Manfrotto Hex-Plate Quick Release System brand_Vivitar The Nikon Speedlight SB-21 is

The Nikon Speedlight SB-21 is a macro light for Nikon cameras (or others) with 52mm front lend threads

with some internal dust which won't affect imaging

5 lens for the Mamiya C series of interchangeable lens TLR cameras

and focusing action is nice and smooth

It’s barely bigger than a pack of cards and the zoom lens provides an equivalent zoom range of 24-720mm

Manfrotto Hex-Plate Quick Release System brand_Vivitar The Nikon Speedlight SB-21 isThe Manfrotto hex plate Quick Release system lets you adapt any tripod or accessory to use Manfrotto hex plates a great solution if you're working with bigger cameras. The QR system base attaches via either 1 4" or 3 8" inner threads; the hex plate includes both 1 4" and 3 8" bolts for camera attachment. Some paint wear, good function. Includes one base and one hex plate.