Archived posting to the Leica Users Group, 2017/01/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Waiting for a few lens adaptors for my new Sony A7ii and then I'll give it a go. Douglas ----- Original Message ----- From: "Frank Filippone" <red735i at verizon.net> To: "'Leica Users Group'" <lug at leica-users.org> Sent: Thursday, January 26, 2017 3:31 PM Subject: Re: [Leica] Leica lenses on Fuji X Pro 1 Vs Sony A7 > You are looking directly at the image sensor output. If focus shifting ( > the change of focus plane with change of aperture) is a consideration, > then > check your focus again AFTER you set taking aperture and make final SMALL > adjustments. > There are only a few lenses that focus shifting is a consideration..... > the > 35 Lux FLE ( first version ) is one of them. Other lenses were not > designed > to have this problem and therefore do not worry using them.... ( 50 LUX > ASPH) > > I should mention that even with a Digi-Leica camera body, focus shifting > is > an issue. It is inherent in the specific lens design. There is no camera > body based fix possible. With a EVF, you have the ability to correct > it.... > Using more DOF ( smaller aperture) will help mask this error source. > Your other choice is to not use focus shifting lenses..... or suffer > trying > to get really sharp focus on your subject by focusing initially at > shooting > aperture, which will be frustrating, especially at F32 ( for example). > > At F1.0 a Nocti is easy to set at precise focus using my technique. The > correct focus plane POPS into focus. Trying this at smaller aperture, the > focus plane can be found, but it is not as obvious nor does it POP into > focus. > This is all a lot of verbiage. If you try it with a real camera and lens, > you will find how easy and accurately it works. > > This method is slooooooow. It is however, more accurate than the Digi-M > you > might be using, or your AF Nikon, Canon or Leica SL body in AF or MF > mode. > > AND when your M9 camera breaks on day 8 of your 42 day trip to Canada, it > is > a photographic life saver. > > Do you want to use it on every shot you ever take in the future? > Including > your 3 year old grandkids who move like whirlwinds? Probably not the > right > tool. > > Frank Filippone > > Red735i at verizon.net > > > -----Original Message----- >>From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] On >>Behalf > Of RicCarter > Sent: Thursday, January 26, 2017 5:43 AM > To: Leica Users Group > Subject: Re: [Leica] Leica lenses on Fuji X Pro 1 Vs Sony A7 > > no problems with focus shifting? > > ric > > >> On Jan 26, 2017, at 1:33 AM, Frank Filippone <red735i at verizon.net> >> wrote: >> >> Same advice for the Fuji X Pro 1 or the Sony A7 >> >> Turn OFF the focus peaking. You will need to hit the magnified image >> button a few times to get the x10 enlarged image. Focus WITHOUT >> touching the shutter button ( which, when touched, shuts OFF the enlarged > image). >> Focus like you were using a ground glass.... and WIDE OPEN>>>>> If >> you try to focus with the lens set for F32 you will have difficulty >> because there is so much DOF. ( If you have a Noctilux, try that lens >> first.....it will give you confidence....) >> >> Methodology..... >> Open lens to Max Aperture ( F1.0, for instance) ( Do NOT cheat on >> this >> step....!) >> Start focus regimen... enlarge the VF image by pressing appropriate >> button..... look in EVF and focus as if it were a ground glass... when >> it is sharp it is in focus.... >> Set Lens aperture to the value you want... say, F11 ( you will need >> to move camera away from your face to perform this action....) Re >> establish composition Push shutter button.... >> Done. >> >> Sounds long and involved, but it works.... and your focusing accuracy >> will be incredible... Did this in Canada with great results.... ( >> When my M9 died, suddenly... and the Fuji XE-1 was my backup camera) >> >> It is not for action pictures,,, the procedure is long, requires a lot >> of moving the camera away from your face, and is otherwise >> sub-optimal.... But it works brilliantly for fixed subjects,,,,) >> >> Use your Native lenses when you do not want the ultimate in > resolution..... >> or want/need AF/fast working.... >> >> Trying to focus at F32 and with focus peaking is, for me, a terrible >> solution..... >> >> YMMV >> >> Frank Filippone >> >> Red735i at verizon.net >> >> -----Original Message----- >> From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] On >> Behalf Of Bernard Quinn >> Sent: Wednesday, January 25, 2017 12:53 PM >> To: Leica Users Group >> Subject: [Leica] Leica lenses on Fuji X Pro 1 Vs Sony A7 >> >> >> Upgraded the software on my Fuji X Pro 1, got a Fuji brand M adapter >> and had a go at it. I can focus it, but even with the MF focus peaking >> turned on and with using the enlarged focus are feature focusing was not > that easy for me. >> Best I can describe it is that you turn the focus ring until the image >> in the viewfinder is as pixelated as possible. >> >> I also have a Sony A7 and the kit zoom lens which comes with. When you >> are using the A7 with an mount lens is it any easier to focus than the X > Pro 1? >> >> Any hints or suggestions to make manual focusing on the X Pro 1 more >> agreeable. Yeah, I thought of that. I am retired and an M10 will get >> me divorced and dead, and probably not it that order. >> >> Thanks, >> >> Barney >> >> _______________________________________________ >> 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 > > > _______________________________________________ > 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 >