Thanks, C.H. That does help. I think you have very good eyes! Mine are
getting too old :-(
Tina
On Thu, Mar 6, 2014 at 1:19 PM, C.H.Ling <ch_photo@xxxxxxxxxxxxx> wrote:
> Tina,
>
> I have never read a curve tutorial but I do have something to share:
>
> - Curve itself is very simple, a positive "S" will increase the contrast, a
> negative "S" do the other way round.
> - You can divide the curve into a few segments, emphaysis (apply "S") on
> the
> tonal range you wanted.
>
> Since you can see the result on screen in real time, it is very easy to
> learn. Curve not only affect the contrast it will also change saturations.
>
> To use the curve for color adjustment is more complex, you will need to
> adjust RGB curves separately and you may need multiple points on a curve.
>
> Basically there are two ways to do color adjustment, the first one is by
> visual and the second one is by reading the RGB values. I rely on RGB
> values
> for precise adjustment and visual to detect anything odd. Actually, I don't
> have very good eyes so I rely on my wife to do final judgement.
>
> For visual, you need a good monitor. For non pro works, I think any IPS
> monitor you purchase in recent two to three years should be okay. I'm just
> using a $140 Viewsonic 23" IPS. As long as its sRGB mode is reasonable
> accurate (gamma +/- 0.1) and have good contrast (>800) then I'm happy. I
> don't calibrate my monitors as my old Spyder 2 pro only make things worse.
>
> For reading RGB values, you need to accumulate experiences. With the help
> of
> digital, it is much easier today. Just evaluate some digital shots, read
> the
> RGB values of different human's faces, rocks, skys...etc. Put these in mind
> then you can apply them for reference when adjusting an image.
>
> Hope this help.
>
> C.H.Ling
>
>
> ----- Original Message -----
> From: "Tina Manley" <images@xxxxxxxxxxxxx>
>
>
> > Thanks, again, C.H. Can you recommend a tutorial on Curves?
> >
> > Tina
> >
> >
> > On Thu, Mar 6, 2014 at 10:20 AM, C.H.Ling <ch_photo@xxxxxxxxxxxxx>
> wrote:
> >
> >> Tina, you are welcome. Curve is a very powerful tool, I use it
> >> exclusively
> >> for adjusting the color/tone of scanned images. Not brightness/contrast,
> >> color balance...
> >>
> >> C.H.Ling
> >>
> >>
> >> ----- Original Message -----
> >> From: "Tina Manley" <images@xxxxxxxxxxxxx>
> >>
> >>
> >> > That is so much better, it's unbelievable!! I've got to get back to
> >> > studying curves.
> >> >
> >> > Thank you,
> >> >
> >> > Tina
> >> >
> >> >
> >> > On Wed, Mar 5, 2014 at 11:31 PM, C.H.Ling <ch_photo@xxxxxxxxxxxxx>
> >> wrote:
> >> >
> >> >> Perherps, a simple curve will do.
> >> >>
> >> >>
> >>
> http://www.accura.com.hk/temp/154715172.b1DJ87D9.55549_00104Edit-curve.jpg
> >> >>
> >> >> It could have been better if adjusted from an original untouched
> scan.
> >> >>
> >> >> C.H.Ling
> >> >>
> >> >> ----- Original Message -----
> >> >> From: "Tina Manley" <images@xxxxxxxxxxxxx>
> >> >> To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
> >> >> Sent: Thursday, March 06, 2014 10:22 AM
> >> >> Subject: Re: [OM] IMG: Poland
> >> >>
> >> >>
> >> >> > http://www.pbase.com/tinamanley/image/154715172
> >> >> >
> >> >> > 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/
> >>
> >>
> >>
> >
> >
> > --
> > Tina Manley
> > http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com
> > --
> > _________________________________________________________________
> > Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> > Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> > Themed Olympus Photo Exhibition: http://www.tope.nl/
> >
>
> --
> _________________________________________________________________
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> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
>
>
--
Tina Manley
http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com
--
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