Sample lab images of the first Micro Four Thirds camera with a stacked BSI sensor


A few weeks ago, OM Digital Solutions, the new camera company spun off from Olympus’ Digital Imaging division, unveiled its first “OM System” branded camera, the OM-1. Successor to the popular Olympus E-M1 Mark III and, in a sense, the E-M1X as well, the new OM OM-1 system retains a familiar yet refined and updated physical design of its predecessor E-M1 III, but integrates into an all-new imaging pipeline.

Both the sensor and processor are new, with the OM-1 debuting the industry’s first BSI CMOS sensor stacked in a Micro Four Thirds camera. The resolution, however, remains similar to its predecessor at 20.4 megapixels. The stacked sensor design, however, helps the OM-1 achieve staggering performance, such as shooting up to 50 fps with C-AF or 150 fps (!) with single-shot AF as well as performance improvements for autofocus. Combined with the newer and faster imaging processor, the TruePic X, the OM-1 also benefits from a new wider ISO range, delivering a much higher extended ISO range than the E-M1 III before it. . The native ISO range remains the same at ISO 200-25600, but you can extend the sensitivity down to ISO 80 and ISO 100 as well as beyond the native high ISO level, down to ISO 102400, which in fact one of the highest. Micro Four Thirds cameras on the market.

While the higher extended ISOs of many cameras are generally of questionable usability, the OM-1 is nonetheless claimed to offer improved higher ISO performance over its predecessor, which used a more conventional sensor design. In Jeremy Gray’s real-world testing, the OM-1 indeed showed excellent higher ISO performance and an improvement over the E-M1 III. However, as always, laboratory tests are also necessary.

OM-1: ISO 200 basis

OM-1: Base ISO 200 – 100% crop from JPEG

Without further ado, if you’re curious what the image quality of the new OM OM-1 system looks like across the full ISO range of the camera, check out our set of First Shots normalized sample images. As always, we have several sets of images to browse and look at in pixels. Here, files labeled “NR2D” indicated images with the OM-1’s default in-camera noise reduction processing level. Meanwhile, images labeled “NR0” indicate that in-camera NR processing has been disabled – as far as the OM system allows, that is. Of course, we also have corresponding unedited RAW files to accompany the JPEG images. Additionally, the OM-1 has a built-in hi-res shooting mode, just like its predecessor, and we also have an ISO set with those higher-resolution 80MP RAW and JPEG files for download.

ISO 6400 comparison: OM-1 (left) and E-M1 III (right)

• OM-1 Practical Exam • OM-1 Sample Images • OM-1 Gallery •

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