The good news is that, by default, modern iPhones have a "Lens Correction" feature turned on, found under Settings>Camera.
While this is a great way to achieve a higher-quality "zoom" using the technology available, it isn't the same mechanical ...
Take a short walk through your town and you'll find a thousand and one things to photograph but instead of walking around for hours photographing trees, postboxes and buildings one at a time try ...