Nikon 55-300mm f4.5-5.6G ED AF-S VR DX Nikkor  type_Adapters It features a trick hybrid

It features a trick hybrid electro-mechanical shutter with speeds from 1s to 1/4000s (plus Bulb) and aperture-priority autoexposure

complete with its original spelling error ("extention")

Canon BP-718 battery pack

These a re manual tubes: there is no stop-down mechanism built in

Produced from 1901 to 1935

Nikon 55-300mm f4.5-5.6G ED AF-S VR DX Nikkor &nbsptype_Adapters It features a trick hybridThe Nikon 55 300mm f4. 5 5. 6G ED AF S VR DX Nikkor is a telephoto zoom lens lens for Nikon DX format digital SLR cameras. Its long zoom range, image stabilizer, and relatively compact size make it a nice walk around zoom. In excellent condition, with original hood and soft case.