Thom's Commentary: A rebrand of the Tamron 70-180mm f/2.8 that originally appeared in the Sony FE-mount. This lens is now the final part of a lower cost and smaller f/2.8 zoom trio (17-28mm, 28-75mm, and now 70-180mm) that is priced lower than the top S-line trio (14-24mm, 24-70mm, 70-200mm). This lower tier of f/2.8 zooms does not include VR, relying upon the camera body to supply image stabilization. Optical performance is emphasized in the central region, but can fall off some in the corners. Like the other Tamron-derived zooms, the front filter thread is 67mm. Recommended Read Thom's review of the 70-180mm f/2.8 lens
- Coverage: full frame (FX)
- Build: dust and drip resistant
- Optic design:
- 19 elements in 14 groups
- 3 aspherical, 1 Super ED, 5 ED elements
- Field of view: 13°40’ to 34°20' diagonal
- Stabilization: none (relies on sensor VR)
- Additional info: compatible with 1.4x and 2x teleconverters
- Aperture:
- f/2.8 to f/22
- 9-blade rounded diaphragm
- Focus:
- autofocus, internal focus
- stepper motor
- 11" (0.27m at wide end, 33" and 0.85m at telephoto) minimum focus
- 1:2 maximum magnification ratio
- Filters: 67mm filter size
- Lens hood: supplied HB-113
- Size and weight:
- 6” (151mm) long
- 3.3” (83.5mm) diameter
- 28 ounces (795g)
- Model number: 20120
- Price: US$1250
- Firmware: 1.00
- Announced: June 20, 2023
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