Tamron 35-70mm f/3.5 CF Macro Specs & DoF

35–70 mm

Focal length

f/3.5

Maximum aperture

63°–34°

Diagonal angle of view (Full frame)

Full frame

Designed for

2.0×

Zoom ratio

Specifications#

Brand: Tamron
Model: 35-70mm f/3.5 CF Macro
Lens type: Macro
Focal length: 35–70 mm
Maximum aperture: f/3.5
Image circle: Full frame (36×24 mm)
Mount(s): Nikon F, Pentax K
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 format	At 35 mm	At 49 mm	At 70 mm	Equiv. aperture (DoF)
Full frame	35 mm · 63°	49 mm · 48°	70 mm · 34°	f/3.5
APS-C	52 mm · 44°	74 mm · 32°	105 mm · 23°	f/5.2
APS-C (Canon)	56 mm · 42°	78 mm · 31°	112 mm · 22°	f/5.6
Micro Four Thirds	70 mm · 34°	98 mm · 25°	140 mm · 18°	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: 35 mm f/4 on full frame.

Focal	Aperture	at 1 m	at 2 m	at 5 m	at 10 m	Hyperfocal	Blur @2 m
35 mm	f/3.5	16.7 cm	69.3 cm	5.20 m	63.2 m	11.7 m	0.5%
35 mm	f/4	19.1 cm	80.0 cm	6.37 m	414 m	10.2 m	0.4%
35 mm	f/8	39.2 cm	1.81 m	181 m	∞	5.14 m	0.2%
49 mm	f/3.5	8.3 cm	34.4 cm	2.27 m	10.7 m	22.9 m	1.0%
49 mm	f/4	9.5 cm	39.4 cm	2.64 m	13.2 m	20.1 m	0.9%
49 mm	f/8	19.2 cm	81.1 cm	6.55 m	1.9 km	10.1 m	0.4%
70 mm	f/3.5	4.0 cm	16.6 cm	1.07 m	4.46 m	46.7 m	2.0%
70 mm	f/4	4.6 cm	18.9 cm	1.23 m	5.17 m	40.9 m	1.8%
70 mm	f/8	9.1 cm	38.2 cm	2.56 m	12.7 m	20.5 m	0.9%

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).

Body	Min. handheld shutter (longest focal)	500 rule at 35 mm	NPF at 35 mm, f/3.5
Full frame	1/80 s	14 s	9 s
APS-C	1/100 s	10 s	7 s
APS-C (Canon)	1/125 s	9 s	7 s
Micro Four Thirds	1/125 s	7 s	6 s

Compatible cameras#

Bodies in our database with a native Nikon F and Pentax K mount.

Adapt it to other systems#

Sony E-mount Canon RF Nikon Z Fujifilm X-mount Micro Four Thirds L-Mount Canon EF-M Fujifilm G-mount Hasselblad XCD Nikon 1 (CX)Pentax Q Samsung NX Canon EF Pentax K

Similar lenses#

Pentax smc Pentax-DA 35mm f/2.8 Macro Limited f/2.8
Tokina AT-X M35 PRO DX (AF 35mm f/2.8 Macro) f/2.8
Nikon Nikkor AF-S 40mm f/2.8G DX Micro f/2.8
Sigma 28-300mm f/3.5-6.3 Macro ASP IF f/3.5–6.3
Tamron AF 28-300mm f/3.5-6.3 XR Di VC LD Aspherical (IF) Macro f/3.5–6.3
Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Macro f/2.8
Pentax smc Pentax-M Macro 1:4 50mm f/4
Sigma 24-70mm f/2.8 EX DG Macro f/2.8
Tamron SP AF 24-135mm f/3.5-5.6 AD Aspherical (IF) Macro f/3.5–5.6
Nikon Nikkor 55mm f/3.5 Micro f/3.5
Nikon Nikkor AI-S 55mm f/2.8 Micro f/2.8
Laowa 60mm f/2.8 2X Ultra-Macro f/2.8

Frequently asked questions#

Is the Tamron 35-70mm f/3.5 CF Macro full frame?

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

What is the Tamron 35-70mm f/3.5 CF Macro equivalent to on APS-C?

On a 1.5× APS-C body it frames like 52–105 mm, and like 56–112 mm on Canon APS-C.

What is the Tamron 35-70mm f/3.5 CF Macro good for?

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

Sources & licences#

Lensfun lens database — CC BY-SA 3.0