I am new to cameras and have been made an offer to swap something for a A7 with a 28-70mm lens, I was wondering what the estimated cost of those 2 paired together would be? and if it is good for a starter, many thanks 

I am new to cameras and have been made an offer to swap something for a A7 with a 28-70mm lens, I was wondering what the estimated cost of those 2 paired together would be? and if it is good for a starter, many thanks![]()