The westcott 43 inch optical white satin collapsible umbrella can be used both as a shoot through diffuser and as a bounce light source it is small enough to position close to the subject and collapsible to just 37cm for easy transportation to on location jobs maximum recommended wattage is 750 while the shaft is finished with a 7mm tapered tip meaning it can be used with almost all flash heads and brackets including elinchrom umbrellas allow for a quick and easy set up and are a particula