Re: [OM] PENNS CREEK MAYFLIES

[Chuck Norcutt]

That's the good news?

Chuck Norcutt


On 6/13/2016 3:20 PM, Moose wrote:
> On 6/12/2016 5:52 PM, Chuck Norcutt wrote:
> > The second shot is pleasant, the first one has some harsh bokeh.  I
> > wanted to compare apertures between the shots but the second one has
> > no EXIF data.
> The TG-4 doesn't have a conventional aperture design "An aperture
> priority mode is also available, though you can only choose from three
> values at any given time. The reason for this is that the TG-4 has a
> 1-stop diaphragm and 3-stop ND filter after that so, for example, you
> aperture choices will be F4.9, F6.3, and F18. The good news is that
> there's no more diffraction at F18 than at F6.3 thanks to the ND filter."
>
> When, as Don says is the case here, Focus Stacking is used, ordinary
> ideas of aperture/bokeh relationship  become unclear.
>
> Deep Moose
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