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Compact black 50mm f/1.8D prime lens with metal mount and 52mm filter thread

Nikon Inc

Nikon Inc 2137 AF NIKKOR 50mm f/1.8D camera lens

SKU CH-XPWK-QHQH1 MPN 2137

A compact 50 mm f/1.8 prime lens for Nikon F mount, offering autofocus with a manual aperture ring and D-type distance data for flash metering

  • Part type or numberSLR Lenses
  • Diameter52 mm
  • Focus systemAuto Manual
  • Lens focal length50 mm
  • Lens apertureMaximum: f/1.8 Minimum: f/22
  • Product formatNikon FX/35 mm Film
  • Fast f/1.8 aperture enables low-light shooting
  • Compact 155g design suits travel photography
  • 50mm focal length gives natural perspective
  • 52mm filter thread accepts screw-on filters
  • D-type design provides distance information for exposure

Compact Prime for Nikon F-Mount

The AF NIKKOR 50mm f/1.8D is a fixed focal-length lens built for Nikon F-mount cameras. It covers both FX and DX formats as well as 35mm film bodies. The fast f/1.8 maximum aperture suits portrait, travel and general photography where shallow depth of field and low-light capability are priorities.

Aperture Ring and Autofocus Limits

The lens offers a maximum aperture of f/1.8 and stops down to f/22 with a seven-blade diaphragm. An aperture ring provides manual control during Live View or video work. Autofocus relies on a camera body with a built-in focus motor; bodies without that motor will only support manual focus.

Lightweight Build and Filter Thread

Weighing approximately 155g, the lens uses a 52mm screw-on filter thread and measures 50mm in focal length. Its six-element, five-group construction includes Super Integrated Coating to reduce flare. The compact barrel and D-type distance encoding make it a practical everyday carry for compatible Nikon SLR and DSLR systems.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $107.99
Cheaper than about 89% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameNikon
Model name2137
Part type or numberSLR Lenses
Product typeFixed Length Lens
Product colorBlack
Audio & video
Focus systemAuto
Manual
Lens focal length50 mm
Lens apertureMaximum: f/1.8 Minimum: f/22
Lens mountNikon F
Viewing angleDX-format: 31.3 degrees
FX-format: 46 degrees
Closest focusing distance1.5 ft (0.46 m)
Optical construction6 elements in 5 groups
Auto-focusYes
Size & build
Diameter52 mm
Filter thread size52 mm
Product dimensions2.5 in × 1.5 in (Diameter × Length)
Product weight5.5 oz
Shipping weight0.29 kg
Package size108 × 103 × 90 mm
Compatibility
Compatible withFX/DX/FX in DX Crop Mode/35 mm Film
More details
Product formatNikon FX/35 mm Film
Magnifying power0.15x

Questions about this item

Should I pick this 50mm f/1.8D or look for a different focal length?

The 50mm focal length matches the classic normal perspective on FX and 35mm film, while on DX it gives a 31.30-degree angle of view equivalent to a short telephoto.

How does the f/1.8 maximum aperture behave on an actual camera?

At f/1.8 the lens gathers ample light for dusk, dawn and dim interiors without flash, and the seven-blade diaphragm produces smooth background blur at close range.

What does the Nikon F mount limit in everyday use?

The F mount works on FX, DX and 35mm film bodies, but autofocus requires a camera with a built-in focus motor; on bodies without that motor you must focus manually.

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