CanonEOS R5 Specifications. RF, RF-S (EF, EF-S, and TS-E lenses when using Mount Adapter EF-EOS R) Phase-difference detection system with image sensor (Dual Pixel CMOS AF) 1,053 AF Areas covering approx. 100% of the frame, 5,940 individually selectable AF points with 90% horizontal and 100% vertical coverage.
TheEOS-1Ds Mark III is the seventh Canon professional EOS-1D series digital SLR, although only the third of the 's' suffix sub-category which indicates a full frame sensor. Three years since the last EOS-1Ds, the Mark II, the Mark III pushes digital SLR resolution over the twenty megapixel barrier with specifically twenty-one-point-one million GI1dc.