Re: [OM] E-M5 mk III

[Frank]

Did you take into account that the Oly 30mm at closest focus actually does
1,25: 1, and the Pana 1: 1?



Op ma 18 nov. 2019 om 06:44 schreef Moose

>
> They both have very short closest working distances. The spec closest
> focus doesn't look so bad in the specs, but
> remember, that's from the focal plane. The way that plays out is:
>
>                          Register     Lens       Sum       Closest Working
> Distance
>                         Distance      Length Focus          mm     in.
> Panny 30 mm    19.25         63.5      82.75       105 22.25          7/8 "
> Oly 30 mm        19.25           60        79.25         95 15.75
> 5/8 "
> Panny 45 mm    19.25          62.5     81.75       150        68.25      2
> 11/16 "
> Oly 60 mm        19.25           82      101.25       190 88.75      3 1/2
> "
> (That the actual closest distance for the 60/2.8 is ~ 3 3/8" confirms that
> the math works.)
>
>
>
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