Neewer Extension Tube Set for Micro Four Thirds  type_Black & White The Canon Speedlite 220EX is

The Canon Speedlite 220EX is a compact on-camera flash compatible with Canon EOS film and digital cameras

measuring approximately 18x36x40cm (with few extra cm thickness available thanks to a zippable expansion)

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wind about 2 turns

5 is a simple lens for medium format enlarging

Neewer Extension Tube Set for Micro Four Thirds &nbsptype_Black & White The Canon Speedlite 220EX isThis is a two piece extension tube set, with 10mm and 16mm tubes that can be used separately or as a pair to increase the close up magnification of nearly any lens. Designed for Micro Four Thirds cameras and lenses (sold separately, as you might imagine.)