EXCERPT page containing first few paragraphs. 2019-02-22 01:25:56
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At a featherweight 136 grams with lens hood and lens cap, the 35mm f/2.8 Sonnar is about as light as it gets for a full-frame lens, something made possible in part by designing for mirrorless without the mirror box constraints of a DSLR. But also by virtue of its very modest f/2.8 aperture.
It’s possible that the lens performance will be as good as the 35mm f/2 Sonnar found in the Sony RX1R, since the loss of one stop allows a higher degree of correction with less strenuous optical efforts
- Sony E Mount Full-Frame
- Three Double-Sided Aspherical Elements
- Carl Zeiss T* Anti-Reflective Coating
- Internal Focusing Mechanism
- Nine-Blade Circular Diaphragm
- Dust and Moisture-Resistant Construction
The lens has only seven elements as compared with the Zeiss ZF.2 35mm f/2 Distagon for DSLRs. The difference of two elements is significant because it implies a lower level of correction at the same max aperture. However, being a full stop slower (f/2.8 vs f/2), and a new design optimized for mirrorless use, there is a very good chance that it will outperform the stop-faster DSLR lens.
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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.
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