The focal length of a lens is calculated as the distance between the lens and the image plane, when focused at infinity. If that is the formula, why is the length of my 200mm lens only 136mm?
Could you please tell me what “angle of view equivalent to that of a 24–1000mm lens” refers to?
What are some things I should look out for before purchasing a second hand lens?
Better Photography asked Nitin Goyal, President and CEO of Tamron India to give us his predictions for the future of Indian photography, …