Henry's Auto Macro Bellows for M42 lens mount_Large Format compact digital camera with a

compact digital camera with a 10mp CCD sensor and a 12x zoom lens- and it runs on 4 AA batteries (included

so it might just be worth the trouble

But if you have a Sony or Minolta Maxxum SLR

Cosmetics are very good

but they mostly manufactured little plastic slide viewers

Henry's Auto Macro Bellows for M42 lens mount_Large Format compact digital camera with aThis Henry's bellows set includes a bellows, focusing rail, and slide duplicator attachment, plus a double cable release. This is a good quality metal accessory designed for M42 thread mount cameras and lenses, allowing for very high magnification macro shooting, as well as film copying with the included accessory. Also included with this bellows: some lens thread adapters to use the slide copying attachment on lenses with front thread diameters of 49