The rumor mill is churning at full speed for Xiaomi's next flagship, and the latest whispers surrounding the Xiaomi 17 Ultra's camera system are too tantalizing to ignore. If the most credible leaks hold true, smartphone photography is about to take a significant leap forward, potentially solving one of mobile imaging's biggest challenges: the gap between fixed focal lengths.
For months, the spotlight has been on a mysterious zoom solution, and now, thanks to a fresh wave of information from the highly reliable Chinese leaker Digital Chat Station, we have our clearest picture yet of what might be in store.
The Great Camera Count Mystery
Before diving into the zoom specifics, it's important to address a key contradiction in the leaks. The backbone of these rumors comes from Digital Chat Station, a source with a proven track record of revealing accurate details months before a product's official launch. While an official reveal for the Xiaomi 17 Ultra is expected in China as early as December or January, the device's final camera configuration remains a topic of debate.
A code leak several weeks ago seemingly confirmed a quad-camera setup on the back of the device. However, this doesn't perfectly align with the resurfaced rumors of a specialized zoom camera with a variable focal length. This discrepancy has led industry watchers to propose two compelling theories:
- An Internal Periscope Zoom: The new leak suggests this could be an advanced periscope-style lens built directly into the phone's body, similar to the implementation in the Sony Xperia 1 VII.
- An External Docking Lens: Another camp of leakers believes this could be a powerful external accessory that physically docks onto one of two potential Xiaomi 17 Ultra models. This would be a spiritual successor to, but far more capable than, the teleconverters used for the Oppo Find X9 Pro and Vivo X300 Pro.
The 200MP Optical Zoom: Aperture Details Revealed
Focusing on the zoom capability itself, Digital Chat Station has now provided a critical technical detail. The leaker describes a potential 200MP sensor paired with Leica optics that offers a true optical zoom range, likely between the equivalent of 70mm and 100mm.
Crucially, we now have the reported aperture values for both ends of this range. According to the leak, the lens would feature an aperture of f/2.3 at the 70mm focal length, which would tighten to f/3.0 when zoomed to 100mm.
This variable aperture is a typical characteristic of traditional zoom lenses, where less light is able to pass through the lens assembly as the focal length increases. While this might present a challenge in extremely low-light situations at the telephoto end, the sheer resolution of the 200MP sensor could allow for computational photography techniques like pixel-binning to compensate, ensuring bright and clear images across the entire zoom range.
The leaker shared this specific information in a recent post, which you can find here on Weibo, noting that these specs are based on a current test device. As with all pre-release information, changes are still possible before the final product hits the market.
What This Means for the Future
If Xiaomi successfully brings a variable optical zoom lens to the 17 Ultra—whether internal or external—it would mark a monumental shift in smartphone camera technology. It would effectively bridge the gap between the standard, wide, and ultra-wide cameras, offering a level of framing flexibility that fixed lenses simply cannot match.
The combination of Leica's legendary optical expertise, a high-resolution 200MP sensor, and true optical zoom could make the Xiaomi 17 Ultra the most versatile camera phone ever created. As we await an official announcement, one thing is certain: the bar for flagship smartphone photography in 2025 is about to be raised, and all eyes are on Xiaomi.

