Canon PowerShot SX50 HS User Manual page 36

Accessories
Use of genuine Canon accessories is recommended.
This product is designed to achieve excellent performance when used with genuine
Canon accessories.
Canon shall not be liable for any damage to this product and/or accidents such as fire,
etc., caused by the malfunction of non-genuine Canon accessories (e.g., a leakage
and/or explosion of a battery pack). Please note that this warranty does not apply to
repairs arising out of the malfunction of non-genuine Canon accessories, although you
may request such repairs on a chargeable basis.
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