SLR camera lens 18-135mm and 18-200mm What is the difference?
SLR camera lens 18-135mm and 18-200mm difference There are several points:
1, wide-angle the same, but the telephoto end is not the same, 200 to 135 farther than some;
2, in terms of light change factor, 135 is 7.5 times, 200 is 11.1 times;
3, of course, the difference between the two prices, the latter slightly more expensive than the former.
Look at your needs, you do not need to use the theme of the 135-200 this focal length.
If you really need to choose 18-200. But my personal comparison is recommended 18-135
The quality of the two lenses are different. In general, high-power focal length lens imaging quality will be almost.
So in the picture quality 18-135 is better than the 18-200.
