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SONY-E AF 40mm F2 V.02；
1. Fixed edge focusing issues on some models such as the A7C2 and A7M4.
2. Improved focus breathing performance in certain shooting scenarios.
2.Must be upgraded with Windows system
Q：
What should I do if the computer cannot recognize the lens?
A：
1. Check whether the data cable has data transmission function;
2. Check if the lens cap is installed correctly and if there is any damage to the metal contacts of the lens cap;
3.It is recommended to use Win7 and Win10 systems for firmware update;
Q：
What should I do if I have any other questions?
A：
Please keep your proof of purchase and contact the customer service of the store where you purchased it.
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