Canon EF 50 mm f/ 1.8 Lens 服务手册

Preparation

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Sufficiently large working space

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Make an open space on your desk

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Do not work in a clutter

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Time

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A few hours should be sufficient

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Tools

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Cross slot (‘+’) micro-screwdriver

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Flat metallic bar

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Straight slot (‘–’) screwdriver can be used

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Container for detached parts

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Small screws can be easily lost

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Cloth for wiping the lens glass