Macro · Full frame

Tamron SP AF 90mm f/2.8 Di Macro 1:1

The Tamron SP AF 90mm f/2.8 Di Macro 1:1 is a full frame prime lens (90 mm, f/2.8) for Nikon F, Canon EF, Pentax K and Sony / Minolta A-mount. It belongs to the macro class — ideal for close-ups of insects, flowers, products and details at up to life size.

90 mmf/2.8Nikon FCanon EFPentax K
90 mm
Focal length
f/2.8
Maximum aperture
27°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Tamron
Model
SP AF 90mm f/2.8 Di Macro 1:1
Lens type
Macro
Focal length
90 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 90 mmEquiv. aperture (DoF)
Full frame90 mm · 27°f/2.8
APS-C135 mm · 18°f/4.2
APS-C (Canon)144 mm · 17°f/4.5
Micro Four Thirds180 mm · 14°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: 85 mm f/2.8 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
90 mmf/2.81.9 cm7.9 cm51.1 cm2.08 m96.5 m4.2%
90 mmf/42.7 cm11.3 cm73.1 cm3.00 m67.6 m2.9%
90 mmf/85.4 cm22.7 cm1.49 m6.43 m33.8 m1.5%

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 90 mmNPF at 90 mm, f/2.8
Full frame1/100 s6 s3 s
APS-C1/125 s4 s2 s
APS-C (Canon)1/160 s3 s2 s
Micro Four Thirds1/200 s3 s2 s

Adapt it to other systems#

Frequently asked questions#

Is the Tamron SP AF 90mm f/2.8 Di Macro 1:1 full frame?

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

What is the Tamron SP AF 90mm f/2.8 Di Macro 1:1 equivalent to on APS-C?

On a 1.5× APS-C body it frames like 135 mm, and like 144 mm on Canon APS-C.

What is the Tamron SP AF 90mm f/2.8 Di Macro 1:1 good for?

As a macro it suits close-ups of insects, flowers, products and details at up to life size.

Sources & licences#

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