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Nikon Nikkor AI 50mm f/1.2 Lens

The Nikon 50mm f/1.2 is a 50mm f/1.2 lens designed for Nikon F mount cameras. Used copies start from $484.74 on GearFocus, with buyer protection on every purchase.

Nikon Nikkor AI 50mm f/1.2 Lens

Nikon Nikkor AI 50mm f/1.2 Lens

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Nikon Nikkor AI-S 50mm f1.2 Lens AIS
Nikon Nikkor AI-S 50mm f1.2 Lens AIS

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Lens OverviewNikon 50mm f/1.2

The Nikon Nikkor AI 50mm f/1.2 is a manual focus prime lens built for the Nikon F mount, covering a full-frame image circle. As a standard 50mm prime, it sits comfortably in the focal length range most associated with a natural field of view, making it a versatile choice across a wide range of shooting scenarios. The headline specification here is its maximum aperture of f/1.2, which is among the widest available in a 50mm format and opens up significant creative latitude when it comes to exposure and depth of field rendering.

Focus is entirely manual, with no autofocus mechanism of any kind, so shooters will need to be comfortable working with manual technique. There is no image stabilization on board, which is consistent with the manual-focus, classic-era design philosophy of the AI series. The lens accepts 52mm filters, a standard thread size that makes accessories easy to source.

Weighing in at 360g, it is a reasonably substantial lens without being unwieldy. It mounts via the Nikon F bayonet, giving it compatibility with a broad range of Nikon F-mount bodies, both film and digital, depending on adapter availability.

Key FeaturesNikon 50mm f/1.2

f/1.2 Maximum Aperture: One of the widest available apertures in a 50mm lens, enabling shooting in very low light and precise depth of field control.

50mm Full-Frame Coverage: Standard focal length covering a full-frame image circle, producing a natural perspective close to human vision.

Nikon AI Manual Design: Part of Nikon's AI (Automatic Indexing) lens series, allowing metered exposure coupling on compatible Nikon film and digital bodies.

Manual Focus Only: Smooth manual focus ring suited to deliberate, controlled shooting where precise focus placement is essential.

Nikon F Mount: Compatible with a wide range of Nikon F-mount film and digital SLR bodies, as well as mirrorless systems via adapter.

52mm Filter Thread: Common filter thread size that makes compatible filters and accessories widely available and affordable.

Lens SpecificationsNikon 50mm f/1.2

Nikon 50mm f/1.2 full specifications
SpecDetail
Use CasesPortrait, Night, Creative Effects
Lens TypePrime
FormatFull Frame
Zoom/PrimePrime
Focal Length50mm
Maximum Aperturef/1.2
Camera SystemDSLR
Lens MountNikon F
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread52mm

DescriptionNikon 50mm f/1.2

The Nikon Nikkor AI 50mm f/1.2 is a manual focus prime lens built around the Nikon F mount, with a full-frame image circle. Its standout specification is the f/1.2 maximum aperture, one of the widest available in this focal length class, giving photographers significant control over depth of field and exposure. The 50mm focal length places it in the standard range, a versatile choice for a variety of subjects and environments.

With a 52mm filter thread, accessory compatibility is broad and sourcing filters is straightforward. The lens weighs 360g, keeping it practical for handheld use. There is no autofocus — operation is fully manual — and no image stabilization, reflecting its classic AI-series design.

It is categorised as a DSLR lens within the Nikon F-mount camera system, suitable for use on compatible Nikon F-mount bodies.

ProsNikon 50mm f/1.2

  • Very wide maximum aperture of f/1.2 provides considerable flexibility in controlling exposure and depth of field
  • 50mm focal length on a full-frame format lens is a classic standard perspective
  • Nikon F mount is one of the most widely supported lens mounts, offering broad body compatibility

ConsNikon 50mm f/1.2

  • No autofocus — manual focus only, which may limit usability in fast-paced shooting situations
  • No image stabilization, which can be a challenge in low-light handheld situations at slower shutter speeds
  • Full-frame coverage means shooters using crop-sensor bodies will not be using the full image circle

Resources & DownloadsNikon 50mm f/1.2

Manuals & Guides

Frequently Asked QuestionsNikon 50mm f/1.2

Does this lens support autofocus?+
No. The Nikkor AI 50mm f/1.2 is a manual focus lens only. There is no autofocus mechanism of any kind, so focus must be set entirely by hand using the focus ring.
What camera mount does this lens use?+
The lens uses the Nikon F mount. It is designed for Nikon F-mount cameras and covers a full-frame image circle.
What filter size does this lens accept?+
The Nikkor AI 50mm f/1.2 has a 52mm filter thread, which is a widely available standard size compatible with a large range of filters and accessories.
Does this lens have image stabilization?+
No, there is no image stabilization on this lens. Shooters will need to rely on shutter speed, camera support, or a stabilized camera body to manage camera shake.
How heavy is this lens?+
The lens weighs 360g, making it a moderately weighted standard prime that should balance comfortably on most Nikon F-mount bodies.
Is this lens suitable for full-frame cameras?+
Yes. The lens format is specified as full frame, meaning it is designed to cover the full-frame image circle without vignetting on compatible full-frame Nikon F-mount bodies.

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