Canon's ultimate resolution DSLR of its era — 21.1MP full-frame with professional 1-series build.
The Canon EOS 1Ds Mark III was released approximately 2007 as Canon's flagship professional full-frame DSLR with a 21.1MP full-frame CMOS sensor. No video capability — stills-only professional body. Dual DIGIC III processors. At approximately 1,370g with battery. Canon EF mount.
21.1MP full-frame CMOS. No video — stills only. 45-point AF (19 cross-type). Dual DIGIC III. CF + SD dual card slots. NP-E3 / BP-511A batteries. At approximately 1,370g. Canon EF mount.
The 1Ds Mark III was Canon's highest-resolution professional DSLR at launch: 21.1MP full-frame was the maximum available in a DSLR in 2007, targeting commercial, fashion, and landscape professionals requiring maximum resolution for large prints. The pre-video era design — video was introduced to Canon DSLRs with the 5D Mark II in 2008.
On the used market the Canon EOS 1Ds Mark III is affordable as a vintage high-resolution professional DSLR. Condition checks: sensor for dust, shutter actuations, CF/SD slots, battery health. No video. Canon EF mount.