Posted by a reviewer on Amazon

First unit i had must have been faulty

Posted by a reviewer on Amazon

I own 4 macro lenses for the canon eos system and am a semipro plant garden and macro wildlife photographer with hundreds of images published

Posted by a reviewer on Amazon

So the yongnuo twin flash appealed for price alone

Posted by a reviewer on Amazon

This is not a criticism of the flash

Posted by a reviewer on Amazon

Simple and fairly effective although the ring turns too easily on the adaptor and the adaptors supplied didnt fit the filter size of two of my lenses

Posted by a reviewer on Amazon

I had to purchase a set of step up rings to allow my other macro lenses to use the system

Posted by a reviewer on Amazon

The flash exposure is either manual or ettl with flash exposure compensation fec

Posted by a reviewer on Amazon

The ettl is not the latest ettl2 canon protocol but does the job although it does require variable stops of fec