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Nikon AI-S Nikkor 50mm f/1.8

Photo: aaronx (CC BY 2.0)

AI-S Nikkor 50mm f/1.8

  • 50mm
  • f/1.8
  • Prime

Quick answer

A light manual-focus 50mm f/1.8 with a 6-element, 5-group design and a 52mm filter thread. It weighs about 220g and focuses down to 0.45m.

Pros

  • Light at about 220g
  • Close focus of 0.45m
  • 52mm filter thread
  • Sharp when stopped down

Cons

  • Manual focus only
  • Basic coatings
  • Soft wide open

Verdict

A light, sound manual 50mm.

About this lens

The Nikon AI-S Nikkor 50mm f/1.8 is a fast standard prime lens covering 50mm at f/1.8 for Nikon F mount cameras. The natural field of view suits street, documentary and everyday photography.

Nikon AI-S Nikkor 50mm f/1.8 specifications

Brand
Nikon
Mount
Nikon F
Focal length
50mm
Maximum aperture
f/1.8
Lens type
Prime
Format coverage
full-frame
Optical construction
6 elements in 5 groups
Autofocus motor
none
Filter thread
52 mm

Specification source: en.wikipedia.org

What can you shoot with the Nikon AI-S Nikkor 50mm f/1.8?

  • Learning film photography
  • Portraits
  • Adapted use on Z

Its fast maximum aperture helps in dim light and gives good subject separation.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor Crop Equivalent Horizontal FOV Diagonal FOV
Full frame 1.0x 50mm 39.6° 46.8°
APS-C 1.5x 75mm 27° 32.2°

Try the field-of-view calculator

Frequently asked questions

Is the Nikon 50mm f/1.8 AI-S sharp?

It is sharp once stopped down to about f/2.8. Wide open it is a little soft.

Can I use the 50mm f/1.8 AI-S on Z cameras?

Yes, via the FTZ or FTZ II adapter. Focus is manual, and entering the lens data in the camera menu enables metering and lets in-body stabilization work.

What is the minimum focus distance of the 50mm f/1.8 AI-S?

0.45m.

Alternatives for Nikon F from other brands

All Nikon F lenses

Same mount, overlapping focal range, closest maximum aperture first.

More Nikon lenses for Nikon F

All Nikon lenses

Other 50mm lenses

All 50mm lenses

Cameras that fit the Nikon F mount

All Nikon F cameras (40)