Photographers: Do you think the Nikon D750 or Pentax K1 is more flexible as far as lenses and equipment goes?

Photographers: Do you think the Nikon D750 or Pentax K1 is more flexible as far as lenses and equipment goes?

Read more: Photographers: Do you think the Nikon D750 or Pentax K1 is more flexible as far as lenses and equipment goes?