Standard prime · Full frame

Nikon Nikkor AI-S 58mm f/1.2 Noct

The Nikon Nikkor AI-S 58mm f/1.2 Noct is a full frame prime lens (58 mm, f/1.2) for Nikon F and Nikon F. It belongs to the standard prime class — ideal for street, documentary, everyday and low-light shooting.

58 mmf/1.2Nikon FNikon F
58 mm
Focal length
f/1.2
Maximum aperture
41°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Nikon
Model
Nikkor AI-S 58mm f/1.2 Noct
Lens type
Standard prime
Focal length
58 mm
Maximum aperture
f/1.2
Image circle
Full frame (36×24 mm)
Mount(s)
Nikon F, Nikon F
Projection
Rectilinear
Lensfun correction profile
Yes — distortion/vignetting/TCA

Equivalent focal length on different cameras#

Field of view and depth-of-field equivalence when this lens is used on bodies with different sensor sizes (natively or via an adapter).

Camera formatAt 58 mmEquiv. aperture (DoF)
Full frame58 mm · 41°f/1.2
APS-C87 mm · 27°f/1.8
APS-C (Canon)93 mm · 26°f/1.9
Micro Four Thirds116 mm · 21°f/2.4

Depth of field & background blur#

Computed on its native Full frame format (CoC 30 µm). “Blur @2 m” is the size of an out-of-focus point at infinity, as a percentage of frame width, with the subject at 2 m — a simple bokeh index. Full table: 50 mm f/1.2 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
58 mmf/1.22.0 cm8.3 cm53.0 cm2.15 m93.5 m4.0%
58 mmf/46.7 cm27.8 cm1.82 m8.11 m28.1 m1.2%
58 mmf/813.5 cm56.5 cm4.03 m28.5 m14.1 m0.6%

Handheld & night-sky limits#

NPF assumes typical 20–24 MP sensors (≈6 µm pixels on full frame, ≈3.9 µm on APS-C, ≈3.3 µm on Micro Four Thirds).

BodyMin. handheld shutter (longest focal)500 rule at 58 mmNPF at 58 mm, f/1.2
Full frame1/60 s9 s4 s
APS-C1/80 s6 s3 s
APS-C (Canon)1/100 s5 s3 s
Micro Four Thirds1/125 s4 s2 s

Adapt it to other systems#

Frequently asked questions#

Is the Nikon Nikkor AI-S 58mm f/1.2 Noct full frame?

Yes — it covers the full 36 × 24 mm frame.

What is the Nikon Nikkor AI-S 58mm f/1.2 Noct equivalent to on APS-C?

On a 1.5× APS-C body it frames like 87 mm, and like 93 mm on Canon APS-C.

What is the Nikon Nikkor AI-S 58mm f/1.2 Noct good for?

As a standard prime it suits street, documentary, everyday and low-light shooting.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources

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