Imaging recource: Print your own lens: Photographer uses 3D printer to create 135mm f/1.8 lens

    The uses of 3D printers never cease to amaze us. Photographer Mathieu Stern designed his own 135mm f/1.8 lens, using a single lens element, and had it printed for him by a French 3D printing company. While the corners are a bit soft, the center is impressively sharp! You can read more about Mathieu's design on his blog. (Seen via sonyalpharumors.com)  
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