User's Manual

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Note: Please read the instruction manual carefully for
correct use and safe storage. We do not take responsibility
for personal injury or damage to the product if these
instructions have not been adhered to.
Safety tip: Do not leave the lens pointed toward the sun
which may damage your eyes and the camera. Insert the lens
cap when the camera is not in use. Due to light reflection,
there is a fire hazard if the glass is left exposed in sunlight.
Tips for sunstars from F4-F22
This lens creates a 10 bladed sunstar even at F4. We
suggest that you use the best aperture that is ideal for your
composition. Too small an aperture will result in a reduction
of image quality.
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Keep the lens away from dust and humid environments.
Avoid direct clashes with other objects.
Use an air blower to clean dust on the lens before using
other cleaning tools.
Transport and storage: Permitted temperature range for
use:-10℃~50℃
Store the lens in a dry cabinet when in high humidity
locations or when unused.