That looks promising Wayne, AF I assume? Does the Sony do focus stacking
with that lens?
...Wayne
> -----Original Message-----
> From: olympus <olympus-
> bounces+wayne.harridge=structuregraphs.com@xxxxxxxxxxxxxxxxx> On
> Behalf Of Wayne Shumaker
> Sent: Thursday, 6 January 2022 4:43 AM
> To: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
> Subject: [OM] Close up filters again
>
> I recently acquired a 500D and have been testing on the sony 100-400. One
of
> the reasons I was interested in the magnetic filter approach that now
eludes
> me.
>
> What I notice is that at 400mm the working distance ranges from 50cm at
> infinity (hence 500D name) to about 28cm at lens MFD. However it does not
> seem like the magnification changes all that much. Only tweaking the Zoom
> does the magnification really change.
>
> It is a different way of working to a traditional macro lens where
distance sets
> the magnification. But this also implies more working distance and less
critical
> to getting exact distance to subject as magnification can be adjusted with
> zoom.
>
> (from wikipedia the magnification would go from 0.8 to 1.05 with this lens
at
> 400mm. The lens focal length probably changes at MFD though as ~28cm was
> what I measured vs 33cm calculated)
>
> My first OK photo with the 500D CU at 400mm/F9 hand held.
>
> https://photos.app.goo.gl/3Tq4FpYUnhsS2kKe8
>
> WayneS
>
> --
> __________________________________________________________
> _______
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|