Lowepro Flipside 200 ac coupler but is almost certainly some

but is almost certainly some sort of motley alloy

so it's not exactly well adapted for life outside the lab: it's kind of bulky

it fits on 46mm threads and provides a pretty noticeable wide angle effect

Not the sharpest lens ever made

Lowepro Flipside 200 ac coupler but is almost certainly someThe Lowepro Flipside 200 is a compact backpack sized to hold a small to medium system. Narrow and low profile, with good padding. Like all Flipside bags, this one opens on the back the side that sits closest to your body for extra security. In excellent condition. Interior dimensions are approximately 12x20x36cm without the removable zippered pouch, 12x20x32 with.