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Memory Upgrades for 2019 Mac Pro - Save Up to 65% vs Factory Costs
Save Big $$$$ on Memory for 2019 Mac Pro

Up to 65% better pricing than Apple

Lloyd recommends 32GB RDIMM modules for most users (more expensive LRDIMMS are for 512GB or more).


Focus Shift — Nikon 50mm f/1.4G, 50mm f/1.4D, 50mm f/1.8FG, 50mm f/1.8D, Voigtlander Nokton 58mm f/1.4 SL II

For many lenses, focus shift is by far the most important lens behavior in determining sharpness as a practical matter for real images. This is especially true with higher resolution cameras like the Nikon D800E, but it holds true at 22 megapixels and 12 megapixels, in fact more than most photographers realize.

Just published in DAP : a study of focus shift with the Nikon 50/1.4G, 50/1.4D, 50/1.8G, 50/1.8D and Voigtlander Nokton 58/1.4 SL II. This follows my in-depth focus shift study of Canon 50mm lenses.

Focus shift and what to do about it are discussed in detail in Making Sharp Images.

Nikon AF-S 50mm f/1.4G, AF-S 50/1.8G, Voigtlander Nokton 58mm f/1.4 SL II

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