Ultra-wide prime · Full frame

Tokina 17mm f/3.5 RMC II

The Tokina 17mm f/3.5 RMC II is a full frame prime lens (17 mm, f/3.5) for Nikon F. It belongs to the ultra-wide prime class — ideal for astrophotography, landscapes and dramatic perspectives.

17 mmf/3.5Nikon F
17 mm
Focal length
f/3.5
Maximum aperture
104°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Tokina
Model
17mm f/3.5 RMC II
Lens type
Ultra-wide prime
Focal length
17 mm
Maximum aperture
f/3.5
Image circle
Full frame (36×24 mm)
Mount(s)
Nikon F
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 17 mmEquiv. aperture (DoF)
Full frame17 mm · 104°f/3.5
APS-C26 mm · 79°f/5.2
APS-C (Canon)27 mm · 77°f/5.6
Micro Four Thirds34 mm · 65°f/7.0

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: 16 mm f/4 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
17 mmf/3.581.9 cm5.99 m∞∞2.77 m0.1%
17 mmf/498.0 cm10.2 m∞∞2.43 m0.1%
17 mmf/84.89 m∞∞∞1.22 m0.1%

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 17 mmNPF at 17 mm, f/3.5
Full frame1/15 s29 s18 s
APS-C1/25 s20 s14 s
APS-C (Canon)1/25 s18 s14 s
Micro Four Thirds1/30 s15 s13 s

Adapt it to other systems#

Frequently asked questions#

Is the Tokina 17mm f/3.5 RMC II full frame?

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

What is the Tokina 17mm f/3.5 RMC II equivalent to on APS-C?

On a 1.5× APS-C body it frames like 26 mm, and like 27 mm on Canon APS-C.

What is the Tokina 17mm f/3.5 RMC II 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