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Upgrade the memory of your 2018 Mac mini up to 64GB
Canon EOS R5

NEW! Available for pre-order.

45 megapixels, 8K30 and 4K120 10-bit video, IBIS, 5.7 megadot EVF, 20 fps.

Canon 135mm f/2L back from Canon—optical issue

I just received my Canon EF 135mm f/2L back from Canon service and indeed Canon acknowledged and fixed an optical problem. Unbelievable really—an “L” lens ought to undergo the highest quality control (see Sept 15 entry). It’s not that the lens was way off, but it was showing astigmatism at the edges and corners, something the MTF curves suggest should not happen.

I’m also suspicious of my Canon EF 50mm f/1.2L, which is showing strong color fringing on one side. I just don’t understand why a $1000 or $1500 lens can’t work well out of the box.

Sony 12-24mm f/2.8 GM

NEW! Available for pre-order.

3 XA Elements, 2 Super ED elements, nano AR II and fluorine coatings, four focusing motors, dust and moisture sealed.
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).



MacPerformanceGuide.com
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Apple 13.3" MacBook Air with Retina Display (Mid 2019, Gold)
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