TTArtisan Releases an RF APS-C 10mm F2

[Canon Rumors]

TTArtisan released an intriguing 10mm F2.0 for APS-C systems. It’s manual focus and manual aperture but it’s 10mm F2.0 so there’s that. Because there are no electronics, Canon ignores it as if it does not exist and so it’s available for the RF mount. Unfortunately, it has a fair amount of tangential astigmatism which makes

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