- Really Right Stuff for great tripod ball heads, mounting plates and accessories. I've just discovered that the Bogen ball head that I'm using has a removable quick release plate so I'll be converting to the Arca-Swiss style offered by RRS.

Also consider Kirk equipment. Also uses the Arca-Swiss style of mount but made right here in Angola, Indiana!

Katz Eye Optics - offering custom focusing screens for SLR and DSLRs.