Archived posting to the Leica Users Group, 2015/07/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Don, that makes 0.04, since my 0.02 is right beside yours with the A7s. On Wed, Jul 8, 2015 at 4:10 PM, Don Dory <don.dory at gmail.com> wrote: > My 0.02, the focus peaking works wonderfully well if you have a lens with > excellent contrast; any of the new ASPH's or Canon L lenses work very > well. In fact, the only lenses that cause me grief are the older > generation wide angles like the 21 3.4 SA or a Russian 35 Biogon clone. > > Lenses with near 0 depth of field also work very well such as the 75 > Summilux or a Noctilux both wide open. The trick is to set the focus > peaking level to the least that you can consistently detect. Then just > like the old days of manual focus where you were looking at the increased > contrast as much as the relative sharpness of an image you look for the > focus peaking color to drift across the image as you focus. Just like Dr. > Ted tells you with a rangefinder, don't saw back and forth but when the > color hits you are in focus. > > I have had a Nex 7 since they came out and also have had a A7R for a while > now. It is just a new skill to learn and as always the best lenses do > better. > > 0.02 out > > On Wed, Jul 8, 2015 at 3:57 PM, Frank Filippone <red735i at verizon.net> > wrote: > > > Agreed, at f5.6 or larger..... and for longer lenses.....where DOF is > more > > narrow to begin with. > > > > Frank Filippone > > Red735i at verizon.net > > > > > > -----Original Message----- > > From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] On > > Behalf > > Of Sonny Carter > > Sent: Wednesday, July 08, 2015 8:06 AM > > To: Leica Users Group > > Subject: Re: [Leica] Leicaflex users, past and present... Question..... > > > > When using Leica or Konica, or any other non-Sony/Zeiss lenses on my A7, > > I'm > > normally working at f5.6 or wider, and the focus assist does just fine at > > those apertures. > > > > I'm wondering why it needs to be complicated by more hardware. > > > > On Wed, Jul 8, 2015 at 8:36 AM, Frank Filippone <red735i at verizon.net> > > wrote: > > > > > What I am attempting to do is solve this problem.... > > > > > > When using non native lenses on a Sony A7 camera, you are always > > > focusing at working aperture. > > > I wish to do my focusing wide open but not have to turn the aperture > > > ring to do this. > > > > > > The work I am doing is to use, as much as possible, standard > > > accessories to make an adapter from Leica R to Sony NEX that > incorporates > > this idea. > > > > > > I have succeeded somewhat, but it is complicated and requires the use > > > of a custom machined part. > > > An adapter that fits the bayonet on one side and a filter thread at > > > the other may just do the trick.... without the machining necessary. > > > > > > Thus my question. > > > > > > Frank Filippone > > > Red735i at verizon.net > > > > > > > > > > > > _______________________________________________ > > > Leica Users Group. > > > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > > > > > > -- > > Regards, > > > > Sonny > > http://sonc.com/look/ > > Natchitoches, Louisiana > > 1714 > > Oldest Permanent Settlement in the Louisiana Purchase > > > > USA > > > > _______________________________________________ > > 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 > > > > > > -- > Don > don.dory at gmail.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Regards, Sonny http://sonc.com/look/ Natchitoches, Louisiana 1714 Oldest Permanent Settlement in the Louisiana Purchase USA