Lowepro Pro Runner 350AW  type_Film Holders 5mm lens cap for the

5mm lens cap for the Leitz 5cm f2 Summitar lens (may also fit others

and one 60mm tube

If you're following along so far

Nikon BR2 reversing ring with 52mm thread/Nikon F mount

8 constant aperture

Lowepro Pro Runner 350AW &nbsptype_Film Holders 5mm lens cap for theThe Lowepro Pro Runner 350AW is a large, heavily padded backpack for medium to large sized SLR outfits. There's plenty of room for a pro camera and one of them long f2. 8 zooms and then more lenses and flashes and radios and whatever else goes into a big old bag like this when you're a real deal pro. Don't ask me what, I just type descriptions for a living. Interior dimensions are approximately 13x30x40cm.