Woody had the best solution, landscapes are usually done with longer exposure and stopped down apertures. With wide angle lenses, stopped down, manual focus is very practical and easy so some of the low cost prime wide angle lenses are good values. I have a Sigma 10-20 3.5-5.6, I use on my D7000 and 15-30 2.8 Tamron I use on a D800. I use the 15-30 as a general purpose lens without a tripod most of the time because it works very well handheld to very low shutter speeds because it has excellent vibration reduction. The Sigma 10-20 is available in f/3.5 and a lower priced f/3.5-5.6 The 3.5 version has lower distortion but I never had a problem with distortion in the lower priced version. Due to its popularity, you can find good prices on used lenses. You would save enough to get the 35 1.8 G or 50 1.8g for general photography and low light. Both are excellent lenses

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