Canon EF-S 55-250mm f/4-5.6 IS STM
The EF-S 55-250mm f/4-5.6 IS STM should be the perfect choice for zoom lens with good optics and solid Value for Canon APS-C DSLR cameras. It can meet your long range photo taking requirement and also provide good value at $299. Autofocusing is fast with the new STM motor and this lens comes with Image Stabilization which means you can take better pictures in low light than a comparable lens with no Image Stabilization.
Canon EF 70-300mm f/4-5.6 IS II USM
The EF 70-300mm f/4-5.6 IS II USM is the ideal telephoto option for Canon APS-C DSLR cameras with sharp optics and fast autofocusing for capturing fast action at different focal lengths. This lens will give you longer reach than the EF-S 55-250mm f/4-5.6 IS STM and also faster auto-focusing and better build quality which the 55-250mm cannot match and also whenever you make the shift from APS-C DSLR to Full-Frame this lens will still serve you on your new Full frame camera as the 70-300mm is an EF lens which means it is actually a Full frame lens which is compatible and works perfectly well on APS-C DSLR’s on the other hand EF-S 55-250mm f/4-5.6 IS STM is strictly meant for only APS-C DSLR’s and not Full-Frame Cameras.