New Macros and Tilt Shifts Coming?
Recent patents have shown new Macro and Tilt-Shift lenses. Below I've listed them.
Explain a patent
You cannot patent a lens per se, but you can patent an optical formula. I think it's safe to talk about patents, as many of them have turned into actual consumer products.
Patent Publication No. 2011-107313
Published 2011.6.2
Filled 2009.11.16
50mm f/2.8 1:1 Macro
- Focal distance f=50.20mm
- Fno=2.90
- Half angle of view 23.32 deg.
- Image height 21.64mm
- Lens length 84.64mm
- Back focus 40.01mm
- Macro -0.950x
90mm f/2.8 Tilt Shift
- Focal distance f=90.40mm
- Fno=2.90
- Half angle of view 17.90 deg.
- Image height 29.20mm
- Lens length 117.18mm
- Back focus 65.43mm
- Macro -0.480x
35mm f/2.8 1:2 Macroa
- Focal distance f=35.20mm
- Fno=2.90
- Half angle of view 31.58 deg.
- Image height 21.64mm
- Lens length 102.44mm
- Back focus 40.10mm
- Macro -0.480x
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