philber wrote:
The G 45 is fine, no problems, and super sharpness. The Kipon adapter goes way past infinity, so no problems there, plus, I will use a tripod.
For greater reliability, I will try to duplicate the shots with a Leica WATE, so we can see if there is any difference with a true WA.
I've got a G 45 sitting in a box for 3 days, but I haven't even had a chance to open it.
Thanks again Philber for another comparison. The 7 perhaps offer a tad more detail in the flower crop, but it's a very thin line in my eyes.
I'm sure I'd like the 7 but wont go for it. Dont understand complaints about the 5N touch screen, if you dont use it turn it off. I use it all the time (to point where to focus) and is really the reason I am getting rid off the optional EVF (however splendid - and tiltable) which is too limiting for me just because of the touch screen.
And from where I stand there are some good choices for "WA" (below 35) RF lenses for the 5N. CV15, ZM18 & G28 for example. Personally I like the G21 but it do have some obvious issues. But then again, it was a long time ago SOOC JPG's was a primary output for me. The crop tool can be handy on some motifs, so you can always consider it possibly the sharpest 24mm or so ever made.
But none of them are really fast, which for me is the main argument against any NEX and why I keep a real camera capable of more than still lifes - in my case the 5D2.
With that said, I'm sure I'd like the improved UI the 7 offers (apart from lacking touch screen). And Flypen, if you're into WAs you should switch back and not be so eager defending your upgrade
philber wrote:
Let's see is this helps. Same-sized crops from the same corner, but collected from the f:5.6 shots. So there is enough DOF that, if there is any difference, it should not be from a focus miss.
Wait a second... f5.6 at infinity should be super sharp even in the corners on the crop NEX. I wouldn't trust that hard stop on your adapter.
I don't have a single adapter with an accurate infinity stop, including my Kipons. In tests I've done, a fraction of a mm makes a huge difference in focus at/near infinity. It makes me wonder about all of the manual focus cameras of the past. How many actually had exactly accurate infinity stops when such a small amount of error makes a world of difference? Maybe it never really showed on film, but on high density digital, it sure shows.
Actually, the ZM 35/Novoflex adapter was the one and only combo where I got infinity right against the hard stop. That I found out by testing. But I wasn't particularly interested to test this lens on my NEX 5N, which is not as highly resolvng as the 7. My mistake, maybe, was to assume that, if the combo reached infinity at the hard stop on the 7, it would be the same with the 5N, because those were two Sony NEX cams with the same E-mount. So I will need to redo the wide open test. Not the most thrilling and gratifying use of my time, but one's gotta do what one's gotta do...
But your NEX 7 corner shot is also clearly out of focus at f5.6. The corner isn't sharp, which it should be if it was in focus.
Edit: Looking at the original pic again, I think the corner is closer than infinity, as the shot of the building is taken at an angle. For a proper corner battle between the 7 and 5N you should make sure the entire subject in the frame is in focus at infinity, i.e move furher back.
OK, I did a quick-and-dirty verification. There is no way I can get a totally sharp extreme corner wide open from my ZM 35 f:2.0, either with the NEX 5N or the NEX 7. In focus, yes. Acceptably sharp, well, that depends on one's standards. Totally sharp, no. It is that simple.
Wide open is one thing, but your samples were at f5.6, and still blurry. I admit I've never used the ZM 35, but I would be VERY surprised if at f5.6 the corners aren't razor sharp when in proper focus.
You have a point, Briantho. Let me go back to more testing, and, this time, I will post crops that are not magnified beyond 100% by LR, as I improperly did last time.
Philber, if you're testing the corner sharpness of the ZM35/2, make sure that you nail your focus at the corner of the frame, not at the centre. Doing comparative tests with the Ricoh GXR and the NEX-5N, I found out that the Biogon 35/2 has a bit of field curvature at short-medium distances.
- in my case the 5D2. 