Bee coolecting nectar on tufted vetch

tufted vetch _____ Vetch flowers are violet to blue‑violet, a color that bees perceive extremely well. They see in UV, blue, and violet, but very poorly in red. So for them, vetch is a very bright signal in a field_______ photo data_____ Nikon D70s, 50mm Nikkor prime lens topped with a +2 diopter close-up filter , One of my first macro photos in digital photography, in 2007. Because it is possible with basic, inexpensive equipment to do close-up photography_____ EXPOSURE DATA_____ 1/250 sec, F/16, ISO 400