Massive Body, Remarkable Photos: Canon RF 400mm F2.8 Review
Long, bright glass is hard to come by — but Canon didn’t wait long before bringing its 400mm f2. 8 over to the RF mount. The Canon RF 400mm f2. 8 L IS USM brings the same optics as the EF 400mm f2. 8 IS III USM to cameras like the R3 and R5 without the use of a mount adapter. thephoblographer.com »