Archived posting to the Leica Users Group, 2014/02/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I was looking at my postings with the 35mm Summilux and I'm not seeing any "smearing" I'll go back to my catalogs and see if I can find any, and maybe shoot some with a couple other lenses, but I did not notice that. Do you have any examples Paul? Do you Steve? On Wed, Feb 19, 2014 at 11:31 AM, Sonny Carter <sonc.hegr at gmail.com> wrote: > Paul, do you mean the 75 2.5 Summarit? Because I just started playing > with mine on the A7r, and have been floored by the performance. So much > more than I was able to get out of it with the M8 or M9. > > > On Wed, Feb 19, 2014 at 10:30 AM, Paul Roark <roark.paul at gmail.com> > wrote: > >> The Sony a7r is not a perfect camera by any means, but it's good enough >> that it will be what I take to Italy in a month, leaving the M9 home (or >> it'll be a backup camera). >> >> The Zeiss 35mm ZE optic for the Sony can easily out-shoot the M9 with the >> Zeiss 2.8 Biogon, which was my main lens. The Biogon at it's best on the >> Sony is a hair sharper in the center than the FE, but the FE at 2.8 at the >> edge is essentially equal to the Biogon on the M9 at f8. This is quite an >> achievement. It may signal that design of wide angle optics for the >> specific characteristics of the sensor's micro-lenses is needed. We'll >> see >> of Zeiss can pull off the same magic when it releases the wider optics. >> >> ALL M optics I've tested below 50mm do not work well on the Sony. The >> edges smear. This is the major disappointment with the camera. The 75mm >> Leica 2.8 is amazing on the Sony. So, my 2-lens outfit is the 35mm FE and >> the Leica 75. >> >> The Sony auto-iso is not as adjustable as I'd like, but I leave the camera >> on Manual with auto ISO. There the only issue is that the ISO does not >> show until I tap the shutter button. But, for control we need to see all >> three exposure variables -- f-stop, shutter speed, and iso -- in the >> viewfinder on a continuous basis. >> >> Vibration has been a big issue for some, but for hand holding, it does not >> appear to be very significant. Hands absorb the vibration very well. >> >> The Sony is no Leica in terms of smoothness or speed of focusing. Sony >> has >> also clearly not matched the M9 in the micro-lens edge performance for RF >> optics. Also, the higher the MP count is, the worse the problems of ray >> angle appear to be. It may be the end of relatively symmetrical RF wide >> angles. Too bad. On the other hand the optics Zeiss has made so far for >> the Sony are amazing. They appear to have found a price/quality point for >> aspherics that allows them to make appropriately priced lenses that can >> handle high MP sensors. >> >> I actual shooting, what I notice the most between the Sony and M9 are the >> electronic level in the viewfinder and the superior quality of the Sony >> metering. The Leica's focusing speed and accuracy are missed, however. >> >> The Sony leveling is allowing superior pan stitching of hand held shots. >> >> The Sony meter is sampling 1200 zones. It's essentially automated spot >> metering -- no need for checking the shot and it's histogram after the >> fact. You can have a live histogram in the viewfinder, but even where it >> seemed to be leaving too much room to the right, it turned out there were >> bright spots that would have "burned out" if the shot were given more >> exposure. The Sony leaves some tiny spectral highlights that are "burned" >> (as appropriate), but even there one can almost always recover some >> detail. >> At that point you run into the issue that the Sony is compressing the >> very >> top highlights. Just below total burn-out the CMOS highlights (as with my >> Canons) do not seem to be as good as the M9's CCD near-spectral >> highlights. >> >> It's not the ultimate camera, but the Sony a7r is another clear step >> forward for landscaper work I do. It's a keeper, but I expect in 3 years >> it'll be obsolete. There is still a lot of room for improvement, and it's >> no street/people shooter. >> >> Paul >> www.PaulRoark.com >> >> >> On Wed, Feb 19, 2014 at 5:43 AM, Sonny Carter <sonc.hegr at gmail.com> >> wrote: >> >> > The A7r is not earth-shattering. It does a nice job shooting my Leica >> M >> > lenses, Leica R lenses, Nikon F lenses, and of course the native 35 >> Zeiss >> > makes real purty pitchurs. >> > >> > The camera is sturdy, fairly easy to handle even with my big paws. I >> like >> > the folding screen and live view. It comes to hand real nice. I've >> been >> > shooting it since the new year, and almost everything you've seen >> posted is >> > from that camera. >> > >> > I read Sean's stuff, back when he was a regular guy, not an expert you >> had >> > to pay to read, and sometimes I agreed with him and sometimes not. In >> the >> > case of corner sharpness, as it applies to my work, well, it rarely >> does. >> > Almost everything I do is cropped in some fashion, and even if it isn't, >> > I'm not wanting you searching out the corners to see how sharp they are. >> > >> > At any rate I was pretty happy with shots from my Summilux and the 35 >> > T*. I even put my Leica 21 that Mark hates on it and played with it. >> It >> > was OK. >> > >> > In the foregoing graph, I said I was pretty happy with the Zeiss T*. >> > Actually, I think this camera and this lens were born for each other. >> > >> > When I get the swing of them, I think it will feel like I felt with my >> M7 >> > and 35mm Summicron. That, my pals, was awesome. >> > >> > >> > Regards, >> > >> > Sonny >> > http://sonc.com/look/ >> > Natchitoches, Louisiana >> > 1714 >> > Oldest Permanent Settlement in the Louisiana Purchase >> > >> > USA >> > >> > >> > >> > >> > On Wed, Feb 19, 2014 at 5:47 AM, Gerry Walden <gwpics at icloud.com> >> wrote: >> > >> > > I agree with Nathan that it doesn't look that earth-shattering. Having >> > > read their not-so-favorable conclusions, I was then a little >> surprised to >> > > read how positive they were in the 'Final Word' section. >> > > >> > > Gerry >> > > >> > > Gerry Walden >> > > +44 (0)23 8046 3076 or >> > > +44 (0)797 287 7932 >> > > www.gwpics.com >> > > >> > > On 19 Feb 2014, at 07:33, Jayanand Govindaraj <jayanand at gmail.com> >> > wrote: >> > > >> > > > http://www.dpreview.com/reviews/sony-alpha-a7r/18 >> > > > >> > > > Cheers >> > > > Jayanand >> > > > >> > > > _______________________________________________ >> > > > 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 >> > > > > -- > Regards, > > Sonny > http://sonc.com/look/ > Natchitoches, Louisiana > 1714 > Oldest Permanent Settlement in the Louisiana Purchase > > USA > -- Regards, Sonny http://sonc.com/look/ Natchitoches, Louisiana 1714 Oldest Permanent Settlement in the Louisiana Purchase USA