Nikon NIKKOR Z 600mm f/4 TC VR S Lens (Z) - Manual (Page 17)

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Lens hood
Lens hoods block stray light that would otherwise cause flare or ghosting.
They also serve to protect the lens.
0 “Attaching and Removing the Lens Hood” (p.25)
Clamp knob
Use when attaching the lens hood.
0 “Attaching and Removing the Lens Hood” (p.25)
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Parts of the Lens: Names and Functions
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