Canon EOS R5 II Mirrorless Camera Review (2026): The 45MP

Why you should trust this review

I bought the EOS R5 Mark II body and shot with it for nine months across a deliberately mixed workload of stills and video. Canon did not provide a sample and had no involvement in this review. My affiliate arrangement pays the same regardless of which body you buy, so I have no reason to talk this one up over the cheaper R6 Mark II or the Sony and Nikon alternatives I name below.

A flagship hybrid is a serious investment, and the spec sheet only tells you what the camera can do in a brochure, not what it does on a real shoot. The questions that matter are whether the stacked sensor actually tames rolling shutter in the field, whether the buffer holds up when you lean on the shutter at a fast-moving subject, and whether the 8K video is usable in real workflows or just a headline you cannot sustain. Nine months of mixed shooting gave me answers grounded in actual frames and clips rather than a studio chart. Where I reference Canon’s own ratings, I say so and pair them with what I saw.

How we evaluated

I shot the R5 Mark II across nine months in the situations it is built for: fast action with the electronic shutter, low light at the edge of its range, and 8K and 4K video in real recording sessions rather than 30-second tests. I pushed the 30fps burst at moving subjects to see how deep the buffer ran before it slowed, and I tested the Dual Pixel CMOS AF II with Eye Control across portraits, sports, and wildlife to judge tracking and the eye-controlled point selection.

I ran extended 8K 60p RAW recordings to find where the body hits thermal limits, used both the CFexpress Type B and SD UHS-II slots to confirm the redundancy workflow, and shot handheld at slow shutter speeds to gauge the rated 8.5-stop in-body stabilization with stabilized RF glass. Throughout I compared the experience against the Sony A1 II and Nikon Z8 to place it accurately.

The 45MP stacked sensor: rolling shutter all but gone

The stacked back-illuminated sensor is the heart of the upgrade, and its biggest practical payoff is rolling shutter. Compared to the original R5, the readout is fast enough to cut rolling shutter to roughly a third, which transforms the electronic shutter from a compromise you tolerate into something you can trust. Panning across fast subjects, the skew and distortion that plagued the first R5’s silent shutter were essentially absent in my shooting.

That matters because it makes the 30fps silent burst genuinely usable for serious work rather than a gimmick. At 45MP you also keep real cropping latitude, so a tightly framed wildlife or sports shot still has resolution to spare for reframing in post. The sensor handled my low-light shooting well within its range, and the combination of high resolution and fast readout is exactly what a working hybrid wants. This is the feature that justifies the generational jump from the original R5 more than any other.

Burst, buffer, and autofocus: the action package

The 30fps electronic shutter pairs with a buffer Canon rates at 230 RAW frames before slowdown, and in practice that depth is the difference between catching a peak moment and missing it. Leaning on the shutter through a fast sequence, I rarely hit the wall, and when shooting to a fast CFexpress card the buffer cleared quickly enough to keep me in the action. For sports and wildlife, where the decisive frame can land anywhere in a half-second, that combination of speed and depth is the real value.

The Dual Pixel CMOS AF II is the other half of the action story, with cross-type points covering nearly the full frame. Tracking stuck to subjects reliably across my testing, and the Eye Control AF, which lets you place the focus point by looking at it through the finder, is more useful than it sounds once it is calibrated to your eye. It is not flawless in every situation, but for fast subject acquisition it can be quicker than moving a joystick. Combined with the 8.5-stop IBIS, which let me shoot sharp handheld at shutter speeds I would not normally trust, the autofocus and stabilization package is as strong as anything in this class.

8K 60p RAW video and the thermal trade-off

The video side is where the R5 Mark II earns its hybrid billing. Internal 8K 60p RAW recording targets genuine cinema workflows, giving you enormous latitude in post and the resolution to reframe or extract 4K from an 8K master. The 4K 120p option covers high-quality slow motion, and Canon’s color science means footage cuts together cleanly with stills from the same body. For a one-camera shooter covering both stills and motion, that flexibility is the whole appeal.

The honest caveat is heat. Long 8K sessions trigger thermal warnings, and the body runs warm under sustained high-resolution recording. This is the reality of cramming 8K 60p RAW into a compact mirrorless body, and it means the R5 Mark II is better suited to interval and run-and-gun cinema work than to locked-off, hours-long 8K takes. If your workflow is continuous long-form 8K, plan around the thermal limits or step up to a dedicated cinema body. For the mixed shooter who records in shorter takes, it was not a practical obstacle in my nine months, but you need to know it is there. The dual CFexpress Type B and SD UHS-II slots give you both pro write speed and travel redundancy, though the CFexpress cards add real cost to the total.

Who should buy the Canon EOS R5 Mark II?

Buy it if you are a working hybrid pro who shoots both stills and high-end video, particularly paid sports, wildlife, or cinema work. The stacked sensor, 30fps burst with deep buffer, 8K 60p RAW, and excellent autofocus genuinely justify the step up over the R6 Mark II for that buyer. If you live in the Canon system and need a do-everything flagship, this is it.

Skip it if you mostly shoot stills at more relaxed frame rates, where the cheaper R6 Mark II covers the work for far less and you would be paying for resolution and 8K you will not use. Consider the Sony A1 II instead if you are already invested in Sony glass or need its higher 50MP resolution for studio crops, and the Nikon Z8 is a strong alternative at a lower price if you are not committed to Canon. Also skip it if your video workflow is continuous long-form 8K, where the thermal limits will get in your way.

The verdict

The Canon EOS R5 Mark II is a genuine flagship hybrid that delivers on its headline specs in the field. The stacked sensor nearly eliminates rolling shutter, the 30fps burst and deep buffer make the silent shutter trustworthy for action, the autofocus and 8.5-stop IBIS are class-leading, and the 8K 60p RAW gives cinema shooters real latitude. The honest limits are a price step over the R6 Mark II, the cost of CFexpress cards, and thermal warnings in long 8K sessions. For a working pro who needs both stills and high-end video from one body, it is worth it.