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This page looks at how much to sharpen when converting in Adobe Camera Raw via Photoshop. Similar considerations apply in Adobe Photoshop Lightroom, which uses the same ACR engine and sharpening algorithms.
All digital cameras require some degree of sharpening due to the discrete nature of their image capture. A camera like the Fujifilm GFX without an anti-aliasing filter needs less sharpening than a camera with one. Other factors influence what is the best value:
- Pixel quality including noise.
- Acutance, which can be related to sensor design (micro lenses, pixel spacing, etc).
- Diffraction mitigation.
- Lens micro contrast.
- Noise reduction, particularly long exposure noise reduction.
- Special camera features like the Lens Modulation Optimization feature of the Fujifilm GFX.
- Many JPEG settings, when camera JPEG is used.
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These systems are hugely expensive, so make the right choice for your own needs (full frame vs medium format).
- In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
- How to configure menus and buttons and best operating practices, gotchas and how-to.
- Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
- Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to 28 megapixels filling up to 5K display, plus large crops.
- 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.