Only had the lens & TC for 4 days, but absolutely LOVE it!
Focus is very quick & seems spot on. (hope I can do it justice
2 shots of washing on the line from about 30' away.(Approx 20mins apart)
Decided to see what the strong sunshine & shadows produced.
Both hand held & in aperture priority on D7000. No PP'ing
F4, 1/800th, ISO 160
With the 1.7 TC added
F5, 1/800th, ISO 200
Crops from each; (& turned obviously