This is a set of three auto extension tubes (13mm, 20mm, and 27mm) for Yashica/Contax mount. These rings are attached between the lens and the camera, allowing for easy close-up and macro photography. A wide range of magnification is possible depending on the combination. They have been stored in a dehumidified, auto-clean dry cabinet since purchase. ● Brand Contax ● Item ・ Auto Extension Tube Set 　Color: Black 　Mount: Yashica/Contax mount (YC mount) 　Set of 3 (13mm, 20mm, and 27mm) 　Made in Japan ● Accessories 　Rear lens cap 　Body cap ● Condition Good condition. There are no problems with the operation. There are minor scratches and scuffs on the exterior, but no dents or major damage. I believe there are no problems with use. Please forgive any minor oversights. ※ Please be sure to read the profile. ※ Please understand that there may be scratches and deterioration due to the age of the item. ※ Please understand that this is a used, vintage item.