Ricoh has filed a patent for a 24-90mm f/4 full-frame DSLR lens
Ricoh has filed a patent for a 24-90mm f/4 full-frame DSLR lens.
Pentax already had a 24-90mm f/3.5-4.5 SMC FA IF AL lens for K-mount:
Here are the details from the patent application:
- Applicant: Ricoh Co., Ltd.
- Publication number: P2022129113
- Application number: P 2021027679
- Publication date: 2022-09-05
- F-number 4.1 4.1 4.1
- Focal length 24.60 45.01 87.75
- Half angle of view 42.4 25.4 13.7
- Image height 21.64 21.64 21.64
- Back focus 39.66 58.78 87.73
- Total length 166.87 125.75
Via Digicame-info