For more information on shooting weddings check out the full Fstoppers tutorial here:

https://fstoppers.com/product/how-become-professional-commercial-wedding-photographer-dvd

Here is a list of equipment used to shoot the rings in the video:
Fstoppers FlashDisc : http://amzn.to/25opCL1

Nikon AF-S FX Micro-NIKKOR 60mm f/2.8G ED Fixed Zoom Lens: http://amzn.to/1TEuQwI