Canon EF 24-70mm f2.8L brand_Rodenstock The HLD-6P is a battery

The HLD-6P is a battery holder which attaches to the bottom of the 6G and provides a vertical shutter release and a pair of function buttons

This wide-angle lens is surprisingly compact and lightweight

with a CPU chip for full compatibility with modern Nikon DSLRs and a traditional AI-style aperture ring for use with almost any Nikon film SLR

allowing you to connect up to three flashes

The Argus C-Four is a more modern

Canon EF 24-70mm f2.8L brand_Rodenstock The HLD-6P is a batteryThe Canon EF 24 70mm f2. 8L is a versatile professional zoom lens with a wide range of useful focal lengths and and fast f2. 8 constant aperture. In excellent cosmetic condition overall, with only minor wear (the hood has a bit more scuffing). Clean glass and good function. A great lens. Also includes original soft pouch.