MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202537087582 A) filed by Changzhou Aac Raytech Optronics Co. , Ltd. on September 15, 2025, for Photographic Optical Lens.
Inventors include Yang, Tingting; and Zhou, Shunda.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: The present invention relates to the field of optical lenses. Disclosed is a photographic optical lens. From an object side to an image side, the photographic optical lens sequentially comprises: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, wherein focal lengths of the photographic optical lens, the third lens, the sixth lens, and the seventh lens are respectively f, f3, f6, and f7; the central radii of curvature of an object-side surface of the third lens, an image-side surface of the third lens, an object-side surface of the fourth lens, an image-side surface of the fourth lens, an object-side surface of the seventh lens, and an image-side surface of the seventh lens are respectively R5, R6, R7, R8, R13, and R14; the on-axis thickness of the seventh lens is d13; and the following relational expressions are satisfied: -1.35=(R5-R6)/f3=-0.10; 0.25=R7/R8=0.70; 10.00=(R13+R14)/d13=23.00; and 1.05=(f6-f7)/f=1.35.
Disclaimer: Curated by HT Syndication.
