Northlight Image has just uncovered a patent showing optical formulas for more super-telephoto zoom lenses (RF 120-700mm f/4.5-8 & RF 100-600mm f/4.5-7.1) for the RF mount mirrorless cameras. Since Canon will soon announce the RF 100-500mm f/4.5-7.1L IS USM lens, will these new super telephoto zoom lenses coming to real ? Stay tuned.
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