Is it worth buying 2 brands of each lens?
Is it worth buying 2 brands of each lens? First off, I know the context of this question will kind of sound like bait, but I am completely serious and would genuinely appreciate the advice of others who have more experience than me. I recently (this October) got in to digital photography, after shooting on film for years. Since I already had experience with SLRs, and knew the fundamenta...