Superzoom · APS-C

Sony E 18-135mm f/3.5-5.6 OSS

The Sony E 18-135mm f/3.5-5.6 OSS is a APS-C zoom lens (18–135 mm, f/3.5–5.6) for Sony E-mount. It belongs to the superzoom class — ideal for travel photography with one lens from wide to telephoto.

18–135 mmf/3.5–5.6Sony E-mount
18–135 mm
Focal length
f/3.5–5.6
Maximum aperture
76°–12°
Diagonal angle of view (APS-C)
APS-C
Designed for
7.5×
Zoom ratio

Specifications#

Brand
Sony
Model
E 18-135mm f/3.5-5.6 OSS
Lens type
Superzoom
Focal length
18–135 mm
Maximum aperture
f/3.5–5.6
Image circle
APS-C (23.5×15.6 mm)
Mount(s)
Sony E-mount
Projection
Rectilinear
Stabilisation
Yes (optical)
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 49 mmAt 135 mmEquiv. aperture (DoF)
APS-C27 mm · 76°74 mm · 32°202 mm · 12°f/5.2
APS-C (Canon)29 mm · 73°78 mm · 31°216 mm · 11°f/5.6
Micro Four Thirds36 mm · 62°98 mm · 25°270 mm · 9°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%
49 mmf/3.55.4 cm22.3 cm1.44 m6.17 m35.1 m1.5%
49 mmf/46.2 cm25.5 cm1.66 m7.25 m30.7 m1.3%
49 mmf/812.4 cm51.7 cm3.60 m22.4 m15.4 m0.7%
135 mmf/3.50.6 cm2.8 cm18.3 cm74.2 cm266 m11.9%
135 mmf/40.7 cm3.2 cm20.9 cm84.8 cm233 m10.4%
135 mmf/81.5 cm6.4 cm41.8 cm1.71 m117 m5.2%

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-C1/200 s19 s13 s
APS-C (Canon)1/200 s17 s13 s
Micro Four Thirds1/250 s14 s12 s

Adapt it to other systems#

Frequently asked questions#

Is the Sony E 18-135mm f/3.5-5.6 OSS full frame?

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

What is the Sony E 18-135mm f/3.5-5.6 OSS equivalent to on APS-C?

Its focal length is already the real value for APS-C: 18–135 mm frames like 28–207 mm on full frame.

What is the Sony E 18-135mm f/3.5-5.6 OSS good for?

As a superzoom it suits travel photography with one lens from wide to telephoto.

Sources & licences#

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

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