Cobra XTralite Filter Type_Colour The QR system base attaches

The QR system base attaches via either 1/4" or 3/8" inner threads

The Nikon 12-24mm f4G ED AF-S DX Nikkor is a good quality ultrawide lens for NIkon DX-format digital SLR cameras

with some wear from use

which is technically a flaw but honestly

they form the HLD-6

Cobra XTralite Filter Type_Colour The QR system base attachesThe Cobra XTRalite is a compact remote flash unit that provides a touch of extra lighting without wires: it uses a light sensor that triggers when your main flash goes off. Not power adjustable, but definitely powerful enough (still got eyeball spots). Runs on one AA battery (sold separately) but be aware that the battery chamber is pretty tight, so you'll have better luck with non rechargeable batteries.