well I'll be able to tell you all specifically about a sigma 15-600 and a sigma 105 macro, and if I feel up to it I could pull out my 55-300mm nikon - all on a D7200. I don't yet have a monopod so won't be able to test that...
John Blackburn
"Life is like a camera! Focus on what is important, capture the good times, develop from the negatives, and if things don't work out take another shot."