12-29-2016, 01:24 PM
BC for whatever reason statements like "It seems that you have no idea what you are talking about " do not help.
However think you gave a very good definition of accurate focus that's when "projected image is in focus on the sensor"
That's what we are looking for but how would you or the camera know that "projected image is in focus on the sensor"
For mirrorless it's evident since you are using the sensor itself for an SLR autofocus sensors aren't the same as image sensor so you need alignment for each lens, also the focus screen needs alignment with the sensor so that your eyes know when "projected image is in focus on the sensor"
Got our point ?
However think you gave a very good definition of accurate focus that's when "projected image is in focus on the sensor"
That's what we are looking for but how would you or the camera know that "projected image is in focus on the sensor"
For mirrorless it's evident since you are using the sensor itself for an SLR autofocus sensors aren't the same as image sensor so you need alignment for each lens, also the focus screen needs alignment with the sensor so that your eyes know when "projected image is in focus on the sensor"
Got our point ?