Archived posting to the Leica Users Group, 2014/02/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]plus a few choice observations.... And thanks all for the input. Bob Adler > On Feb 22, 2014, at 10:36 AM, Tina Manley <images at comporium.net> wrote: > > You know exactly what it would be! > > KISS!! > > Tina > > > On Sat, Feb 22, 2014 at 12:57 PM, Nathan Wajsman <photo at > frozenlight.eu>wrote: > >> I'd love to hear Ted's perspective on this thread ;-) >> >> Nathan Wajsman >> Alicante, Spain >> http://www.frozenlight.eu >> http://www.greatpix.eu >> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws >> Blog: http://nathansmusings.wordpress.com/ >> >> YNWA >> >> >> >> >> >> >> >> >> >>> On Feb 22, 2014, at 5:52 PM, Doug Herr wrote: >>> >>> Frank Filippone wrote: >>> >>> ( why there really is a >>> fine focus adjust feature in higher end cameras.. camera AF is adjusted >> by >>> the user to nail down the precise focus location. >>> <<< >>> >>> AF micro-adjust is on DSLR cameras so that the user can compensate for >> the differences between the image plane at the AF sensor and at the image >> sensor, and for differences in the phase-detect system's assumption of the >> lens' focal length and the actual focal length (read: manufacturing >> tolerances). A camera using the image sensor as the AF sensor eliminates >> the image plane discrepancy and a phase-detect + contrast-detect system >> such as used by the A7 eliminates the phase-detect system's focal length >> assumption discrepancy. The A7 (and A6000) should have no need for AF >> micro-adjustment, likewise the A7r which is contrast-detect only. >>> >>> >>> Doug Herr >>> Birdman of Sacramento >>> http://www.wildlightphoto.com >>> >>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > -- > Tina Manley > http:// <http://tina-manley.artistwebsites.com/>www.tinamanley.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information