Re: Zeiss paper

[T3D John Ohrt <johrt@xxxxxxx>]

T3D john bercovitz wrote:

> Oh, by the way, the paper was a reprint from a Zeiss #51
> technical information book.  Next, the graphs were called
> contrast transfer function and not MTF.  They look for all the
> world like MTF curves, though.

I was just wondering if MT is a specific means of measuring
contrast and the perhaps contrast function was a similar but not
truly identical way of measuring contrast.

Any way, I just wish MTF was available, even at the expense of
resolution data.  At least with MTF you have a meaningful measure
of contrast at any lpm and calculating the system mtf from the
components MTFs is straigt forward.

Sigh.

Insight in this general area would be most helpful.

Anyone, please.


--

John Ohrt * Toronto * ON * Canada




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