Archived posting to the Leica Users Group, 2012/09/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks Don. PhaseOne backs (newer, IQ models) seem to employ this technology also. Wonderful for landscapes and tilt. Best, Bob On Wed, Sep 19, 2012 at 1:38 AM, Don Dory <don.dory at gmail.com> wrote: > Robert, > Focus peaking is from the video realm. You can choose your color and the > level of the peaking effect. To try it out while waiting for Leica pick up > a Sony Nex 5 or Nex 7. As others have mentioned you see the effect on the > whole screen, it accounts for your depth of field so the effect shows you > what will be in focus as you stop down fairly effectively. > > Caveats would be it is a learned tool much like focusing on ground glass; > if you turn up the peaking level you can get false positives as the peaking > color bleeds over into areas that are not really in focus. Also, if your > lens doesn't have a crisp transition from out of focus to in focus it can > be difficult to use; a wide angle like the 18mm Zeiss will show everything > in focus or a 35 Summicron stopped down to F8 at intermediate distances > will show most everything glowing in red(or yellow or white). > > The plus side is that it will put new life in lenses such as the 75 > Summilux as focus peaking takes into account field curvature so you really > can focus off center quickly and easily. Also, with the right adapter you > can now use any lens in your stable or do macro with your M. > > If any of you do decide to go and check out the principle with a Sony Nex > you will need to use its somewhat ill conceived menu. In the menu go to > the lower right option and scroll down, way down until you can set several > things. 1) allow firing without a lens attached 2) allow focus peaking 3) > choose a color 4) choose a level of focus peaking. Also enable manual > focusing. > > Thanks for listening and now back to lurking. > > Don Dory > > On Tue, Sep 18, 2012 at 10:43 PM, Robert Adler <rgacpa at gmail.com> wrote: > > > This sounds very much like the Focus Mask available on the PhaseOne IQ > > digital backs. Either in Live View or after exposure it highlights the in > > focus areas based on contrast, as Doug describes. In the PhaseOnes you > can > > even adjust the level of contrast to use to show the in-focus mask (my > > guess is not part of the M offering). I would LOVE to have a back like > > this... > > > > It's a wonderful feature if you think about it. If your lens is finicky > > about having to be exactly mated to the body (Noctilux/75 'lux), you > could > > live with a little back or front focus. If you could see what was in > focus > > with these red lines (let's say the pupil of an eye against the white of > > the eye), just moving your head until the area you want in focus lights > up > > would be terrific. Heck, even if your lens was perfectly mated, you'd get > > more in focus hits than before at wide open... > > > > If that is now available via live view on the EVF, it may well be worth > the > > price of admission... > > IMO. > > We shall see > > > > Bob Adler > > Redwood City, CA > > http://www.rgaphoto.com > > > > > > ------------------------------ > > *From:* Robert Baron <robertbaron1 at gmail.com> > > *To:* Leica Users Group <lug at leica-users.org> > > *Sent:* Tue, September 18, 2012 2:02:41 PM > > *Subject:* Re: [Leica] What Is 'Focus Peaking'? > > > > I ask because there have been references to the new 'M' camera using > 'focus > > peaking' which is something new to me. > > > > As are more and more things these days... > > > > Thanks, > > > > --Bob > > > > ==On Tue, Sep 18, 2012 at 3:45 PM, leo wesson <leowesson at gmail.com> > wrote: > > > > > On video? On my camera, I get a red line when something is in focus. > > > Apparently some still cameras use it. > > > > > > http://www.luminous-landscape.com/forum/index.php?topic=56246.0 > > > > > > Leo Wesson > > > Photographer/Videographer > > > 817.733.9157 > > > www.leowesson.com > > > > > > > > > On Tue, Sep 18, 2012 at 3:37 PM, Robert Baron <robertbaron1 at > > > gmail.com > > > >wrote: > > > > > > > An enquiring mind wants to know. > > > > > > > > > > > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > > -- > > Bob Adler > > http://www.rgaphoto.com > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > -- > Don > don.dory at gmail.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Bob Adler http://www.rgaphoto.com