Hi,

I am having difficulties on deciding with lenses to purchase.
77mm or 82mm?

The new Canon EF24-77mm F2.8 II coming out is a 82mm
so is EF 16-35 F2.8 II

or do I go with the

the current Canon EF24-77mm F2.8 is 77mm
so is the EF 17-40 F4 lens

Thank you,
Sandra