What the heck does Di III VXD G2 mean on a Tamron lens?
Image: Tamron If you’ve ever taken a look at Tamron lenses, you’ve likely noticed a surprisingly long string of numbers and letters in the product name. Reading “Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD” can feel a bit like trying to decipher a secret code. Plus, when you go to read about the lens, you […]