Specifications#
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 70 mm | At 121 mm | At 210 mm | Equiv. aperture (DoF) |
|---|---|---|---|---|
| Full frame | 70 mm · 34° | 121 mm · 20° | 210 mm · 12° | f/3.5 |
| APS-C | 105 mm · 23° | 182 mm · 13° | 315 mm · 8° | f/5.2 |
| APS-C (Canon) | 112 mm · 22° | 194 mm · 13° | 336 mm · 7° | f/5.6 |
| Micro Four Thirds | 140 mm · 18° | 242 mm · 10° | 420 mm · 6° | 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: 85 mm f/4 on full frame.
| Focal | Aperture | at 1 m | at 2 m | at 5 m | at 10 m | Hyperfocal | Blur @2 m |
|---|---|---|---|---|---|---|---|
| 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% |
| 121 mm | f/3.5 | 1.3 cm | 5.4 cm | 35.0 cm | 1.42 m | 140 m | 6.2% |
| 121 mm | f/4 | 1.4 cm | 6.2 cm | 40.1 cm | 1.63 m | 122 m | 5.4% |
| 121 mm | f/8 | 2.9 cm | 12.3 cm | 80.5 cm | 3.33 m | 61.1 m | 2.7% |
| 210 mm | f/3.5 | 0.4 cm | 1.7 cm | 11.4 cm | 46.6 cm | 420 m | 19.6% |
| 210 mm | f/4 | 0.4 cm | 1.9 cm | 13.0 cm | 53.3 cm | 368 m | 17.1% |
| 210 mm | f/8 | 0.9 cm | 3.9 cm | 26.1 cm | 1.07 m | 184 m | 8.6% |
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 70 mm | NPF at 70 mm, f/3.5 |
|---|---|---|---|
| Full frame | 1/200 s | 7 s | 4 s |
| APS-C | 1/320 s | 5 s | 3 s |
| APS-C (Canon) | 1/320 s | 4 s | 3 s |
| Micro Four Thirds | 1/400 s | 4 s | 3 s |
Compatible cameras#
Bodies in our database with a native Canon EF mount.
- Canon EOS-1D X Mark III 2020
- Canon EOS 6D Mark II 2017
- Canon EOS 5D Mark IV 2016
- Canon EOS-1D X Mark II 2016
- Canon EOS 5DS 2015
- Canon EOS 5DS R 2015
- Blackmagic Design Pocket Cinema Camera 2013
- Canon EOS 5D Mark III 2012
- Canon EOS 6D 2012
- Canon EOS-1D X 2012
- Canon EOS-1D C 2012
- Canon EOS-1D Mark IV 2009
- Canon EOS 5D Mark II 2008
- Canon EOS-1Ds Mark III 2007
- Canon EOS-1D Mark III 2007
- Canon EOS 5D 2005
- Canon EOS-1Ds Mark II 2004
- Kodak DCS Pro SLR/c 2004
- Canon EOS-1D Mark II 2004
- Canon EOS 30V 2004
- Canon EOS-1Ds 2002
- Canon EOS 3000N 2002
- Canon EOS 300V 2002
- Canon EOS-1D 2001
- Canon EOS-1V 2000
- Canon EOS 30 2000
- Canon EOS D2000 1998
- Canon EOS-3 1998
- Canon EOS 500N 1996
- Canon EOS IX 1996
- Canon EOS 50 1995
- Canon EOS-1N 1994
- Canon EOS 500 1993
- Canon EOS 5 1992
- Canon EF-M camera 1991
- Canon EOS 100 1991
- Canon EOS 1000 1990
- Canon EOS-1 1989
- Canon EOS 650 1987
- Canon EOS C300
Adapt it to other systems#
Similar lenses#
- Canon EF 70-200mm f/2.8L IS II USM f/2.8
- Sigma 70-200mm F2.8 DG OS HSM | S f/2.8
- Canon EF 70-200mm f/2.8L IS II USM + EF 2× III ext. f/2.8
- Canon EF 70-200mm f/2.8L IS USM f/2.8
- Canon EF 70-200mm f/2.8L IS USM + EF 1.4× ext. f/2.8
- Canon EF 70-200mm f/2.8L IS USM + EF 2× II ext. f/2.8
- Canon EF 70-200mm f/2.8L USM f/2.8
- Canon EF 70-200mm f/4L IS USM f/4
- Canon EF 70-200mm f/4L USM f/4
- Canon EF 70-200mm f/4L USM + EF 1.4× ext. f/4
- Canon EF 70-210mm f/4 f/4
- Canon EF 70-300mm f/4-5.6 IS II USM f/4–5.6
Frequently asked questions#
Is the Canon EF 70-210mm f/3.5-4.5 USM full frame?
Yes — it covers the full 36 × 24 mm frame.
What is the Canon EF 70-210mm f/3.5-4.5 USM equivalent to on APS-C?
On a 1.5× APS-C body it frames like 105–315 mm, and like 112–336 mm on Canon APS-C.
What is the Canon EF 70-210mm f/3.5-4.5 USM good for?
As a telephoto zoom it suits sport, wildlife, events and compressed landscapes.
Sources & licences#
- Lensfun lens database — CC BY-SA 3.0
Last updated October 03, 2026 · How we calculate · Sources