Panasonic Lumix S 70-300 mm F4.5-5.6 MACRO O.I.S. Operating Instructions Manual page 22

Note
When carrying, the lens hood can be attached in the
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reverse direction.
1 Align mark B ( ) on the lens hood with the mark
on the tip of the lens.
2 Attach the lens hood by rotating it in the direction of
the arrow until it clicks.

It is recommended to remove the lens hood during
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flash photography as the lens hood can block the light
from the flash.
To prevent dropping of the lens, you should never carry
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the lens by just holding the lens hood.
22
DVQX2162
(ENG)
∫ Notes on filter use
It is possible to attach the lens cap or the lens hood
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with the filter already attached.
There may be some vignetting in recorded images if
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multiple filters are attached simultaneously.
It is not possible to attach any items other than filters
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such as a conversion lens or adaptor to the front of the
lens and use it in combination with this lens.
Lens damage may result if such items are attached.