Leica 23mm f/2 ASPH lens patent

• 8 years ago
• Categories: Leica Lenses, Leica T, Leica X
• Tags: Patents

Last year Leica filed a patent in Japan for a 23mm f/2 ASPH lens designed for mirrorless APS-C cameras. This could be a variation of the lens on the Leica X (23mm f/1.7) or the existing Summicron-T 23mm f/2 ASPH lens for TL mount. Here are the details:

• Patent publication: 2015-191237
• Published on: 2015.11.2
• Filed on: 2014.3.28
• Applicant: Leica Camera Aktiengesellschaft
• Focal length: 23mm
• Fno: F2.0
• Back focus: 15.7mm
• Total length: 54mm
• Image circle: 28.4mm
• Inner focus
• Aspherical element
• The optical design by code V

Via Egami