I am getting a 350D this weekend. But I have a few questions in regards to lens:
How do I determine the optical zoom for the lens with use on my 350D? I read that the sensor is smaller than 35mm and therefore the focal length tends to increase. What effect does it make? Sorry if I sound really ignorant but I'm totally new to such things and I need some advice.
So if I were to buy Tamron AF 28-200mm, how would the optical zoom be like? How is it calculated?