B+W NL4 close-up diopter (55mm) hand Interior dimensions are approximately 12x18x24cm

Interior dimensions are approximately 12x18x24cm (without foam)

but it does what it's meant to do

this accessory lets you control macro magnification up to 3x with a standard 50mm lens (not included

5x lifesize with a standard 50mm lens (not included)

collapsible stand that measures less than 20 inches when packed up

B+W NL4 close-up diopter (55mm) hand Interior dimensions are approximately 12x18x24cmThe B+W NL4 is a high quality +4 diopter attachment for lenses with a 55mm front filter thread. Magnification will vary based on the lens you use, but this diopter provides a bit of extra close up capability in a simple, easy to carry filter. In excellent condition.