Mounted on a Canon EOS 1Ds Mark IIIAnnounced in July 2010, the DxOMark test results for this Canon super-telephoto lens shows that it has excellent resolution, with really very good homogeneity ...

Introduction Marking the entry point into Canon’s Super telephoto lenses, the EF300mm f/2.8L IS USM has always been referenced by Canon as their fastest focusing lens and offering the best image ...

While Sigma launched its first Canon RF (or RF-S) lens, first-party glass ... Meanwhile, the Viltrox Ka-LUNA 30-300mm T4 was unleashed, a brace of Sirui 16mm and 75mm f/1.2 primes were added ...