Excuse me, how to cover the lens bayonet cover?

The lens has front and rear protective covers, the front cover is easy to open and the back cover is a spiral bayonet. Hold the fixed part of the lens with the other hand and hold the protective cover, then turn it counterclockwise for a quarter turn to open the back cover. When not using the lens, you should wear a protective cover to avoid damaging the lens. Hold the fixed part of the lens, hold the protective cover with the other hand and rotate it clockwise to the bayonet.

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