Nikon 120mm f/4 Medical-NIKKOR (M-1/11) Manual Focus Lens with 0.8-2X Close-up Adapter, DC Power Unit LD-2, Cords

Model #383651

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120mm f/4 Medical-Nikkor: Built-In Flash for Clinical Macro Work

The 120mm f/4 Medical-Nikkor (M-1/11) was built around a single purpose: repeatable, consistent close-up documentation without the fuss of external lighting setups. Nikon engineered a ring flash illumination system directly into the lens barrel, so exposure stays even across the field regardless of how tight the framing gets. That's a fundamentally different design brief than a standard macro lens, and it shows in how the system is packaged.

This kit pairs the lens with the 0.8-2X close-up adapter, extending magnification range for smaller subjects, plus the LD-2 DC power unit and cords needed to run the built-in flash independent of mains power. Everything required to shoot consistent macro documentation in the field or clinic is included as one system than assembled piecemeal.

At f/4 maximum aperture and a fixed 120mm focal length, this is a lens built for precision over speed. Manual focus keeps the operator in full control of the plane of focus, which matters when working at close-up magnifications where depth of field is measured in millimeters. For anyone who needs identical lighting and framing across a series of close-up exposures, this is a dedicated tool than a general-purpose optic pressed into service.

Who It's For

Dental and medical photographers documenting oral cavities, skin conditions, or surgical sites benefit from the built-in ring flash, which delivers even illumination at working distances too close for typical strobes or on-camera flash. Forensic and scientific photographers who need repeatable close-up documentation gain from the 0.8-2X adapter's extended magnification range paired with manual focus control. Photographers working outside a fixed studio setup benefit from the LD-2 DC power unit, which powers the flash system without dependence on wall current. Anyone building a dedicated close-up documentation workflow, than adapting general macro gear, gets a purpose-built 120mm f/4 system with lighting and power handled as one unit.

Key Features

  • 120mm fixed focal length with f/4 maximum aperture
  • Built-in ring flash for even illumination in close-up documentation
  • Manual focus for precise depth-of-field control at macro magnifications
  • 0.8-2X close-up adapter extends magnification range for smaller subjects
  • LD-2 DC power unit for independent flash operation
  • System includes all cords required for field use

FAQ

What magnification range does this lens achieve with the 0.8-2X adapter included?
The 0.8-2X close-up adapter extends the magnification range for subjects smaller than the lens alone can handle. The adapter is part of the kit, so you have the full range available without additional purchases.
How does the built-in ring flash differ from using external flash for medical documentation?
The flash is integrated into the lens barrel itself, delivering even illumination across the field regardless of working distance or framing tightness. This consistency is the core advantage for repeatable clinical documentation-no separate flash positioning or exposure compensation needed between shots.
Is this a manual focus lens?
Yes, manual focus only. At close-up magnifications where depth of field is measured in millimeters, manual control over the plane of focus is essential for precision documentation work.
What powers the built-in flash system in the field?
The LD-2 DC power unit is included in the kit. It runs independent of mains power, so the flash operates whether you're in a clinic, lab, or field setting.
At f/4, is this lens fast enough for available-light macro work?
The f/4 aperture is a trade-off for optical design: it's optimized for the ring flash illumination system rather than speed. This is a dedicated tool for lit macro documentation, not for available-light close-up work.
What camera mount does this lens use?
Mount type is not specified in the available documentation. Verify compatibility with your camera before purchase.
SpecificationValue
Focal Length120mm
Max Aperturef/4

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Nikon
Focus Type Manual focus (only)
Lens Mount Nikon F Coupling Unspecified
Lens Type Short Tele / Portrait
Max Focal Length 120mm
Min Focal Length 120mm

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New
New in box complete with manufacturer's USA warranty. Not previously owned or used.
Like New
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
As Is
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.

Like New Minus

Like New Minus
Like New Minus

Like New Minus

Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent Plus

Excellent Plus
Excellent Plus

Excellent Plus

Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent

Excellent
Excellent

Excellent

Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Bargain

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Bargain

Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Ugly

Ugly
Ugly

Ugly

Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.