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Thread: Is the A7 better than the A7R at the edges with wides?

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    You got it on A7 or A7r Godfrey?

    Thing is, if a Zeiss might not be good enough, an old Nikkor, hmm. I tried the Oly 21mm MC, brand new, never used. To be honest, didn't come close. The older lens designs just don't seem to have it and even the best of the modern, Zeiss are questionable.
    I have the A7, not r. But I wouldn't discount the lens as an "old Nikkor". Some of these Nikkor lenses are exceptional quality. Zeiss and Leica aren't the only companies with good optical designers. :-)

    This 18mm has CRC and is amazingly crisp and easy to focus, even compared to the Elmarit-R 19 series 1. At average prices in the 450-650$ range for a good one, it's worth a try.

    Nikkor 18mm f/3.5s Super wideangle Lens

    G

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    Re: Is the A7 better than the A7R at the edges with wides?

    Could I be cheeky and ask you if you have any A7 raw files shot with the lens, preferably at f5.6-8?

    Another thought is the super cheap Canon FD 20mm. Though and I know this may sound ridiculous but I really would like a lens that focuses the way I'm used to on the Pentax's, the Nikon way. Having the focus and aperture ring turn the other way on the Olympus drove me rather nuts. Lenses turning different ways on the same camera is rather confusing.
    Last edited by Ben Rubinstein; 3rd April 2014 at 12:55.
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    Re: Is the A7 better than the A7R at the edges with wides?

    Why not that Samyang/Rokinon 14mm? it is a cheap lens, manual, and many like it on their Canon/Nikon full frame bodies, so maybe it will be great on Sony full frame too.
    Tareq

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    Re: Is the A7 better than the A7R at the edges with wides?

    Guy very nicely provided a bunch of raw test files a while back from the Samyang 14mm. The corners are pretty smeary and that's on a D800e.
    I am not a painter, nor an artist. Therefore I can see straight, and that may be my undoing. - Alfred Stieglitz

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    Re: Is the A7 better than the A7R at the edges with wides?

    I bought the 14mm again in the Sony A mount. Looks like I have a restaurant to shoot this weekend so I will use it for some of those shots. Mine is the Rokinion brand name although all the same lens
    Photography is all about experimentation and without it you will never learn art.

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    Re: Is the A7 better than the A7R at the edges with wides?

    Wish if i have 14mm then i can provide RAW files as well, still didn't decide on which ultra WA lens myself, mostly i am thinking about Canon TS 17mm in the future, but i may go with 14mm first in near future.
    Tareq

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    Could I be cheeky and ask you if you have any A7 raw files shot with the lens, preferably at f5.6-8?
    I have full rez JPEG examples on this page:
    https://dl.dropboxusercontent.com/u/...8mm/index.html

    I can send you a couple of raw files if you want them.

    G

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    Re: Is the A7 better than the A7R at the edges with wides?

    409 told me everything I needed to know. Sorry but that's worse than my Oly was. Severe smearing in the corners. 409 shows that the edges go as well. Many thanks for that, really useful!
    I am not a painter, nor an artist. Therefore I can see straight, and that may be my undoing. - Alfred Stieglitz

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    Re: Is the A7 better than the A7R at the edges with wides?

    I also ordered early this morning the Sigma 35mm 1.4 in a Sony A mount . So now 4 lenses in the A mount. 14,35,85 and 135. I'm playing it safe with A mount lenses right now as I'm just not sure what Sony has up its sleeve so this covers me for a A mount cam and still use it on the A7/A7r cams. Going to order for the A7 the kit lens again or a used Tamron 28-75 in A mount. Just trying to figure out what maybe better. A cheap zoom is all I need right now and I sent the 24-70 F4 packing back to Amazon. I even thought of the Canon 17-40 F4
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    Re: Is the A7 better than the A7R at the edges with wides?

    You're an R shooter aren't you Godfrey? Do you have the 19mm? Not that I can afford it but would be interested to see what it can do on the Sony.
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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Guy Mancuso View Post
    I also ordered early this morning the Sigma 35mm 1.4 in a Sony A mount . So now 4 lenses in the A mount. 14,35,85 and 135. I'm playing it safe with A mount lenses right now as I'm just not sure what Sony has up its sleeve so this covers me for a A mount cam and still use it on the A7/A7r cams. Going to order for the A7 the kit lens again or a used Tamron 28-75 in A mount. Just trying to figure out what maybe better. A cheap zoom is all I need right now and I sent the 24-70 F4 packing back to Amazon. I even thought of the Canon 17-40 F4
    That the art version of the Sigma? I used ours today in the studio for the first time on a D800e. Wow but it's sharp and contrasty!
    I am not a painter, nor an artist. Therefore I can see straight, and that may be my undoing. - Alfred Stieglitz

