Hmm. That would be the M9 so I checked and it is set for no exposure
compensation, just like the other two cameras. I don't know why the EXIF
would show 2/3 stop increase.
Tina
On Sat, Nov 23, 2013 at 2:00 PM, Chuck Norcutt <
chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> Except that the 2/3 stop increased exposure in the 21mm image (as
> indicated by the EXIF data) is about what I guessed visually.
>
> Chuck Norcutt
>
>
> On 11/23/2013 5:24 AM, Jez Cunningham wrote:
> > But hitting 'auto' in LR is so extreme that you'd be hard pressed to
> > make meaningful comparison.
> >
> > On 23/11/2013, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> >> I was mistaken about equivalent exposures on the EXIF data. Now that I
> >> take another look at it I see that they both have the same aperture but
> >> the 21mm has a 2/3 stop greater exposure than the 35mm. It's 1/3 stop
> >> more sensitive on ISO and 1/3 stop greater exposure time on shutter
> >> speed. I'd have thought the exposure bias would be in the opposite
> >> direction. I'd expect the wider angle lens to see more sky and give the
> >> scene less exposure. From the EXIF data:
> >>
> >> Focal Length 35 mm 21 mm
> >> Exposure Time 1/125 sec 1/91 sec
> >> Aperture f/4.8 f/4.8
> >> ISO Equivalent 160 200
> >>
> >> Chuck Norcutt
> >>
> >>
> >> On 11/22/2013 6:40 PM, Tina Manley wrote:
> >>> LR didn't do much at all. The 21 mm lens brings in a lot more light
> than
> >>> the 35 and the 50 dims it even more. I didn't have any exposure
> >>> compensation set on any of the three cameras. I think it's just the
> >>> difference in the amount of light the various lens lengths let in. I
> >>> normally have all cameras set on center-weighted exposure which would
> >>> make
> >>> difference over averaged exposure.
> >>>
> >>> Tina
> >>>
> >>>
> >>> On Sat, Nov 23, 2013 at 12:35 AM, Chuck Norcutt <
> >>> chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> >>>
> >>>> Both color images have equivalent exposures recorded in the EXIF data
> >>>> but the 21mm image is *much brighter* than the 35mm image. What do
> >>>> these things look like before LR was allowed to play with them?
> >>>>
> >>>> Chuck Norcutt
> >>>>
> >>>>
> >>>> On 11/22/2013 3:22 PM, Tina Manley wrote:
> >>>>> PESO:
> >>>>>
> >>>>> I've just now started downloading all of the photos from my trip to
> >>>>> Italy
> >>>>> but I thought it would be fun to compare the three cameras that I
> took.
> >>>>> Each one had a different lens which will also make a difference!
> >>>>>
> >>>>> http://www.pbase.com/tinamanley/image/153485285
> >>>>>
> >>>>> http://www.pbase.com/tinamanley/image/153485286
> >>>>>
> >>>>> http://www.pbase.com/tinamanley/image/153485287
> >>>>>
> >>>>> They were all three processed minimally in LR by just hitting Auto
> and
> >>>>> adding a small amount of Clarity and Vibrance. I'm sure I'll work on
> >>>> them
> >>>>> some more but I wanted to compare the cameras, not the processing.
> >>>> Maybe I
> >>>>> should post a 100% crop from each?
> >>>>>
> >>>>> C&C greatly appreciated.
> >>>>>
> >>>>> Tina
> >>>>>
> >>>> --
> >>>> _________________________________________________________________
> >>>> 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/
> >>
> >>
> --
> _________________________________________________________________
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
>
>
--
Tina Manley
http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com
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