Is the sigma 17 70mm f 2 8 4 dc macro os hsm contemporary good for travel?

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From Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemporary: Sigma 17-70mm f/2.8-4 DC Macro OS HSM Contemporary: A macro lens by Sigma for APS-C cameras, 17-70mm f/2.8-4. The Pentax version has no optical stabilisation and relies on the camera's in-body stabilisation. Specs - Maker: Sigma - Focal length: 17-70mm (macro) - Maximum aperture: f/2.8-4 (it gets darker as you zoom in) - Made for: APS-C sensors - Mounts: Canon EF, Nikon F, Pentax K - Stabilised: yes - Autofocus: yes What it frames like - On APS-C ...

From Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary: Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary: A macro lens by Sigma for APS-C cameras, 18-300mm f/3.5-6.3. A one-lens travel zoom for APS-C DSLRs.

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