Hello there, enjoyed looking at your photos, great, nothing wrong with the nikon 18-135 there, have the D80 myself and do quite a lot of railway photog'y use sigma 18-200 non os had good
results, but very impressed with your results, will have to give the 18-135 a trial, also like photo'g
landscape, flowers, well most things of interest really. Look foward to hearing from you.
Best regards, Jim Barr.