-If this is your first time to purchase the “soratama72,” please also buy the “Extension Tube 72.” You are able to adjust the length of the tube by 5mm. The length adjustment is necessary depending on the focal distance and the shortest photographing distance.
-The diameter of the “soratama 72” is 72mm. To fix it onto a lens, please use the step-up ring which is sold separately. For example, if you are going to fix the “soratama 72” onto a 52mm diameter lens, please use a 52-72mm step-up ring. If you are going to fix the “soratama 72” onto a 77mm diameter lens, please use a 77-72mm step-down ring.
-The suitable lenses for “soratama 72” are wide-angle and standard lenses. Because you need to make a focused close up photographing when using this product, please prepare a close-up ring which is sold separately. If your lens does not have a diaphragm operation system, please buy a close-up ring with electronic contacts. It can be used with macro lens however you need to extend the extension tube when using with telephoto lens system. For this, we do not recommend using the macro lens.
-In regards to the near future, we are planning to translate this website to English and Chinese. Please look forward to it.