Manfrotto 420B Combi Boom Stand (Black) Power Supply Accessories The Tiffen 72-77mm Step-Up Ring

The Tiffen 72-77mm Step-Up Ring is a step-up ring permitting the use of 77mm threaded filters on a 72mm threaded lens

Embedded algorithms for run-time bias and compass calibration

A white umbrella without a black backing may also be used as a makeshift softbox

and 5 are also available where this filter type's effect becomes approximately twice as strong with each grade number increase

Manfrotto 420B Combi Boom Stand (Black) Power Supply Accessories The Tiffen 72-77mm Step-Up RingConvertible Boom Stand Includes Sandbag Counterweight (Empty) 12. 8' (3. 9m) Reversible Spigot This is a Manfrotto Combi Boom Stand . Extend the second riser of this medium duty black aluminum light stand to its maximum, press a lever, and you have a stand with a two section boom arm. When used as a boom stand, its maximum load is 4. 5 lbs (2 kg) strong enough for a small light fixture with a small softbox or umbrella. A sandbag counterweight is