Tamron 70-180mm f/2.8 Di III VXD Patent Found Might Be G2 or Maybe G3

• 1 day ago

Tamron 70-180mm f/2.8 G2:

B&H Photo / Amazon / Adorama

A Patent filed on March 13, 2025, might be for the Tamron 70-180mm f/2.8 Di III VXD G2, or it could be for an updated G3 design since the G2 70-180mm came out in 2023.

overview

• [Publication number] P2025033505
• [Release date] 2025-03-13
• [Name of invention] Zoom lens and imaging device
• [Applicant]
  
  [Identification number] 000133227
  
  [Name or company name] Tamron Co., Ltd.
• The present invention relates to a zoom lens and
• [0002]
  
  Imaging devices using solid-state imaging elements, such as digital still cameras and digital video cameras, are widely used. Examples of such imaging devices include digital still cameras, digital video cameras, broadcast cameras, security cameras, and vehicle-mounted cameras. In any imaging device, there is a strong market demand for zoom lenses with a large aperture ratio, a small optical system, and high optical performance.
• [0007]
  
  In the zoom lens described in Patent Document 1, the back focus is long, and the optical system cannot be made compact.
• An object
  
  of one aspect of the present invention is to provide a high-performance zoom lens and imaging apparatus that has a large aperture ratio, is small overall, and has various aberrations well corrected.

Example 1

• Focal length: 72.0664-174.6514
• F value: 2.9104-2.9103
• Half angle of view: 16.3157-6.7314
• Image height: 21.6330
• full length:
• Back Focus:

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