One question I receive in my workshops for beginners is about flashes. Particularly “What the heck is this for?” And, “Does it actually do anything?” Not all flashes have these two items that cover the flash head and pull straight out, but if yours does and you’ve always wondered, here is your answer. Those two items both serve different purposes. The one that flips over the flash itself is a diffuser. Its job is to spread out the light from the flash.

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Does That Little Flip Up Diffuser Actually Help?