(Image credit: Sanuj Bhatia / Tom's Guide) I've been saying this for years: brands like Samsung and Apple need to pick up the pace when it comes to camera hardware and imaging tech, and the Oppo Find X9 Ultra was the most recent phone to prove that point. While the iPhone 17 Pro Max tops out at around 8x optical zoom, the Find X9 Ultra pushed that to 10x optical zoom, with an option to go up to 20x using sensor crop. The Huawei Pura 90 Pro Max has a 10-step variable aperture camera (Image credit: Sanuj Bhatia / Tom's Guide) I was in Thailand this week for the launch of Huawei's Fit 5 Pro smartwatch and MatePad Pro Max, but I also got some hands-on time with the company's new Pura 90 Pro Max. The phone launched recently in China, alongside a new foldable that offers a similar form factor as the iPhone Fold , but there's still no word on a global release. If you haven't been paying attention, Pura is Huawei's camera-focused flagship lineup.…