Fisheye · APS-C

Nikon Nikkor AF 10.5mm f/2.8G DX ED Fisheye

The Nikon Nikkor AF 10.5mm f/2.8G DX ED Fisheye is a APS-C prime lens (10.5 mm, f/2.8) for Nikon F. It belongs to the fisheye class — ideal for creative ultra-wide views, skateboarding, interiors and all-sky astro.

10.5 mmf/2.8Nikon F
10.5 mm
Focal length
f/2.8
Maximum aperture
107°
Diagonal angle of view (APS-C)
APS-C
Designed for

Specifications#

Brand
Nikon
Model
Nikkor AF 10.5mm f/2.8G DX ED Fisheye
Lens type
Fisheye
Focal length
10.5 mm
Maximum aperture
f/2.8
Image circle
APS-C (23.5×15.6 mm)
Mount(s)
Nikon F
Projection
Fisheye
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 10.5 mmEquiv. aperture (DoF)
APS-C16 mm · 107°f/4.2
APS-C (Canon)17 mm · 104°f/4.5
Micro Four Thirds21 mm · 92°f/5.6

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: 14 mm f/2.8 on aps-c.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
10.5 mmf/2.81.30 m168 m∞∞2.02 m0.1%
10.5 mmf/42.77 m∞∞∞1.42 m0.1%
10.5 mmf/8∞∞∞∞71.5 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 10.5 mmNPF at 10.5 mm, f/2.8
APS-C1/15 s32 s20 s
APS-C (Canon)1/15 s30 s20 s
Micro Four Thirds1/20 s24 s19 s

Adapt it to other systems#

Frequently asked questions#

Is the Nikon Nikkor AF 10.5mm f/2.8G DX ED Fisheye 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 10.5mm f/2.8G DX ED Fisheye equivalent to on APS-C?

Its focal length is already the real value for APS-C: 10.5 mm frames like 16 mm on full frame.

What is the Nikon Nikkor AF 10.5mm f/2.8G DX ED Fisheye good for?

As a fisheye it suits creative ultra-wide views, skateboarding, interiors and all-sky astro.

Sources & licences#

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