lensdesign

What Are Aspherical Lens Elements? – Photography Article

When camera lens makers announce new lenses, one of the specs they always tout is how many aspherical elements the lens designs have. If you’re not sure what those elements are and what they do, here’s a short and helpful 4-minute video by Michael the Maven that’ll bring you up to speed. Aspheric lens elements have surfaces that aren’t portions of a sphere, and this more complicated shape focuses light better than a simple lens, reducing various types of aberrations.…

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Did Nikon and Canon Follow Micro Four Thirds’ Lead? – Photography Article

I was excited when Canon and Nikon finally stepped into the mirrorless game seriously more seriously, releasing their full-frame mirrorless cameras in 2018. Nikon launched their Z6 and Z7 with the new Z-Mount, while Canon released the EOS-R with a new RF-Mount. Taking a closer look to the mount design, both companies adopt very similar approach, and I can’t help but notice the similarities and be reminded of what Four Thirds promised and delivered in 2003 when Olympus DSLR E-1…

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Canon Designed a 50-80mm f/1.1 Lens – Photography Article

Canon is apparently hard at work developing some never-before-seen lenses. A newly published patent shows that the camera company has at least toyed with the idea of a crazy 50-80mm f/1.1 lens. First spotted by Northlight Images, the patent (US20190243111) shows designs for a number of ultra-fast 50-80mm zoom lenses, including a f/1.8, f/1.6, f/1.4, f/1.2, and f/1.1. Canon has offered an f/1.0 lens before in the rare 50mm f/1.0, but offering a fixed f/1.1 aperture on a zoom lens…

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