Lens: M42 mount Lens
Camera: Micro 4/3 Mount Camera
Olympus PEN E-P1 E-P2 E-P3 E-PL1 E-PL2 E-PL3 E-PM1 OM-D E-M5, Panasonic Lumix DMC-GF1, GF2, Gf3, GF5, GH1, GH2, G1, G2, G3, G5
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