Using a soft, microfiber cloth

Applying a small amount of lens cleaner

Using a cotton swab

Blowing air onto the lens

Below 40°F (4°C)

Between 40°F (4°C) and 60°F (16°C)

Between 60°F (16°C) and 80°F (27°C)

Above 80°F (27°C)

Using the camera in direct sunlight

Recording long videos

Using a high frame rate

All of the above

Check the battery

Check the power cord

Check the memory card

Reset the camera

Use a sensor cleaning kit

Use a cotton swab

Use a blower

Use a vacuum cleaner

Spots or streaks in images

Blurry images

Camera overheating

Slow autofocus

Every time the camera is used

Once a month

Once a year

As needed

Store batteries in a cool, dry place

Store batteries fully charged

Store batteries in the camera

Store batteries in a sealed container

In a camera bag with padding

In a backpack

In a suitcase

In a plastic bag

Sudden changes in temperature

High humidity

Direct sunlight

Using a lens hood

Wipe it off with a cloth

Blow air onto it

Use a lens warmer

Place the camera in a warm, dry place

Camera not taking pictures

Blurry images

Camera overheating

Slow autofocus

Every time the lens is used

Once a month

Once a year

As needed

Dirty autofocus sensor

Faulty autofocus motor

Incorrect camera settings

Camera overheating

Check the autofocus settings

Clean the autofocus sensor

Calibrate the lens

Reset the camera