Guides · Updated 5 November 2026

Best Micro Four Thirds camera for bird photography? 6 bodies compared by pixels on the bird

Which Micro Four Thirds camera puts the most pixels on a bird? Every Micro Four Thirds body with a guide on this site, on the same 600 mm lens, at the same distances, so the only thing that changes is the sensor.

Pixels on the bird with a 600 mm lens

Pixels across the bird from beak to tail with a 600 mm lens on every body, using the bird lengths in our reach calculator, most pixels first:

“Won't fit” means the bird is longer than the frame is wide at that distance. The sum, as in every guide: the bird's length × focal length ÷ (distance − focal length) gives its size on the sensor, divided by the pixel pitch. Each guide also shows its body with the lenses most often paired with it.

What the table shows

On the same lens at the same distance, the bird's image on the sensor is the same size on every body, so reach comes down to how many pixels fit across it: the pixel pitch. The Panasonic Lumix G9 II has the smallest pixels here (3.00 µm), so it puts 1.12 times as many pixels across the bird as the OM System OM-1, OM System OM-1 Mark II, Olympus OM-D E-M1 Mark III and Olympus OM-D E-M1X (3.36 µm): 1,970 against 1,758 across an American robin at 25 m.

Bodies that share a sensor size and pixel count put exactly the same pixels on the bird with the same lens: the OM-1, OM-1 Mark II, E-M1 Mark III and E-M1X (17.4 mm and 5,184 pixels across).

The G9, OM-1, OM-1 Mark II, E-M1 Mark III and E-M1X all record 5,184 pixels across; the gap of under 1% between the G9 and the OM-1, OM-1 Mark II, E-M1 Mark III and E-M1X comes only from the sensor widths in the makers' spec sheets (17.3 mm against 17.4 mm). For the OM-1 Mark II, OM System's product page gives the sensor as 17.3 mm wide and its manual as 17.4 mm.

Across all 39 interchangeable-lens bodies with a guide on this site, on the same 600 mm lens, none puts more pixels on the bird than the Panasonic Lumix G9 II.

To see two bodies side by side with your own lens, distance and bird, the reach calculator opens comparing the G9 II and the OM-1. It runs in the browser.

BirdFrame for Mac finds every bird in a folder or Photos album and crops each from the full-size original, thousands at once.

Questions

Which Micro Four Thirds camera puts the most pixels on a bird?

On the same lens, the Panasonic Lumix G9 II (3.00 µm pixels): about 1,970 pixels across an American robin at 25 m with a 600 mm lens. The OM System OM-1, OM System OM-1 Mark II, Olympus OM-D E-M1 Mark III and Olympus OM-D E-M1X put 1,758 across the same robin, so the G9 II has 1.12 times as many. That's reach only; autofocus, burst rate and handling aren't measured here.

Do the OM-1, OM-1 Mark II, E-M1 Mark III and E-M1X put the same pixels on a bird?

Yes, with the same lens and distance: they share a sensor 17.4 mm wide with 5,184 pixels across it (3.36 µm pixels), so each puts 1,758 pixels across an American robin at 25 m with 600 mm. Anything that sets them apart, such as autofocus, burst rate or handling, isn't measured here.