Standard zoom · APS-C

Nikon Nikkor AF-S 18-70mm f/3.5-4.5G DX IF-ED

The Nikon Nikkor AF-S 18-70mm f/3.5-4.5G DX IF-ED is a APS-C zoom lens (18–70 mm, f/3.5–4.5) for Nikon F. It belongs to the standard zoom class — ideal for everyday shooting, travel, events and walkaround use.

18–70 mmf/3.5–4.5Nikon F
18–70 mm
Focal length
f/3.5–4.5
Maximum aperture
76°–23°
Diagonal angle of view (APS-C)
APS-C
Designed for
3.9×
Zoom ratio

Specifications#

Brand
Nikon
Model
Nikkor AF-S 18-70mm f/3.5-4.5G DX IF-ED
Lens type
Standard zoom
Focal length
18–70 mm
Maximum aperture
f/3.5–4.5
Image circle
APS-C (23.5×15.6 mm)
Mount(s)
Nikon F
Projection
Rectilinear
Autofocus motor
silent wave (AF-S)
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 18 mmAt 35 mmAt 70 mmEquiv. aperture (DoF)
APS-C27 mm · 76°52 mm · 44°105 mm · 23°f/5.2
APS-C (Canon)29 mm · 73°56 mm · 42°112 mm · 22°f/5.6
Micro Four Thirds36 mm · 62°70 mm · 34°140 mm · 18°f/7.0

Depth of field & background blur#

Computed on its native APS-C format (CoC 20 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: 20 mm f/4 on aps-c.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
18 mmf/3.543.4 cm2.03 m∞∞4.75 m0.2%
18 mmf/450.2 cm2.48 m∞∞4.16 m0.2%
18 mmf/81.22 m45.6 m∞∞2.09 m0.1%
35 mmf/3.510.8 cm44.5 cm3.01 m16.1 m17.9 m0.8%
35 mmf/412.4 cm51.0 cm3.53 m21.4 m15.7 m0.7%
35 mmf/825.0 cm1.07 m10.6 m∞7.86 m0.3%
70 mmf/3.52.6 cm10.8 cm69.2 cm2.83 m71.7 m3.1%
70 mmf/43.0 cm12.3 cm79.2 cm3.25 m62.7 m2.7%
70 mmf/85.9 cm24.7 cm1.61 m7.05 m31.4 m1.4%

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 18 mmNPF at 18 mm, f/3.5
APS-C1/100 s19 s13 s
APS-C (Canon)1/125 s17 s13 s
Micro Four Thirds1/125 s14 s12 s

Adapt it to other systems#

Frequently asked questions#

Is the Nikon Nikkor AF-S 18-70mm f/3.5-4.5G DX IF-ED full frame?

No — it is designed for APS-C sensors. On a full-frame body it vignettes or triggers crop mode.

What is the Nikon Nikkor AF-S 18-70mm f/3.5-4.5G DX IF-ED equivalent to on APS-C?

Its focal length is already the real value for APS-C: 18–70 mm frames like 28–107 mm on full frame.

What is the Nikon Nikkor AF-S 18-70mm f/3.5-4.5G DX IF-ED 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