High-quality The M42 lens adapter M39/ leica 39 adjustable focusing spiral 12mm~17mm.The 

adapter is compatible with the M42（pitch of screw 1mm） lens.

Brass by the inner core and the aluminum anode oxide film in high quality black.

The spiral pipe length of 12mm (shortest) to 17mm (longest), it provides a total movement distance is 5mm lens. Independent product assembly, there will be 1 mm error.

This focusing spiral tube with standard M42 and M39/ Leica 39 light alloy.

This is a female 42mm lens mount and 39mm side is male mountain.

It can be used as macro barrel.

Instrutoin: the spiral tube lens, then the lens and camera with spiral pipe.

This is a list of the adjustable focusing spiral 12mm-17mm M42 to M39/L39 lens adapter.

Ordinary Blackening Technology, weakened the effect of light is poor,Our Adapter, Lens hood, Adjustable Focusing Helicoid and all the inner hole,The black coating which is tailored, weaken the function of light. You don't try to clean it,will fall off powder, affect your camera.Please choose carefully!

Note: Body color of the adapter is shown for reference only. Body color may be subject to change by manufacturer, but the function is the same.

We accept PayPal and Bank Transfer.
We ship within 2 business days after payment. will ship worldwide from CHINA.Your 100% satisfication and 5-star positive feedback is very important for us, please contact us first if you have any problems before leave negative or open ebay case or paypal dispute. Thank you very much!
We offer 1 year warranty.All sales are final. When you receive your package, promptly check the items to make sure the items are intact. We will credit or exchange for DEFECTIVE items only. Or if the product was sent to you in error by our staff.All Shipping and Handling cost will not be refunded.
If product are not found defective, buyer need to bear the postage cost for posting back the item(s). Returning charger is covered by buyer, we will cover the charge for reshipment.
if you have any problems, we will reply within 48 hours. if you have any urgent matters, call us please.Thank you!