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    You're an R shooter aren't you Godfrey? Do you have the 19mm? Not that I can afford it but would be interested to see what it can do on the Sony.
    I have the Elmarit-R 19/2,8 V2 and it's works well on the A7r although it does have some vignetting even when stepping down. But I increasing felt that for A7r, it's best to use the native lenses. I hope Sony/Zeiss will come up some wide angle prime soon.
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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ocean View Post
    I have the Elmarit-R 19/2,8 V2 and it's works well on the A7r although it does have some vignetting even when stepping down. But I increasing felt that for A7r, it's best to use the native lenses. I hope Sony/Zeiss will come up some wide angle prime soon.
    I quite agree
    You can get fine results from other lenses, but it's always hedged around with compromises.

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    409 told me everything I needed to know. Sorry but that's worse than my Oly was. Severe smearing in the corners. 409 shows that the edges go as well. Many thanks for that, really useful!
    Glad to help, although I see more blur than smear there. The Nokton 40mm lens image smears IMO. But if your Olympus lens produced even better results, I'd just get another one of those.

    Quote Originally Posted by Ben Rubinstein View Post
    You're an R shooter aren't you Godfrey? Do you have the 19mm? Not that I can afford it but would be interested to see what it can do on the Sony.
    I'm not sure what an R shooter is in this context, but I have a bunch of Leica R lenses for the A7. Terminology gets confusing when we're talking about A7/A7r/Leica R all in the same context ... ;-)

    IMO, the Elmarit-R 19mm series 1 does not perform as well as the Nikkor 18mm in the corners. The series 2 lens should be better, at double to triple the price; it has CRC quite similar to the Nikkor. The series one does produce lovely results on subjects where rectilinar correction and corner performance isn't as critical.

    I don't have any full-rez photos posted from the Elmarit-R 19, but I do have a few normal web-rez images:
    https://www.flickr.com/search/?text=...23913128%40N02

    G

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    That the art version of the Sigma? I used ours today in the studio for the first time on a D800e. Wow but it's sharp and contrasty!
    It's the Art series. Sharp amazingly so. Rated the sharpest 1.4 35 around. I don't find it too contrasty though but even so that's a real easy fix and the A7r IMHO has better DR over the D800e.
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    Re: Is the A7 better than the A7R at the edges with wides?

    Ben, here's a link to a gallery with the Samyang 14 on the a7r
    Tim Ashley Photography | A7R with Samyang 14mm F2.8

    In short it's not terrible at all, just somehow a little crude. The Zeiss 21mm f2.8 does well and from my early testing the canon 17 TSE does really nicely. The Leica 18mm super elmar is a mess.

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    Re: Is the A7 better than the A7R at the edges with wides?

    And here are some zeiss 21 shots (mostly full size I think)
    Tim Ashley Photography | A7R with Zeiss 21mm F2.8 Nikon with adaptor
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    Re: Is the A7 better than the A7R at the edges with wides?

    Regarding the Samyang/Rokinon 14, I have one that I messed with on my a99 and it's pretty darn good. Impressively sharp. It suffers from barrel distortion, but that can be dealt with in post.

    On the somewhat amusing side, Roger C. from Lensrentals added this when describing the lens: "I will note, this is held together inside with plastic, glue, and small screws. You won’t be using it for years." Still, at only a few hundred bucks, not a terrible buy if one needs something on the ultra-wide side.

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by tashley View Post
    And here are some zeiss 21 shots (mostly full size I think)
    Tim Ashley Photography | A7R with Zeiss 21mm F2.8 Nikon with adaptor
    The day that you first posted these shots is the day I started lusting after this lens. Please tell me that resulting prints somehow look like crap. That would be helpful to my wallet.

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ocean View Post
    I have the Elmarit-R 19/2,8 V2 and it's works well on the A7r although it does have some vignetting even when stepping down. But I increasing felt that for A7r, it's best to use the native lenses. I hope Sony/Zeiss will come up some wide angle prime soon.
    Yeah, that's pretty much what I'm hoping, oh apart from hoping that it's not bank breakingly expensive but of course it will be. If it's the same price as the 24-70 then I do have that much put away in the bank ready for it. What's left from selling all my canon gear.
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    Re: Is the A7 better than the A7R at the edges with wides?

    I am not a painter, nor an artist. Therefore I can see straight, and that may be my undoing. - Alfred Stieglitz

    Website: http://www.timelessjewishart.com

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    Now if only I had some $20k...

    Press releases | ZEISS International
    Ben, did you see the link I posted on the previous page to some A7R shots with Samyang 14mm that you were asking for?

