3M‑5A 500mm f/8 Mirror Lens – T‑Mount / M42 – With Case & Filters – Very Good

DESCRIPTION

Soviet 3M‑5A 500mm f/8 mirror (catadioptric) telephoto lens in Very Good condition, supplied with T‑mount / M42 fitting, original case, and filters. The 3M‑5A is well‑known for its compact design, long reach and distinctive mirror‑lens rendering, including smooth contrast and characteristic donut‑shaped bokeh.

A clean, functional example ideal for wildlife, aviation, astronomy and creative telephoto work on both film and digital systems.

CONDITION

Overall Condition: Very Good

• Optics clean with just some dust
• Mirror surfaces bright and intact
• Aperture fixed at f/8 (design characteristic)
• Focus ring smooth with correct damping
• Exterior shows light cosmetic wear
• Mount clean and secure
• Typical light internal dust for age

INCLUDED

• 3M‑5A 500mm f/8 mirror lens
• T‑mount / M42 adapter
• Original case, note that the filter holder is not currently attached
• Filters (set supplied with lens)
• Front and rear caps 

KEY FEATURES

• 500mm compact mirror telephoto
• Fixed f/8 aperture
• T‑mount system with M42 adapter
• Lightweight for its focal length
• Distinctive mirror‑lens bokeh
• Ideal for wildlife, aviation and long‑distance subjects
• Adaptable to modern digital systems

COMPATIBILITY

• T‑mount with M42 adapter included
• Adapts easily to mirrorless systems (Sony E, Fuji X, Canon RF, Nikon Z, etc.)
• Adaptable to DSLR systems with appropriate M42 adapters
• Manual focus and fixed aperture operation

COLLECTORS NOTES

The 3M‑5A is one of the most respected Soviet mirror lenses, valued for its optical quality, compact size and robust construction. Complete examples with case and filters are increasingly sought after by collectors and users wanting a characterful long‑reach lens.

SEO KEYWORDS

3M‑5A 500mm, Soviet mirror lens, M42 telephoto, T‑mount 500mm, vintage long lens UK