Nikon Z5 II vs Sony a7 IV

The Z5 II has competent autofocus — it won't embarrass you. But Sony's real-time eye and subject tracking on the a7 IV is a different category of technology. In practice, this means the Sony locks onto a moving subject's eye in a crowd and holds it; the Nikon will hunt in the same scenario. If you ever photograph people who move, this difference shows up in your keeper rate immediately.

The jump from 24MP to 33MP isn't just a number — it's roughly 37% more image data. That means the a7 IV lets you crop aggressively in post and still deliver a sharp 20MP image, or print at larger sizes without interpolation. For travel and wildlife photographers who can't always get close enough, that extra resolution is a genuine creative tool, not a vanity spec.

The a7 IV shoots 4K with 10-bit color, giving videographers real latitude in color grading. The Z5 II's video is functional but clearly secondary — it's a stills camera that can shoot video, not a hybrid tool. If you post to YouTube, shoot weddings on the side, or want one camera for both photo and video work, the Sony is the only real answer here.

The Z5 II's 24-70mm f/4 kit lens is legitimately sharp and versatile — this isn't a throwaway bundle lens you'll replace in six months. That matters because the Sony a7 IV is body-only at $2,000, and a comparable Sony 24-70mm f/4 adds another $600-800. The all-in cost gap between these two systems is closer to $1,000-1,200 than the $700 body price difference implies.