SHOTEN Mount Adapter LM-SE M (L) (Leica M-mount lens to Sony E-mount conversion) with helicoid Used with a Sony camera. M-mount interchangeable lenses for rangefinder cameras like Leica have a relatively long minimum focusing distance, but using an adapter with a helicoid shortens the minimum focusing distance. The LM-SE M (L) has a 5mm extension, allowing for a significant reduction and enabling close-up shooting with Leica M-mount lenses. Model Number: LM-SE M (L) Functions: Mount conversion, with helicoid (extension: 5mm) Compatible Lens Mount: Leica M-mount Compatible Camera Mount: Sony E-mount Materials: Brass x Stainless Steel Color: Black Notes: ■Focus is manual focus (MF). Please read the following carefully: First, please only bid if you are sure to pay. To prevent swapping, returns and exchanges are not accepted. If you have any questions, please ask before purchasing to avoid future problems. *Regarding all products, we only sell authentic items, so please refrain from asking if they are authentic. *We do not accept price negotiations, and we will not respond to such inquiries. Please complete the payment process within 3 days of purchase. Shipping will occur after payment is received. The buyer is responsible for any fees associated with the payment. *The condition assessment of USED items is based solely on subjective judgment. We strictly refuse bids from those who are overly sensitive to USED items. Please note that there may be slight errors in the detailed size measurements due to amateur measurements.