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Canon News has uncovered a patent for a Canon RF 100mm f/2.8L IS USM Macro 1:1.4x. A macro for the RF system is already long overdue and I expect that we’ll see one announced some time this year.
The cool thing about this patent is that it has a 1:1.4x macro capability, unlike the current version which is 1:1.
Below are the two embodiments of the in Japan Patent Application 2021-047297. The second one is a bit confusing, as the aperture increases as the magnification increases, does this mean it’s an f/1.4 optical design? Time will tell.
Canon RF 100mm f/2.8L IS USM Macro 1:1.4x | |
Shooting Magnification | -1.00E-06 -0.5 -1.4 |
Focal Length | 100.81mm 65.87mm 36.01mm |
F Number | 2.92 4.49 6.64 |
Image Height | 21.64mm |
Lens Total Length | 162.37mm |
Backfocus | 14.66mm |
Canon RF 100mm f/1.4L IS USM Macro? | |
Shooting Magnification | -1.00E-06 -0.5 -1.4 |
Focal Length | 103.01mm 67.67mm 37.04mm |
F Number | 3.04 2.6 1.45 |
Image Height | 21.64mm |
Lens Total Length | 141.34mm |
Backfocus | 14.70mm |
- Via: Canon News
- Source: JPO