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Schneider Kreuznach 120mm LS Blue Ring f/4.0 AF Macro Lens

The Schneider-Kreuznach 120mm LS f/4.0 AF Macro is a 120mm f/4 lens designed for Phase One XF, Mamiya 645 mount cameras. Used copies start from $2,993.7 on GearFocus, with buyer protection on every purchase.

Schneider Kreuznach 120mm LS Blue Ring f/4.0 AF Macro Lens

Schneider Kreuznach 120mm LS Blue Ring f/4.0 AF Macro Lens

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Lens OverviewSchneider-Kreuznach 120mm LS f/4.0 AF Macro

The Schneider-Kreuznach 120mm LS Blue Ring f/4.0 AF Macro is a medium format prime lens built for photographers who demand precision and optical performance in demanding shooting scenarios. Designed specifically for the medium format camera system, this lens is compatible with Phase One XF and Mamiya 645 mounts, making it a practical choice for shooters invested in either of those ecosystems. At 120mm, it occupies a classic focal length well-suited to macro and close-up work, as well as general studio and portrait applications where subject isolation and working distance matter.

The maximum aperture of f/4.0 delivers a well-balanced exposure foundation for controlled lighting environments. Autofocus is supported alongside manual focus, giving shooters the flexibility to work quickly or with deliberate precision depending on the subject. The lens features a 72mm filter thread, opening the door to standard polarizing, ND, and UV filtration.

Weighing in at 935g, it carries the expected heft of a medium format prime, and its lens-shutter (LS) designation indicates it is built around an integrated leaf shutter design — a meaningful asset for studio flash synchronization workflows. No image stabilization is included.

Key FeaturesSchneider-Kreuznach 120mm LS f/4.0 AF Macro

120mm Medium Format Prime: A classic focal length for macro and portrait work on medium format, offering comfortable subject working distance and consistent field of view.

True 1:1 Macro Capability: Designed for close-up and macro photography, allowing life-size reproduction for detailed product, scientific, or fine art imaging.

Integrated Leaf Shutter: The LS designation means a built-in leaf shutter enables flash sync at all shutter speeds, a significant advantage in studio strobe workflows.

Phase One XF & Mamiya 645 Mount: Natively compatible with two widely used medium format systems, making it a practical choice for shooters across both ecosystems.

Autofocus with Manual Override: Supports both AF and manual focus operation, giving photographers the flexibility to shoot quickly or with deliberate, frame-by-frame precision.

f/4.0 Maximum Aperture: Provides a consistent exposure baseline well-suited to controlled studio lighting environments common in medium format workflows.

Lens SpecificationsSchneider-Kreuznach 120mm LS f/4.0 AF Macro

Schneider-Kreuznach 120mm LS f/4.0 AF Macro full specifications
SpecDetail
Use CasesMacro, Product, Studio
Lens TypeMacro
FormatMedium Format
Zoom/PrimePrime
Focal Length120mm
Maximum Aperturef/4
Camera SystemMedium Format
Lens MountPhase One XF, Mamiya 645
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread72mm

DescriptionSchneider-Kreuznach 120mm LS f/4.0 AF Macro

The Schneider-Kreuznach 120mm LS Blue Ring f/4.0 AF Macro is a medium format prime lens engineered for photographers working with Phase One XF or Mamiya 645 mount systems. Built around a 120mm focal length and a maximum aperture of f/4.0, this lens is classified as a macro type and falls within the telephoto focal length range — making it a thoughtful choice for close-up and detail-oriented work where subject-to-camera working distance is a practical concern. Autofocus and manual focus modes are both supported, providing operational flexibility across different shooting disciplines and studio setups.

A 72mm filter thread makes it compatible with a wide range of standard photographic filters. At 935g, the lens carries solid build weight consistent with the medium format segment. The LS designation refers to the lens-shutter construction, which is a notable feature for studio photographers synchronizing with flash at various shutter speeds.

Image stabilization is not present in this lens.

ProsSchneider-Kreuznach 120mm LS f/4.0 AF Macro

  • Dual mount compatibility with Phase One XF and Mamiya 645 systems offers broad medium format ecosystem coverage
  • Autofocus support combined with manual focus option provides flexible operation for different shooting scenarios
  • 72mm filter thread allows use of widely available standard photographic filters

ConsSchneider-Kreuznach 120mm LS f/4.0 AF Macro

  • No image stabilization (confirmed as 'None' in specs), which may require more careful technique or tripod use given the lens weight
  • Maximum aperture of f/4.0 is relatively modest for a medium format prime, limiting low-light handheld performance
  • At 935g, the lens is substantial and may add significant weight to a medium format kit

Resources & DownloadsSchneider-Kreuznach 120mm LS f/4.0 AF Macro

Manuals & Guides

Frequently Asked QuestionsSchneider-Kreuznach 120mm LS f/4.0 AF Macro

Which camera mounts is this lens compatible with?+
The Schneider-Kreuznach 120mm LS Blue Ring f/4.0 is compatible with Phase One XF and Mamiya 645 mounts. It is designed specifically for medium format camera systems using these mount standards.
Does this lens support autofocus?+
Yes, the lens supports both autofocus and manual focus operation. This dual-mode capability gives photographers the option to rely on AF for speed or switch to manual for precise control.
What filter size does this lens use?+
The lens has a 72mm filter thread. This is a common filter size, making it straightforward to find compatible polarizing, ND, or UV filters.
Does this lens have image stabilization?+
No, the specifications confirm that image stabilization is not included on this lens. Users who require maximum sharpness in macro applications may want to use a tripod or other support system.
How heavy is this lens?+
The lens weighs 935g, which is typical for a medium format prime. Shooters planning extended handheld sessions should factor this into their kit planning.

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