Re: [OM] Pixco adapters -bad; Big_IS -good (was "Re: How Ken invented

[Ken Norton]

> The stock screen is largely only good to
> providing accurate information to about F4 regardless of acuity of
> vision--perhaps slightly better as mentioned but not significantly so.


OK, this is a confusing statement to me. Are you saying that manual
focusing is really only effective from F1.4 to F4? Or from F4 to F22?

AG
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