Canon’s stable of RF full-frame mirrorless lenses just grew by two members. The company just announced the new RF 15-35mm f/2.8L IS and RF 24-70mm f/2.8L IS, two lenses that “further cement the company’s commitment to” its full-frame mirrorless system, Canon says. RF 15-35mm F2.8L IS USM The new RF 15-35mm f/2.8L IS USM is Canon’s first f/2.8 wide zoom lens that packs image stabilization (IS). It features 5 stops of stabilization, edge-to-edge sharpness, a control ring, and drip and…