Attached with the ASI071MC-C.
The extender is designed to help you to reach 55mm or any other back focus distance.
In this example the aim is to reach 55mm with an OAG: attach the 21mm extender to ASI071 to reach 55mm back focus distance:17.5mm+21mm+16.5mm=55mm
تمامی حقوق مادی و معنوی مربوط به این وبگاه و مطالب آن متعلق به شرکت فرداد آسمان پارس است .