The newly released Sony A7 V has taken the Japanese market by storm, dethroning the 100MP flagship camera and becoming the top-selling mirrorless camera. This blockbuster debut showcases Sony's A7 series' fifth generation, featuring a 33MP partially stacked sensor, faster readout speeds, and an AI-integrated processing engine. With blackout-free continuous shooting at up to 30fps and enhanced Eye AF, it's an instant hit among enthusiasts and professionals alike. But here's the twist: the Fujifilm X-T30 III lens kit, released just days before, is right on its heels, securing second place. This compact APS-C body with a fast image processor and AI-based subject detection is a strong contender, reinforcing Fujifilm's photography-first appeal. The chart reveals a mix of new releases and established favorites, with Sony and Canon maintaining strong visibility. The Hasselblad X2D II 100C, a 100MP medium format camera, holds the eighth position, showcasing Japan's appetite for high-end photographic tools. This dynamic market highlights the impact of well-timed launches during the holiday season, reshaping the camera charts almost overnight. As 2026 begins, the question remains: will these new leaders maintain their positions, or will the fast-moving camera market surprise us again?