Current as of 2019/10/09Instruction Manual for21150 Extension Ring 50 with Lock IIIFOREWORDThank you for your purchase of a NAUTICAM product.At NAUTICAM, we pride ourselves in the ability to recognise the requirementsof professional as well as amateur underwater photographers and fulfill themthrough the innovative designs of our products. We strive to achieve a highlevel of user-friendliness by allowing stress-free installation and easyoperation of all important functions of the camera.Each product is individually inspected and water pressure tested to ensureoptimum quality.Please read this manual carefully before using the product, this will maximiseits performance as well as its lifetime.WARRANTYAll NAUTICAM Products are warranted against any material andmanufacturing defects for two years from the date of purchase for consumeruse. This warranty only applies to products purchased from authorisedNAUTICAM dealers and does not extend beyond the original retail purchaser.To return your product for service, please contact your regional authorizedservice centre(s). Please note that this warranty only applies when the productis purchased in the territory where the service centre is located.NAUTICAM does not hold responsibility for damage, of any nature, to anyequipment used with and/or placed within our products.NAUTICAM accepts no liability for any loss of captured images or the inabilityto capture images even if it is due to the malfunctioning of our products.Unauthorised modifications and/or repairs of our products will automaticallyinvalidate the warranty.IDENTIFICATION OF PARTSMOUNTING THE EXTENSION RING ON A PORTConfirm that the extension ring is unlocked, with the locking pin pointingupwards as shown.Align the "I" mark on the extension ring with the WHITE dot on the port.Gently push the extension ring towards the port until it cannot go anyfurther.--- continue on next page ---Locking pinExtension ringAlignment “I”markAlignment“O” markLocking tab for use with earlier version “pin locking” extension rings