New 250mm f/4.5 APS-C E-mount Mirror lens patent

Sony published a new patent for a Mirror lens having a focal length of 250mm and f/4.5 aperture. It’s designed for APS-C E-mount cameras. A perfect lens to spy the neighbourhood take pictures of birds By the way, if you are looking for an E-mount mirror lens you can also buy that Albinar 300mm on […] from sonyalpharumors