Tamron Canon RF mount Wide Zoom
Tamron 11-20mm f/2.8 Di III-A RXD
Quick answer
The Tamron 11-20mm f/2.8 Di III-A RXD is a ultra-wide wide zoom lens covering 11-20mm at f/2.8 for the Canon RF mount. Its bright maximum aperture handles indoor and evening light reasonably well.
- APS-C (18–32mm equiv.)
- 18 Canon RF cameras
- Focal
- 11–20mm
- Aperture
- f/2.8–16
- Filter
- 67mm
- Min focus
- 0.15m
- AF motor
- RXD
What 11-20mm sees
- APS-C crop 1.6× → 18–32mm
- 68.1–101.7° 58.7–91.3° horizontal
Diagonal angle of view. Frames drawn to scale at 11mm (and 20mm). Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorTamron 11-20mm f/2.8 Di III-A RXD specifications
Optics
- Focal length
- 11-20mm
- Maximum aperture
- f/2.8
- Minimum aperture
- f/16
- Format coverage
- APS-C
- Optical construction
- 12 elements in 10 groups
- Aperture blades
- 7
Focus
- Autofocus motor
- RXD
- Minimum focus distance
- 0.15 m
- Maximum magnification
- 0.25×
Physical
- Weather sealing
- Yes
- Filter thread
- 67 mm
- Diameter
- 73 mm
Specification source: tamron.com
What can you shoot with the Tamron 11-20mm f/2.8 Di III-A RXD?
At 11-20mm this is a ultra-wide wide zoom, which typically suits:
- Landscapes and big skies
- Architecture and interiors
- Astrophotography and night skies
Its bright maximum aperture handles indoor and evening light reasonably well.
Frequently asked questions
What mount does the Tamron 11-20mm f/2.8 Di III-A RXD use?
It uses the Canon RF mount, so it fits Canon RF cameras directly.
What is the focal length of the Tamron 11-20mm f/2.8 Di III-A RXD?
It zooms across 11-20mm with a maximum aperture of f/2.8. That makes it a ultra-wide lens.
Is the Tamron 11-20mm f/2.8 Di III-A RXD a prime or a zoom lens?
It is a zoom lens covering 11-20mm, so you can reframe without moving. Its maximum aperture is f/2.8.
What is the Tamron 11-20mm f/2.8 Di III-A RXD equivalent on a crop sensor?
On APS-C (1.6x crop) it frames like 18–32mm on full frame, with a 58.7–91.3° horizontal and 68.1–101.7° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Tamron 11-20mm f/2.8 Di III-A RXD fit?
Any Canon RF-mount camera, including Canon EOS R, Canon EOS R1, Canon EOS R10, Canon EOS R100, and Canon EOS R3 and 13 more.
Alternatives for Canon RF from other brands
All Canon RF lensesSame mount, overlapping focal range, closest maximum aperture first.
More Tamron lenses for Canon RF
All Tamron lensesOther 11-20mm lenses
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