Standard prime · APS-C

Leica Summilux-TL 1:1.4/35 Asph.

The Leica Summilux-TL 1:1.4/35 Asph. is a APS-C prime lens (35 mm, f/1.4) for L-Mount. It belongs to the standard prime class — ideal for street, documentary, everyday and low-light shooting.

35 mmf/1.4L-Mount
35 mm
Focal length
f/1.4
Maximum aperture
44°
Diagonal angle of view (APS-C)
APS-C
Designed for

Specifications#

Brand
Leica
Model
Summilux-TL 1:1.4/35 Asph.
Lens type
Standard prime
Focal length
35 mm
Maximum aperture
f/1.4
Image circle
APS-C (23.5×15.6 mm)
Mount(s)
L-Mount
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 35 mmEquiv. aperture (DoF)
APS-C52 mm · 44°f/2.1
APS-C (Canon)56 mm · 42°f/2.2
Micro Four Thirds70 mm · 34°f/2.8

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: 35 mm f/1.4 on aps-c.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
35 mmf/1.44.3 cm17.6 cm1.12 m4.69 m44.8 m1.9%
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%

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 35 mmNPF at 35 mm, f/1.4
APS-C1/50 s10 s5 s
APS-C (Canon)1/60 s9 s5 s
Micro Four Thirds1/80 s7 s4 s

Adapt it to other systems#

Frequently asked questions#

Is the Leica Summilux-TL 1:1.4/35 Asph. full frame?

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

What is the Leica Summilux-TL 1:1.4/35 Asph. equivalent to on APS-C?

Its focal length is already the real value for APS-C: 35 mm frames like 54 mm on full frame.

What is the Leica Summilux-TL 1:1.4/35 Asph. 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