New patents for Tamron 85mm f/1.4 and Tamron 24-120mm f/4 lenses
Tamron has filed new patents for three full-frame DSLR lenses:
- Tamron 85mm f/1.4
- Tamron 24-120mm f/4
- Tamron 35mm f/1.8 (this patent could be for the alresdy existing Tamron SP 35mm f/1.8 Di VC USD - the lens design looks identical)
Tamron 85mm f/1.4 full-frame DSLR lens patent P2019-109539A:
- Focal length: 87.5187 mm
- Aperture: 1.4578
- Half angle of view: 13.8585
Tamron 24-120mm f/4 full-frame DSLR lens patents: P2019-124885A & P2019-124884A:
- Focal length: 25.100 - 114.132 mm
- Aperture: 4.105 - 4.140
- Half angle of view: 42.102 - 10.446
- Image height: 21.633 mm
- Lens length: 167.363 - 218.148 mm
- Back focus: 39.824 mm
Tamron 35mm f/1.8 full-frame DSLR lens patent:
- Focal length: 35.3524 mm
- Aperture: 1.8354
- Half angle of view: 31.7450
Via hi-lows-note