Nikon 18-105 vs 18-200
If I have the Nikon 18-105, do I really need the Nikon 18-200? Other lens I own are Nikon 50mm 1.4, Sigma 10-20, Sigma 70-300, and Sigma 150-500. I'm trying to plan my next len purchase - looking at the Nikon 24-70 2.8. Any suggestions are always welcomed.