the needle from the previous image and one of my scalp hairs and it's roots.
Sigma 2x teleconvertor, EF 75-300 III @ 300mm and F5.6 and a reversed olympus 50mm at F11.
The EF 75-300 has had its rear flare guard removed to allow the 2X to work with it at 200-300mm zoom range. The Macro magnification is 15:1 .