Nikon Z 50 Reference Manual page 510

Precautions for Use
• Do not pick up or hold the lens or camera using only the lens
hood.
• Keep the CPU contacts clean.
• Due to the design of the vibration reduction system, the lens
may rattle when shaken. This does not indicate a malfunction.
• Replace the front and rear lens caps when the lens is not in use.
• To protect the interior of the lens, store it out of direct sunlight.
• Do not leave the lens in humid locations or in locations in
which it may be exposed to moisture. Rusting of the internal
mechanism can cause irreparable damage.
• Do not leave the lens next to open flames or in other extremely
hot locations. Extreme heat could damage or warp exterior
parts made from reinforced plastic.
• Rapid changes in temperature may cause damaging
condensation inside and outside the lens. Before taking the
lens from a warm to a cold environment or vice versa, place it in
a bag or plastic case to slow the change in temperature.
• We recommend that you place the lens in a case (available
separately) to protect it from scratches during transport.
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Technical Notes
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NIKKOR Z DX 50–250mm f/4.5–6.3 VR Lens User's Manual