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Aperture Series: LeFevre Overlook
This aperture series looks at sharpness on fixed subject along with a near-to-far ground area to assess focus shift, secondary color and gains in real depth of field with stopping down.
Includes up to full-resolution images from f/1.2 through f/8.
Kolob Canyons Cliffs
Adobe Camera Raw 10.2.0 (894). View ACR settings. Process=Adobe Version 4.
Worth noting is the M4/3 format does not work miracles on depth of field—at f/8 (equivalent to f/16 on full frame), the yellow sign has good definition, but is not fully sharp for fine details, and this comes at the cost of a loss of micro contrast everywhere else, e.g., in the sign—from the dulling effects of diffraction. What is problematic is the relatively noisy sensor does not allow any more aggressive sharpening than used here (already bumped over higher than usual!), which already is accentuating noise (see background areas with dark green, it would be much worse if the tones were darker).
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Diglloyd Guide to Mirrorless is by yearly subscription. Subscribe now for about 25 cents a day ($90/year).
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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.
Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.
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- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Sony.