Standard prime · Full frame

Sigma 65mm F2 DG DN | Contemporary 020

The Sigma 65mm F2 DG DN | Contemporary 020 is a full frame prime lens (65 mm, f/2) for Sony E-mount and L-Mount. It belongs to the standard prime class — ideal for street, documentary, everyday and low-light shooting.

65 mmf/2Sony E-mountL-Mount
65 mm
Focal length
f/2
Maximum aperture
37°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Sigma
Model
65mm F2 DG DN | Contemporary 020
Lens type
Standard prime
Focal length
65 mm
Maximum aperture
f/2
Image circle
Full frame (36×24 mm)
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 65 mmEquiv. aperture (DoF)
Full frame65 mm · 37°f/2.0
APS-C98 mm · 24°f/3.0
APS-C (Canon)104 mm · 23°f/3.2
Micro Four Thirds130 mm · 19°f/4.0

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/2 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
65 mmf/22.7 cm11.0 cm70.4 cm2.88 m70.5 m3.0%
65 mmf/45.3 cm22.1 cm1.43 m6.13 m35.3 m1.5%
65 mmf/810.7 cm44.5 cm3.04 m16.6 m17.7 m0.8%

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 65 mmNPF at 65 mm, f/2
Full frame1/60 s8 s4 s
APS-C1/100 s5 s3 s
APS-C (Canon)1/100 s5 s3 s
Micro Four Thirds1/125 s4 s3 s

Adapt it to other systems#

Frequently asked questions#

Is the Sigma 65mm F2 DG DN | Contemporary 020 full frame?

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

What is the Sigma 65mm F2 DG DN | Contemporary 020 equivalent to on APS-C?

On a 1.5× APS-C body it frames like 98 mm, and like 104 mm on Canon APS-C.

What is the Sigma 65mm F2 DG DN | Contemporary 020 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