45 Megapixels — Maximum Print Size at Every Common DPI

45 megapixels is the resolution behind two of the most recognizable high-resolution full-frame flagships, the Canon EOS R5 and the Nikon Z9 — a genuine step into serious large-format and heavy-cropping territory, without pushing all the way into the 60-plus-megapixel range dedicated resolution specialists occupy. On a standard 3:2 sensor, 45 megapixels works out to roughly 8,216 by 5,477 pixels.

The Canon EOS R5 and Nikon Z9/Z8/D850 lineage all converge on resolutions in this range specifically because it represents close to the practical ceiling for combining genuinely fast continuous shooting with high resolution in one body, before file size and buffer depth start working against speed.

Why 45 Megapixels Suits a Flagship Body Specifically

Pairing this resolution with genuinely fast continuous shooting and autofocus tracking — as both the R5 and Z9 do — is a real engineering achievement, since high resolution typically trades against buffer speed and processing overhead. That combination is exactly why these bodies appeal to wildlife and sports photographers who want both the reach a heavy crop provides and the speed fast action demands, rather than having to choose one or the other.

Where Even This Resolution Has a Ceiling

The gap only opens up for genuinely oversized output — a trade-show backdrop, a building-side mural, or a wildlife shot cropped down to a fraction of the frame before printing large. Outside those specific cases, 45 megapixels comfortably covers everything from a magazine spread to a substantial gallery print without the photographer needing to think about the ceiling at all.

For a print size or viewing distance that doesn't match these three reference points exactly, the Print Size / DPI Calculator works out the precise figure.