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I am trying to decide what should be my next lens. I'm between the Canon 10-18 STM and the Canon 55-250 STM. I know they are very different, but i'm trying to decide which one would be more useful for travel. I currently have a 80D, 18-135, and 50 f/1.4. Which one should I get first or just be...

I am looking for a wide angle lens and leaning towards the Tokina AT-X 11-20mm F/2.8 or Tokina AT-X 116 PRO DX II AF 11-16mm f/2.8 lens I am not sure if this lens is right for me because of the f/2.8 I can see this very handy for night landscape and shooting indoor rooms in dim light (which i...