Manfrotto 026 Lite-Tite Swivel brand_Energizer You can use them together

You can use them together or apart

The CFV II 50C back can be used with the 907X

one UV filter

If you're curious about macro work

Manfrotto 026 Lite-Tite Swivel brand_Energizer You can use them togetherThe Manfrotto 026 Lite Tite Swivel is a well made accessory that attaches to a lightstand and provides couplings for accessory studs and an umbrella. While some of the locking handles are plastic, the threads and body of the swivel are solid cast metal and the two provided studs are machined brass. More expensive than your average eBay special, but worth it. In excellent condition. Includes a removable cold shoe mount.