Ultra-wide prime · Full frame

Samyang 10mm f/2.8 ED AS NCS CS

The Samyang 10mm f/2.8 ED AS NCS CS is a full frame prime lens (10 mm, f/2.8) for Canon EF, Canon EF-M, Fujifilm X-mount, Micro Four Thirds, Nikon F, Pentax K, Samsung NX, Sony / Minolta A-mount and Sony E-mount. It belongs to the ultra-wide prime class — ideal for astrophotography, landscapes and dramatic perspectives.

10 mmf/2.8Canon EFCanon EF-MFujifilm X-mount
10 mm
Focal length
f/2.8
Maximum aperture
130°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Samyang
Model
10mm f/2.8 ED AS NCS CS
Lens type
Ultra-wide prime
Focal length
10 mm
Maximum aperture
f/2.8
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 10 mmEquiv. aperture (DoF)
Full frame10 mm · 130°f/2.8
APS-C15 mm · 109°f/4.2
APS-C (Canon)16 mm · 107°f/4.5
Micro Four Thirds20 mm · 95°f/5.6

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: 14 mm f/2.8 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
10 mmf/2.85.39 m∞∞∞1.20 m0.0%
10 mmf/4∞∞∞∞84.3 cm0.0%
10 mmf/8∞∞∞∞42.7 cm0.0%

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 10 mmNPF at 10 mm, f/2.8
Full frame1/10 s50 s28 s
APS-C1/15 s33 s22 s
APS-C (Canon)1/15 s31 s21 s
Micro Four Thirds1/20 s25 s20 s

Adapt it to other systems#

Frequently asked questions#

Is the Samyang 10mm f/2.8 ED AS NCS CS full frame?

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

What is the Samyang 10mm f/2.8 ED AS NCS CS equivalent to on APS-C?

On a 1.5× APS-C body it frames like 15 mm, and like 16 mm on Canon APS-C.

What is the Samyang 10mm f/2.8 ED AS NCS CS good for?

As a ultra-wide prime it suits astrophotography, landscapes and dramatic perspectives.

Sources & licences#

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