Sigma 28-70mm F2.8 DG DN: Ghost Resistance Deterioration a Problem

[Important Notice] For customers using SIGMA 28-70mm F2.8 DG DN | Contemporary
Dear customers

Thank you for your continued patronage of our products. Regarding the interchangeable lens ” SIGMA 28-70mm F2.8 DG DN | Contemporary ” for mirrorless cameras announced on March 23, 2021, as a result of investigation, ghost resistance may deteriorate in some products for the initial lot. I came to the conclusion that sex cannot be denied. In addition, since we have confirmed the countermeasures by process management regarding this matter, we would like to inform you below that we would like to collect all the products with the target serial number and replace them with new ones.

[Target product and serial number]
Target product: SIGMA 28-70mm F2.8 DG DN | Contemporary (for L mount, Sony E mount)
Serial number: Prior to 55488834 regardless of mount * Please check with one of the following ..

[Correspondence of this case]

We will respond by exchanging the corresponding product with a new one.

[Exchange application]
We have prepared a dedicated application form. Sorry to trouble you, but please apply from the following URL.
Application form:

* Products will be shipped sequentially from April 20th (Tuesday).
* At the beginning of acceptance, it may take up to 2 weeks for the replacement product to be returned. In addition, please note that the reception business will be suspended from April 29th (Thursday) to May 5th (Wednesday) due to the holiday period.

Sales of this product are scheduled to resume after May.

We sincerely apologize for the inconvenience caused to customers who are using this product and those who are waiting for their purchase.

Sigma Co., Ltd. Customer Support Department
Free call: 0120-9977-88 (Monday-Saturday: 9: 00-18: 00)
(For mobile phone users, please contact 044-989-7436. .)
Email inquiries:

Sigma 28-70mm F2.8 DG DN Contemporary:
B&H Photo / Amazon / Adorama

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