if this all about photography workshop,then I am seeing the tea for the first time in my life,and I thought I am drinking tea for for 35 years, and if this is yours,you deserve a salute from me,and from my kinds,the only cup of tea that I have ,some lenses from the eye glass seller,with few fixing cartoons that I have by my hands for fixing the lenses so close to the cameras,even those lenses I have discovered by myself,that they have great value in close up photography some thirty years ago, I have to say it again,if this this the workshop of close up photography,then we are living at an other world, have from me my best regards, and so thankful to you for showing , Saad.