Made the jump to LF and bought a Calumet CC 400 4x5 camera. Printed out the manaul from Mike Butkis great manual site but it says NOTHING about all the controls on the front, most of the manual is about tilts/swings. Is there a better manual? Have no idea what some of the levers,knobs on the lens do. 2-theres no filter threads on the 210mm lens. How do u attach filters? It only has an elastic dustcap. Thanks in advance. I have The View Camera by Shaman but it talks mostly of tilts/swings too.