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I have a canon A75 digital camera and I'm looking for a telephoto lens for sure and maybe a wide angle. I'm not a photographer by any means and don't need anything spectacular.
Is there anything wrong with
this one, and are the filters necessary?
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I know nothing about the lens linked, other then to say that when making a onetime purchase of optics, you are best off buying the highest quality compatible, in this case Canon.
Either way, you need the
Canon Adapter Ring first. This is the ring that allows to attach either the wide or telephoto lens.
Then you can either buy the ones you linked, or the
Canon Wide or the
Canon Telephoto lens.
Enjoy.
EDIT:
Filters...
The filters are nice to have, but day to day, no you do not need them for taking casual photos.
If you have photoshop, you really dont need them at all, but them are nice in some cases for 'artsy' stuff.