Nikon 105mm f4 Nikkor-P (for bellows) brand_Zeiss The Canon Speedlite 600EX-RT is

The Canon Speedlite 600EX-RT is a modern Speedlite for Canon DSLR and mirrorless cameras

8 EX DC fisheye lens for Canon EF-S mount

Designed for 16mm c-mount cameras

easy to read light meter

MK-1 vertical shutter button

Nikon 105mm f4 Nikkor-P (for bellows) brand_Zeiss The Canon Speedlite 600EX-RT isNikon 105mm f4 Nikkor P lens for bellows use. No internal haze, no fungus, good diaphragm, a few internal coating lines visible under very bright light which do not affect image quality. These are likely from original assembly, and while theyre worth noting, they wont wreck your image. Please note that this lens is intended for use on bellows which are not included and does not have a focusing mechanism of its own.