Manual lens adapter ring III generation M42-M4/3

Features:

• This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses
• The adapters are precision made to insure the perfect fit
• Allows focus infinity
• Diaphragm control of the lens is set manually.
• High quality and compact
• Made of brass and aluminum (not plastic).
• 100% Brand New

Note

Infinity focus position：the position of the infinity mark " ∞ " of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity