It’s a pretty bold claim to say you’re the world’s something-est anything. But that’s what William Optics are doing with their new Redcat 250mm f/4.9 lens, hailing it as the “World’s Sharpest” 250mm lens ever made for full frame cameras. Which, to be fair, is possibly true, as very few 250mm lenses have ever been made for full frame cameras.
Interestingly, though, it’s based on a Petzval design, which is typically more associated with “swirly bokeh” than sharpness. But this lens uses a pair of synthetic fluorite elements to correct those issues in an attempt to produce sharpness across the entire frame. At least, that’s what their Kickstarter campaign says.
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