EVF resolution – the missing metric
Every review of every camera includes a specification for the electronic viewfinder — stated in megapixels, just like the sensor. And almost every review that mentions the OM System cameras…
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Giant OM1 I and II spreadsheets of my top photo settings
OM System cameras are among the most configurable cameras available, with somewhere between 400 and 500 individual menu settings on the OM-1 series alone. When you add four independent custom…
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OM and Sony wildlife zooms – 2026 summary
In April 2026, I put up five posts describing some testing and analysis of OM Pro zooms with the OM1 Mk II camera. Four of those involved comparisons against the…
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Sony Zooms vs the 600mm f4 Prime—comparative image quality
In a recent series of tests on systems for wildlife photography—primarily for birds in flight—I have only looked at zooms. However, these are regarded as the cheap and cheerful end…
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OM and Sony wildlife zooms – lens handling
I have recently posted several articles on the relative performance of OM and Sony wildlife zooms, covering focus accuracy, resolution, and dynamic range, based on actual test data. One thing…
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Dynamic Range and low-light noise – Sony vs OM zooms
In previous posts, I have compared the focus accuracy and resolution of the Sony A7V and the two Sony wildlife Zooms, with the OM1 mk II and the two OM…
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Resolution of OM vs Sony wildlife zooms
In a previous post, I showed the results of testing focus accuracy for the Olympus Pro zooms and the two main Sony Wildlife zooms. The focus accuracy for all systems…
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OM vs Sony zooms: focus accuracy shootout
Following my detailed analysis of the focus accuracy of the 50-200mm f2.8 (Little White) and the 150-400mm f4.5 TC (Big White), I was interested in how these lenses stacked up…
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Using FastRawViewer to cull thousands of images
In April 2026, I put up five posts describing some testing and analysis of OM Pro zooms with the OM1 Mk II camera. Four of those involved comparisons against the…
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OM Pro Zooms – the effect of teleconverters, ISO and background on focus accuracy
The latest OM Pro zooms are the 50-200mm f2.8 (Little White) and the 150-400mm f4.5 TC (Big White). They are, in my opinion, and in the view of many, the…
