EXCERPT page containing first few paragraphs. 2021-01-19 11:12:18
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Equivalent to a 35mm lens on the 35mm format, the about $6000 Leica 45m f/2.8 Elmarit-S ASPH is a moderately sized moderate wide angle that balances very nicely on the Leica S, albeit slightly larger and less pleasant than the 100mm f/2.
Optical performance wide open can be less than satitisfying, particularly at infinity focus where stopping down is needed to deliver peak results. This behavior is suggested by the MTF chart and confirmed in field use. While the softness across portions of the field may be due to field curvature, this is little solace if wishing to shoot a subject at a uniform distance at full aperture—this is best not done for some subjects—stop down to f/5.6, which also helps with any minor focus errors.
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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 100 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.