BORG ・7842 (Helicoid System) ・7844 (Conversion Ring) Bonus ・M-mount conversion adapter This is a kit to add a helicoid function to a Leica Focotar enlarging lens, allowing it to be attached to a Leica M-type body for photography. Made by BORG, a company famous for astronomical telescopes, so it's a reliable product. An M-mount conversion adapter is also included as a bonus. (Photo 3 shows all three items attached) ▫️Reference Price ・7842: ¥14500 (Production has already ended, making it difficult to obtain) ・7844: ¥5720 ※If you purchase this with a Focotar, we will discount the total price by ¥1000. ➡️#Focotar