SUMMARY

Sony's new FE 100-400mm f/4.5 GM OSS lens has rapidly ascended to the number one spot in Japan's best-selling lens rankings, according to retailer Yodobashi sales data. This marks an impressive debut for the lens, which Sony claims is the world's first full-frame mirrorless zoom with a constant f/4.5 aperture. The new optic features a brighter aperture, faster autofocus, and an internal zoom design compared to its predecessor. Sony also saw strong performance from its G Master lineup, with four lenses in the Top 10, highlighting demand for its premium E-mount lenses in Japan.

TAKEAWAYS

Sony's FE 100-400mm f/4.5 GM OSS lens is the new No.1 best-selling lens in Japan.

It is the world's first full-frame mirrorless zoom lens with a constant f/4.5 aperture.

Sony secured four lenses in Japan's Top 10 best-selling list.

The lens offers improvements over its predecessor, including a brighter aperture and faster AF.

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