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Germany preorder
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Tamron Press Release concerning AF issues
Thank you very much for your continued support of Tamron products.
We discovered that combination of our lens 28-75 mm F / 2.8 Di III RXD (Model A 036) which was released on May 24 and Sony mirrorless camera, if you are in movie shooting and using AF does not operate properly under some circumstances.
We are investigating now and plan to respond by updating firmware.
Firmware update can be made using Sony mirrorless camera. For details, we will show you on the "support information" page at a later date.
In addition, if you register for Tamron Lens Life Members and you are requesting e-mail newsletters, we will inform you by email magazine as soon as details are known.
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Review
Center sharpness at 28mm is outstanding between f/2.8 and f/16. At f/22 sharpness is beginning to drop off a little due to diffraction. Edge sharpness is best between f/5.6 and f/11.
At 75mm center sharpness is a little soft at f/2.8, good at f/4 and outstanding between f/5.6 and f/16. At f/22 sharpness is beginning to drop off a little due to diffraction. Edge sharpness is best between f/8 and f/16.
http://www.photographyblog.com/reviews/tamron_28_75mm_f2_8_di_iii_rxd_review/
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New Firmware
- Autofocusing operation and loss of focus
- Flicker on peripheral parts of the image when zooming
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US PR for same firmware
Notice about Firmware Update for Tamron 28-75mm F/2.8 Di III RXD (Model A036)
Dear users and potential purchasers of Tamron interchangeable lenses.
Thank you for using Tamron products.
We are pleased to inform you that the firmware update for the 28-75mm F/2.8 Di III RXD (Model A036) for Sony E-mount, full-frame mirrorless cameras, is now available. The firmware update is available through Sony E-mount camera bodies.
Please review the information below.
Affected model
28-75mm F/2.8 Di III RXD (Model A036)
Firmware version
Ver.2
Improvements
This update improves known issues for autofocus with Sony E-mount mirrorless cameras, when the range of focus search distance is broad, in video recording mode.
Tap for more details.
How to Update
The lens firmware can be updated using cameras that support this lens firmware update. Tap for more details.
How to Check your Lens Firmware Version
From your camera's menu screen, please select "Setup" then "Display version."
Inquiries regarding this matter
Please contact your local Tamron distributor. http://www.tamron.com/en/#distributors
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