Nikkor Super Telephoto sharpness

Started 4 months ago | Discussions thread
HUN Regular Member • Posts: 205
Re: Ideal lens MTFs

It seems from this explanation that Nikon use / mean lines for the lower resolution and line pairs for the higher (30) resolution. Basically they are showing 20 lines and 30 lines.

https://www.nikonusa.com/en/learn-and-explore/a/products-and-innovation/what-is-a-lens-mtf-chart-how-do-i-read-it.html

"There are two groups of test lines for each Sagital and Meridonial value: one group or line pairs at 10 lines per millimeter and a second group at 30 lines per millimeter. The lower line pairs (10 lines/mm) will generally be plotted higher on the graph than the more challenging fine resolution 30 lines/mm."

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