#Sigma lens serial number lookup serial number#
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. Now, the latest follow-up notice reads, "Regarding the interchangeable lens SIGMA 28-70mm F2.8 DG DN | Contemporary for mirrorless cameras announced on March 23rd, 2021, as a result of our investigation, there is a possibility that the ghost resistance will deteriorate with some products from the initial lot. Guitar maker Martin, based in Pennsylvania, created a line of inexpensive guitars in 1970 to compete with the increasing number of imported guitars from Japan and elsewhere.The result was Sigma Guitar. There is a lot of unfounded praise levied at these instruments, mostly because of their association to Martin.
Once we know the cause, we will be in touch with the small number of affected customers to advise on whether we will repair their lens or replace it, and how this process will work." Sigma guitars are very nice entry level, backup or stage instruments. "We will suspend all shipments of the applicable product until the cause of this matter has been identified. This falls short of our usual high standards so we are acting as quickly as possible to rectify the issue," the initial notice read. "We have become aware of a potential issue with our recently released SIGMA 28-70 F2.8 DG DN | Contemporary, which could lead to increased ghosting over time in certain shooting conditions.
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