Canon

The Canon ST-E3-RT Speedlite Transmitter can help you take full advantage of all the latest features on Canon's top-of-the-line 600EX-RT flash. The ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission up to 98.4' away, among up to five...

The Canon Tripod Mount Ring B (black color) is the tripod collar for the EF 100mm f/2.8 Macro USM MP-E65mm f/2.8 & EF 180mm f/3.5L Macro USM lenses. Comes supplied with a dedicated Tripod Collar Adapter.