Nikon PB-5 iso_160 The Kenko Fish-Eye 180º is

The Kenko Fish-Eye 180º is an accessory fisheye lens for lenses with 52mm threads

you'll love the Minolta Talker

neither of which should affect imaging

The Vivitar AT-22 extension tube set is for Pentax K mount lenses

the Canon EF 70-300mm f4-5

Nikon PB-5 iso_160 The Kenko Fish-Eye 180º isThe Nikon PB 5 is a well made macro bellows with a rigid two rail design. Accepts any Nikon F mount lens; the camera end is a standard F mount but practical compatibility will depend on the shape of your camera (some bulkier AF and digital cameras will require an additional extension tube not included to clear the back of the rail). In excellent condition, with minor cosmetic wear.