Minolta Battery Pack BP-90M brand_Lomography It provides extra magnification for

It provides extra magnification for close-up work

The Lowepro Dryzone 100 is a heavy backpack - no getting around it

all-brass (except for the optics hm) loupe with 6x magnification for inspection of transparencies or groundglass

The Pentax PC35AF is a compact point-and-shoot camera with autoexposure

Minolta Battery Pack BP-90M brand_Lomography It provides extra magnification forThe Minolta Battery Pack BP 90M couples to a Minolta MD 90 motor drive, which itself attaches to a Minolta Maxxum 9000 camera, providing drive speeds of up to 5 frames per second. Camera and motor drive are sold separately, but this BP 90M is in excellent condition almost unused and would definitely make a nice addition to any Minolta Maxxum 9000 stack.