----- Original Message ----- From: "keller.schaefer" Subject: Re: FA 31 mm 1.8 limited
> I think both statements miss the point somehow. > > From sensor format and resolution I calculate that the *ist D has 128 pixels per > mm, which means an ideal and theoretial ability to resolve 64 line pairs per mm > (correct me if I am wrong). So everything that a lens can possible deliver over > 64 lp/mm is wasted on the sensor by definition. The REAL resolving power of the > sensor will be (way) below that due to the geometry of the sensor pixels, maybe > somewhere around 40. In real life, thats probably all you are getting out of a camera lens anyway. William Robb
