Mamiya-Sekor C 300mm f/5.6 Lens M645 - Serviced

Description

An original Mamiya-Sekor C 300mm f/5.6 medium format super-telephoto prime lens designed for the Mamiya 645 camera system. Exceptional for wildlife, sports, and distant landscape photography, offering powerful reach and sharp optical rendering.

Condition

Overall Condition: Very Good

Professionally serviced in October 2026. Cosmetically in very good pre-owned condition with clean metal barrel, crisp aperture markings, silky focus rotation, and pristine optical elements. Aperture blades operate cleanly and accurately.

Included

• Mamiya-Sekor C 300mm f/5.6 Lens (Serial No. 31863)
• Built-in Sliding Lens Hood
• Front and Rear Lens Caps

Key Features

• Powerful 300mm super-telephoto focal length providing extreme reach and dramatic subject compression on 645 medium format film
• Practical f/5.6 maximum aperture designed to maintain manageable physical weight and balanced handling in the field
• Robust professional-grade construction tailored for the Mamiya M645 modular system
• Multi-coated optics ensuring high contrast, sharp rendering, and effective flare suppression
• Smooth manual focus mechanics with clear depth-of-field scale markings and built-in sliding lens shade

Collector's Notes

The Mamiya-Sekor C 300mm f/5.6 is a classic long-reach telephoto tool for the M645 system, highly valued by film photographers seeking high-magnification medium format performance.

Keywords

Mamiya Sekor C 300mm f5.6, Mamiya 645 Lens, Mamiya 300mm f/5.6 Prime, Medium Format Super-Telephoto Lens, Vintage Mamiya M645 Lens