圖片僅作供參考，並不代表產品實物及所包括配件。 Pictures shown are for illustration purpose only and may not be an exact representation of the product and accessories included.
Description
The special full-frame reducer of 61EDPH Ⅲ: One end of the thread is M68 × 1, connected to the focuser; the other end of the thread is M48 × 0.75 and has a built-in 2" filter thread.
