ToolSmart Angle Finder by General - Never used but I did take it out of the box to see how it worked. Measure angles directly or send them to your phone by Bluetooth.
Cash only
Pick up only
see description on Amazon...
Right angle viewfinder that works with almost all popular SLR cameras on the market. Great for low angle shots, macro photography, or copy photography (where your camera is pointing straight down).Fits most Canon, Nikon, Leica, Pentax and other...