Standard zoom · Full frame

Nikon Nikkor AI-S 50-135mm f/3.5

The Nikon Nikkor AI-S 50-135mm f/3.5 is a full frame zoom lens (50–135 mm, f/3.5) for Nikon F. It belongs to the standard zoom class — ideal for everyday shooting, travel, events and walkaround use.

50–135 mmf/3.5Nikon F
50–135 mm
Focal length
f/3.5
Maximum aperture
47°–18°
Diagonal angle of view (Full frame)
Full frame
Designed for
2.7×
Zoom ratio

Specifications#

Brand
Nikon
Model
Nikkor AI-S 50-135mm f/3.5
Lens type
Standard zoom
Focal length
50–135 mm
Maximum aperture
f/3.5
Image circle
Full frame (36×24 mm)
Mount(s)
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 50 mmAt 82 mmAt 135 mmEquiv. aperture (DoF)
Full frame50 mm · 47°82 mm · 30°135 mm · 18°f/3.5
APS-C75 mm · 32°123 mm · 20°202 mm · 12°f/5.2
APS-C (Canon)80 mm · 30°131 mm · 19°216 mm · 11°f/5.6
Micro Four Thirds100 mm · 24°164 mm · 15°270 mm · 9°f/7.0

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/4 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
50 mmf/3.58.0 cm33.0 cm2.17 m10.1 m23.9 m1.0%
50 mmf/49.1 cm37.8 cm2.52 m12.4 m20.9 m0.9%
50 mmf/818.4 cm77.6 cm6.14 m218 m10.5 m0.4%
82 mmf/3.52.9 cm12.0 cm77.3 cm3.17 m64.1 m2.8%
82 mmf/43.3 cm13.7 cm88.5 cm3.65 m56.1 m2.4%
82 mmf/86.6 cm27.5 cm1.81 m8.09 m28.1 m1.2%
135 mmf/3.51.0 cm4.3 cm28.1 cm1.14 m174 m7.8%
135 mmf/41.1 cm4.9 cm32.1 cm1.30 m152 m6.8%
135 mmf/82.3 cm9.8 cm64.3 cm2.64 m76.1 m3.4%

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 50 mmNPF at 50 mm, f/3.5
Full frame1/125 s10 s6 s
APS-C1/200 s7 s5 s
APS-C (Canon)1/200 s6 s5 s
Micro Four Thirds1/250 s5 s4 s

Adapt it to other systems#

Frequently asked questions#

Is the Nikon Nikkor AI-S 50-135mm f/3.5 full frame?

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

What is the Nikon Nikkor AI-S 50-135mm f/3.5 equivalent to on APS-C?

On a 1.5× APS-C body it frames like 75–202 mm, and like 80–216 mm on Canon APS-C.

What is the Nikon Nikkor AI-S 50-135mm f/3.5 good for?

As a standard zoom it suits everyday shooting, travel, events and walkaround use.

Sources & licences#

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