« **Reply #3 on:** **Today** at 08:52:56 AM »

Indeed, it has all to do with manufacturing tollerancies. The lens can focus something further then infinity. So real infinity for your combo is a little then the infinity mark on the lens.

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Camera: 1Dx, 5D3, 7D, 300D | Prime:14 2.8Lii, 24 1.4Lii, 50 1.4, 85 1.2Lii, 100 2.8Lmacro, 300 2.8Lii | Zoom: 16-35 4.0L, 24-105 4.0L, 70-200 2.8Lii, 200-400 1.4x 4.0L | TS-E 24 3.5Lii | Other: 1.4xIII, 2.0xIII, 2x YN568, 6x YN560iii, YN622TX, 6x YN622, 2x YN560TX, 6x YN603, CamRanger, ...