I heard about this today and it does indeed exist. The image below is a comparison of the lens layout from the patent and one published by Nikon. Posting here for information purposes only. Good on Tamron & Nikon for designing a telephoto zoom which performs well at an attractive price.
JP2024044857A - Zoom lens and image capturing device - Google Patents
PROBLEM TO BE SOLVED: To provide a compact, light-weight zoom lens which offers high optical performance and allows the size and weight of an anti-shake group to be reduced, and to provide an image capturing device. SOLUTION: A zoom lens (30) disclosed herein comprises a negative front...
patents.google.com
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