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Mamiya 645 120mm f/4 A Macro M Lens

The Mamiya 120mm f/4 A Macro M is a 120mm f/4 lens designed for Mamiya 645 mount cameras. Used copies start from $447.78 on GearFocus, with buyer protection on every purchase.

Mamiya 645 120mm f/4 A Macro M Lens

Mamiya 645 120mm f/4 A Macro M Lens

Used Mamiya 120mm f/4 A Macro M Listings on GearFocus

Mamiya 645 120mm f4 A Macro M Lens M645
Mamiya 645 120mm f4 A Macro M Lens M645

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$447.78

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Lens OverviewMamiya 120mm f/4 A Macro M

The Mamiya 645 120mm f/4 A Macro M Lens is a prime macro lens built for the Mamiya 645 medium format camera system. With a fixed focal length of 120mm and a maximum aperture of f/4, this lens sits comfortably in telephoto territory, making it well-suited for close-up work where subject distance and working room matter. It is a manual focus lens, placing full control of focus precision in the photographer's hands — a natural fit for deliberate, methodical shooting styles common in macro and studio work.

The lens mounts via the Mamiya 645 mount, keeping it native to that medium format ecosystem. A 67mm filter thread allows for straightforward use of standard filters. At 700g, it carries meaningful heft consistent with medium format optics of this type.

There is no image stabilization, which is standard for a lens of this era and design philosophy. Whether used for detailed product photography, botanical work, or any subject demanding close-range accuracy, this manual prime offers a focused, no-frills tool for Mamiya 645 system shooters who prioritize deliberate technique over automation.

Key FeaturesMamiya 120mm f/4 A Macro M

120mm Medium Format Prime: Fixed focal length on a medium format sensor delivers high detail and a natural telephoto perspective suited to close-up subjects.

True Macro Capability: Designed for close-up photography with a reproduction ratio that resolves fine subject detail across the large medium format frame.

Useful Working Distance: The 120mm focal length keeps the lens further from the subject than shorter macros, reducing the risk of disturbing or shadowing delicate subjects.

Manual Focus Design: Full manual focus control supports the slow, precise shooting workflow that macro and studio photography demands.

Mamiya 645 Native Mount: Mounts directly to Mamiya 645 bodies with no adapters required, ensuring reliable optical and mechanical alignment.

f/4 Maximum Aperture: Provides workable light transmission for a medium format macro prime, with a depth of field well suited to controlled studio or natural light setups.

Lens SpecificationsMamiya 120mm f/4 A Macro M

Mamiya 120mm f/4 A Macro M full specifications
SpecDetail
Use CasesMacro, Product, Studio
Lens TypeMacro
FormatMedium Format
Zoom/PrimePrime
Focal Length120mm
Maximum Aperturef/4
Camera SystemMedium Format
Lens MountMamiya 645
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread67mm

DescriptionMamiya 120mm f/4 A Macro M

The Mamiya 645 120mm f/4 A Macro M Lens is a prime lens built exclusively for the Mamiya 645 medium format camera system. Operating at a fixed 120mm focal length in the telephoto range, it provides comfortable working distance for close-up subjects. The f/4 maximum aperture delivers consistent, predictable exposure across shooting conditions.

Focus is entirely manual, putting precise control directly in the photographer's hands — well matched to the deliberate pace that macro work demands. The lens attaches via the Mamiya 645 mount and accepts filters via a 67mm thread. Weighing 700g, it is a solid, substantial optic. No image stabilization is present, making a stable shooting platform important for critical sharpness.

This lens is a straightforward, spec-driven tool for Mamiya 645 shooters focused on close-range and detailed subject work.

ProsMamiya 120mm f/4 A Macro M

  • Native Mamiya 645 mount ensures direct, reliable compatibility with the Mamiya 645 medium format system
  • 120mm prime focal length in the telephoto range provides useful working distance for close-up subjects
  • Maximum aperture of f/4 offers reasonable light transmission for a medium format macro prime

ConsMamiya 120mm f/4 A Macro M

  • Manual focus only — no autofocus capability, which may slow workflows in fast-paced shooting situations
  • No image stabilization, requiring stable support such as a tripod for best results at close focus distances
  • At 700g, the lens adds considerable weight to a medium format kit

VideosMamiya 120mm f/4 A Macro M

5 REASONS TO SHOOT WITH VINTAGE MACRO LENSES - Up Close and PersonalMark Holtze

Resources & DownloadsMamiya 120mm f/4 A Macro M

Manuals & Guides

Frequently Asked QuestionsMamiya 120mm f/4 A Macro M

What camera system is this lens compatible with?+
This lens is designed for the Mamiya 645 medium format camera system, using the Mamiya 645 mount. It is not natively compatible with other systems without an appropriate adapter.
Does this lens support autofocus?+
No, this is a manual focus only lens. All focus adjustments must be made by hand, which is a common characteristic of lenses designed for precise macro and studio work.
What filter size does this lens use?+
The lens has a 67mm filter thread, a standard size that makes it easy to find compatible filters from a wide range of manufacturers.
Does this lens have image stabilization?+
No, the lens has no image stabilization. When shooting at close distances, using a sturdy tripod or other stable support is advisable to ensure sharp results.
What is the weight of this lens?+
The Mamiya 645 120mm f/4 A Macro M Lens weighs 700g. This is worth considering when planning a handheld medium format kit or balancing on a tripod head.

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