Robert Bailey wrote:
Photographed on Monday, March 25 at Butterfly World in Florida.
Hand-held (no tripods or monopods allowed).
I used a 120 mm Pentax macro lens from the 645 (medium format) system
on a Nikon D750 (full-frame) camera. The crop factor is 1.7, so the field of view
is like that of of a 200 mm lens.