Tamron 28-100mm F2.8, 35-150mm F2-2.8, and 35-150mm F2.8 Patents Found
Tamron might release an interesting Tamron 28-100mm f/2.8 in the future. The Tamron 35-150mm f/2-2.8, and Tamron 35-150mm f/2.8 probably are related to the slightly different Tamron 35-150mm f/2-2.8 Di III VXD.
- Applicant: Tamron Co., Ltd.
Publication number: P2023004721
Application number: P 2021106602
Publication date: 2023-01-17Title
of invention: Zoom lens and imaging device
- Kind Code: A1 To provide a zoom lens that has a large aperture ratio, is compact overall, and has excellent optical performance, and an imaging apparatus that includes the zoom lens.
- There is a strong market demand for a zoom lens that has a large aperture ratio and high optical performance in any imaging device.
- In order to obtain a zoom lens with a small F-number and high optical performance, it is necessary to satisfactorily correct various aberrations caused by increasing the aperture ratio.
- When moving images are captured using contrast AF or tracking AF, there is a phenomenon in which the size of the subject on the imaging surface changes as the focus group moves. When the change in image magnification due to such movement of the focus group is large, the photographer who observes the live view image feels uncomfortable.
- According to the present invention, it is possible to provide a zoom lens that has a large aperture ratio, is compact overall, and has excellent optical performance, and an imaging apparatus having the zoom lens.
- Example 1 (35-150mm F2-2.8)
Focal length 36.0267 74.9717 145.5296
F number 2.0604 2.6090 2.9089
Half angle of view 30.9716 15.3720 8.0578
Image height 21.6330 21.6330 21.6330
- Example 3 (35-150mm F2.8)
Focal length 36.0059 74.9901 145.7846
F number 2.9006 2.8998 2.8998
Half angle of view 31.1279 15.6292 8.1277
Image height 21.6330 21.6330 21.6330
- Example 5 (28-100mm F2.8)
Focal length 28.8086 49.9831 101.8857
F number 2.9114 2.9094 2.9097
Half angle of view 38.4220 22.4917 11.4289
Image height 21.6330 21.6330 21.6330
Follow SonyAddict on Facebook, Twitter, Instagram, and YouTube
Plus, our owners’ groups
Sony a1 Owners Group
Sony a9 Owners Group
Sony a7 Owners Group
Tamron 17-28mm f/2.8 Di III RXD FE:
B&H Photo / Amazon / Adorama
Tamron 28-75mm f/2.8 Di III VXD G2 FE:
B&H Photo / Amazon / Adorama
Tamron 28-75mm f/2.8 Di III RXD FE:
Amazon
Tamron 35-150mm f/2-2.8 Di III VXD:
B&H Photo / Amazon / Adorama
Tamron 70-180mm f/2.8 Di III RXD FE:
B&H Photo / Amazon / Adorama
Tamron 28-200mm f/2.8-5.6 Di III RXD FE:
B&H Photo / Amazon / Adorama
Tamron 20mm F/2.8 Di III OSD M1:2（Model F050):
B&H Photo / Amazon / Adorama
Tamron 24mm F/2.8 Di III OSD M1:2（Model F051):
B&H Photo / Amazon / Adorama
Tamron 35mm F/2.8 Di III OSD M1:2（Model F053):
B&H Photo / Amazon / Adorama
via IP Force, digicame-info