Canon EF 100mm f2 USM ball head the additional extension provides magnification

the additional extension provides magnification up to 3

Canon TTL Hot Shoe Adapter 3 for off-camera TTL flash control using Canon’s corded off-camera TTL accessories

the Nodal Ninja lets you accurately line up your lens nodal point to generate accurate

and spot/Matrix metering

but it's worth noting that the viewfinder eyecup is missing (there's no effect on function or usability- it's a cosmetic thing)

Canon EF 100mm f2 USM ball head the additional extension provides magnificationThe Canon 100mm f2 USM is a compact short telephoto lens with a nice, fast aperture. Great for low light shooting or portraits, this lens is in excellent condition, with only very minor cosmetic wear and light internal dust which wont affect imaging.