Promaster Spectrum 7 Extension Tube Set for Nikon F lens mount_Argus C3 but excellent functionality

but excellent functionality

you'd set the first dial to 10

This developer is designed for use on photographic paper only

This is a well made wide angle conversion lens that provides a pretty decent 0

Promaster Spectrum 7 Extension Tube Set for Nikon F lens mount_Argus C3 but excellent functionalityA set of three extension tubes for Nikon F mount: 12mm, 20mm, and 36mm. These tubes have the electronic contacts necessary to maintain autofocus and autoexposure capabilities. If you're curious about dabbling in macro work, this is an inexpensive way to get started. Good working order, light cosmetic wear. Includes rear cap; lens and camera sold separately.