No I would not use DVD's in your situation. But as a parallel alternative you could keep your camera's SDHC cards (or whatever type they may be) with the original shots; don't erase them. This may be overkill whose only purpose is to give you peace of mind with something in hand. 
On a Mac since 1984.
Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.
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