanese Telephoto Prime in M42 Mount

The Auto Mamiya Sekor 135mm f/3.5 is a capable and well-built telephoto prime from Mamiya’s respected Sekor lens lineup — a sharp and characterful optic that delivers pleasing subject compression and reach that is ideal for portrait, wildlife, and everyday telephoto photography. Mamiya is universally renowned for its exceptional optical quality across both medium format and 35mm systems, and the Auto Sekor 135mm f/3.5 reflects this heritage with solid optical quality and reliable mechanical construction. In M42 mount, it adapts effortlessly to a wide range of modern mirrorless and film bodies via adapter. Serial number SR 110203.

Key Features

• 135mm focal length — classic telephoto perspective for portraits, wildlife, and distant subjects
• f/3.5 maximum aperture for good low-light performance and pleasing background separation
• Japanese optical quality from the respected Mamiya Sekor tradition
• M42 screw mount — compatible with a vast range of film and digital bodies via adapter
• Manual focus operation with smooth, well-damped focus ring
• Solid all-metal construction built to last
• Front and rear lens caps included

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; coatings intact
• Mechanics: Focus ring operates smoothly and precisely; aperture blades clean and snappy; mount clean and secure

“The Auto Mamiya Sekor 135mm f/3.5 is a practical and capable Japanese telephoto prime that delivers solid reach and reliable optical quality. The 135mm perspective gives you pleasing portrait compression and useful wildlife reach, and the Mamiya optical heritage ensures sharp and natural results. On a modern mirrorless body via adapter it’s a characterful and capable telephoto prime at a very accessible price point.”

What’s Included

• Auto Mamiya Sekor 135mm f/3.5 lens (M42 mount)
• Front and rear lens caps

Technical Specifications

• Brand: Mamiya
• Model: Auto Sekor 135mm f/3.5
• Serial Number: SR 110203
• Mount: M42
• Focal Length: 135mm
• Maximum Aperture: f/3.5
• Minimum Aperture: f/22
• Angle of View: 18°
• Minimum Focus Distance: approx. 1.5m
• Filter Thread: 58mm
• Construction: All-metal barrel
• Type: Prime Lens
• Category: Lenses
• Condition: Good Condition