Canon EF 100mm f2.8 USM Macro Filter Type_Close-Up The Canon Speedlite Transmitter ST-E3-RT

The Canon Speedlite Transmitter ST-E3-RT is a radio trnamitter and control system for the Canon RT radio remote flash system

In excellent condition overall

The MB-23 uses 6 AA batteries (not included) or a rechargeable battery pack (also not included)

based on serial number

Canon EF 100mm f2.8 USM Macro Filter Type_Close-Up The Canon Speedlite Transmitter ST-E3-RTThe Canon 100mm f2. 8 USM Macro is a good quality macro lens that provides magnification up to 1: 1 without the use of extension tubes. It's also an excellent short telephoto lens in general, making it a good choice for portraits or other slightly far away subjects. In excellent condition, with clean glass and good function.