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    Re: Is the A7 better than the A7R at the edges with wides?

    Wasn't me asking for files of the 14mm Tim, Guy provided me with a bunch of raws a while back. I asked Godfrey if he had any Nikkor 18mm samples. Thanks anyway!
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    Re: Is the A7 better than the A7R at the edges with wides?

    Sony really should release a high end FE prime 21-25mm. I hope the wide zoom was a rumour that will not come to fruition, the market and reviewers will pick it apart, you can already hear them: 'three zooms, where are the primes?'

    People are hunting high and low for such a lens, ever since they saw the SEMs do not work and the DSLR wides force you into a large setup.

    If they do not do so, Zeiss will need to make it a priority, if only to show the doubters it can be done! Zeiss might enjoy rising to the challenge..

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by philip_pj View Post
    Sony really should release a high end FE prime 21-25mm. I hope the wide zoom was a rumour that will not come to fruition, the market and reviewers will pick it apart, you can already hear them: 'three zooms, where are the primes?'
    Hi There Philip
    Mid range zooms are complicated and difficult to produce . . . but wide angle zooms are much easier.

    In fact, as I understand it, you lose almost nothing from making your 16mm prime into a 14-24 zoom . . . . . Look at the universally lauded Nikon wide zoom.

    Just this guy you know
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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by tashley View Post
    And here are some zeiss 21 shots (mostly full size I think)
    Tim Ashley Photography | A7R with Zeiss 21mm F2.8 Nikon with adaptor
    Man, those shots look good - I rarely comment on "3D effect" but that shot of the stacked firewood, has me tempted!

    I have been looking for a deal on the 19 Elmarit-R, but I may just go with that Zeiss.

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    Re: Is the A7 better than the A7R at the edges with wides?

    I hope you are right, Jono...the 14-24 is a beauty and Canon have a lot of folks liking their later 16-35. I worry the Sony FE zoom might be biting off a bit too much in size and weight, but they have had a sure touch so far, so fingers crossed.

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    Re: Is the A7 better than the A7R at the edges with wides?

    FE 16-35 f.4 OSS in spring/summer 2014
    FE 35/1.4 autum 2014
    FE 24/2.0 autum 2014
    FE 21/2.8 spring 2015
    if one can rely on that
    who knows, perhaps they are worth waiting for
    thorkil
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    Re: Is the A7 better than the A7R at the edges with wides?

    Where did you get that from Thorkil?
    I am not a painter, nor an artist. Therefore I can see straight, and that may be my undoing. - Alfred Stieglitz

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Thorkil View Post
    FE 16-35 f.4 OSS in spring/summer 2014
    FE 35/1.4 autum 2014
    FE 24/2.0 autum 2014
    FE 21/2.8 spring 2015
    if one can rely on that
    who knows, perhaps they are worth waiting for
    thorkil
    The A7S is supposed to be launched today at the NAB show in Las Vegas. There have been rumblings that Sony may also introduce some new FE glass at this show too. We shall see. It would be nice if some on your list arrived sooner than later.

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    Re: Is the A7 better than the A7R at the edges with wides?

    Quote Originally Posted by Ben Rubinstein View Post
    Where did you get that from Thorkil?
    I think it was from photorumors.com
    thorkil
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    Re: Is the A7 better than the A7R at the edges with wides?

    ..and perhaps a FE 85/1.8 together with the 16-35
    thorkil
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    Re: Is the A7 better than the A7R at the edges with wides?

    Thanks for the explanation Tim, last page.
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    Re: Is the A7 better than the A7R at the edges with wides?

    I have been thinking buying the FE 24-70 for my A7 and have been underwhelmed by the test reports. From a landscape perspective, it doesn't seem to be a good candidate. This picture at Photozone illustrates the point quite well: Sample Image Viewer. 24mm at f11 and the corners are pretty awful.

    I then got to thinking about the distinction between the original NEX-5 (14 mp) and the NEX-7 (24 mp). The NEX-7 has brilliant center performance with the kit lens, if I remember correctly, but the corner performance was very weak. The NEX-5 had decent center performance -- about what you would expect with the 14 mp sensor -- but the edge performance was significantly better, despite giving up 10 mp to the NEX-7. See below:

    NEX 5:

    http://www.photozone.de/images/8Revi...56_nex/mtf.png


    NEX 7:

    http://www.photozone.de/images/8Revi...6_nex7/mtf.png

    As an initial matter, thank you tashley for coming forward with this information. I'm a little closer to buying the FE 24-70. Nevertheless, does anyone with both cameras and the lens in question have any images that might demonstrate this phenomena that they would be willing to post?

    Thanks!

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