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Messages - Grummbeerbauer

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Third Party Manufacturers / Re: Sigma Announces New 30mm f/1.4 for APS-C
« on: January 30, 2013, 02:46:15 AM »
I have the current Sigma 30 1.4. Bokeh is nice, however, it is a bit "dreamy" wide open, but gets quite sharp in the center at around f1.8. What bugs me the most though, and is the reason why I don't use it that much is the crappy AF... its more like a lottery.
When Sigma announced the FF 35 1.4, and everyone started raving about the great IQ and AF accuracy,
I decided for me that I will sell the 30mm on medium-term and get the 35 once the latter's price goes down a bit more. While this would probably cost me ~500€, it would hopefully give me a lens that I actually use and at the same time make my lens collection just a bit more FF capable, in case I ever pick up a 5DIII, 6D etc.

Now Sigma announces the revised APS-C-only 30mm... aside from fearing for the resale value of my old sample (which probably ain't too great anyway  ;), but which I hoped would ease the pain of buying the 35mm at least somewhat), I think I will still stick with my original plan: Unless the new 30mm turns out to be at least as good or even better than the 35 regarding both AF and IQ and is significantly cheaper, I see no reason to not go for the 35.
What do you think?

At first, I was skeptical about the possible quality of such a solution. But so was Roger, the Lensrentals guy.
Read his take on the Metabones adapter:


Looks pretty damned good to me. :-)

Lenses / Re: Canon 85mm f/1.8 vs Other L and non-L Canon Primes
« on: January 14, 2013, 03:44:09 AM »
I have the 85 1.8 and the 100L on a 7D. I found that on crop, 100mm is definitely too long for indoor portraits, while 85mm fits quite nicely (although you will still get problems in tight places). So for me on crop, it was never the question to get the 100 2.0 over the 85 1.8, despite the 100 being better (I heard the 100 2.0 has much less purple fringing than the 85 1.8 on high contrast edges, which is IMO the most critical issue with this lens, but I can live with it since the images are just astonishing in virtually every other aspect).
So on crop: 85 1.8 for portraits, 100L for macros, but the latter -- at least for me -- does NOT double as a portrait lens.
I think on FF, the game is a different one. If you are interested in macro, you might be able to do with only the 100L, although 2.8 max. aperture could be a bit limiting. If you don't need macro anyway, I would probably prefer the 100 2.0 over the 85 1.8 due to the latter's aforementioned PF issue.

About the 85L: A colleague of mine recently got one, and I had the opportunity to play around with it, too. Impressive piece of glass, but extremely sluggish AF (and -- being warned that its AF is slow, I didn't expect much, but I still got a negative surprise here). I guess my hit rate wide open would not be good enough, and if I have to stop down anyway, why should one deal with the extra expense and weight?
We both concluded that it is more of a "show off" lens, and back to the store it went.

I' also a happy owner of both the 100L and the 24-105L, and I, too, was thinking "What the ..." when Canon announced the new 24-70 f4 L IS. Way too expensive for little gain.
lensrentals.com has an interesting comparison of 24-70 2.8 I, 24-70 2.8 II, Tamron 24-70 2.8 VC, 24-70 f4 IS, and 24-105 f4 IS, and that averaged over many samples. Here the new 24-70 f4 IS beats the 24-105 by a small margin in sharpness (and by a large margin in distortion ;)), and the Tamron lies in between the Canon 2.8s.

See for yourself:


Still, not only based on that numbers, I don't think that I would ever "upgrade" to the 24-70 f4. I would rather spent that money on the Tamron, which seems to be excellent, given the price.

EOS Bodies / Re: taurians upgrading to 5d mark 3
« on: January 11, 2013, 02:40:43 PM »
An Aries here, currently with a 7D. I am still weighing my options, ranging from 7DII, 5DIII, to D600 and D800.
BTW: While I generally agree with GuyF about Astrology being some major BS, the amazing number of common traits I found among a small sample of female Taurons is sometimes amazing me.  ;D

Canon General / Re: Canon Experience Stores Coming Soon [CR3]
« on: January 11, 2013, 06:48:04 AM »
Well, at least we now know where they plan to put all that extra cash they are making (trying to make) out of us gearheads with their recent pricing "strategy".  :o

But that bitching aside: Of course it would be nice to try out some of the more exclusive lenses. The best thing I have seen in stores within 100km of my home town is around the level of a 5Dmk3 and 70-200 2.8 IS II. But if they are now trying to become Appleish (i.e., sell stuff not merely for it being good, but for it being hip, and that at a premium), I am not interested.

I am really interested in this lens, too, although it seems that aside from the exterior design and the focus limiter, nothing has changed from the previous 120-300 2.8 OS.
But what has changed significantly, though, is the price... in Germany the old one is 2999€, the "new" one 3999€. If this premium translates more or less directly into street prices (the old one has just dropped below the 2000€ barrier recently), I will probably look elsewhere.
For anyone interested in review, Photozone has one on 5DMk2:

Well worth the read, my summary: Great center sharpness, on par with 70-200 IS 2.8 II, borders not so great. Good bokeh, and -- being an apochromat -- virtually no green/purple fringing.
I handled the old 120-300 2.8 OS once in a store, and at 3kg it is really a behemoth.

PowerShot / Re: Canon Announces The PowerShot N
« on: January 08, 2013, 02:39:08 AM »
While I am not really too much interested in this "instant sharing thing" and am therefore also not in the market for a "connected camera" (but I am also not the one wasting my time on generic social networks, but more on special interest sites like this  ;)), I think Canon's foray into this market segment make a whole lot more sense than, e.g., Samsung's Galaxy or Nikon's Android camera.
Instead of putting  the whole infrastructure (mobile OS, network, radio, etc.) into the camera and that way duplicating what any user in this market segment already has in his smartphone, connecting to and using the existing infrastructure has many benefits:
  • No need to "maintain" two Android devices -- AFAIK at least the Samsung Galaxy camera (or was it the Nikon counterpart?) does not have telephony support, so you would still need to carry a smartphone with you anyway. And even if they did have telephony and all the other features -- due to the laws of physics, to get any decent image quality, a true camera smartphone (with the emphasis on "camera") needs to be bigger (larger sensor, leading to larger lenses) than I would like my phone to be
  • Independence of the devices: Emptying the camera battery will still allow me to use the smartphone for everything else and vice versa. This independence also allows me to make the same choice I have today when shopping for a  "dumb" camera, simply put, I can trade reduced camera size for a loss in image quality. If cameras from all segments offered such a kind of connectivity feature, I would not be forced to buy an inseparable bundle, where usually I have to compromise on either the camera or the smartphone side (or probably both). Instead, just like today, I could decide to bring my connected DSLR when possible, but do with my much smaller connected P&S when I can't justify the size and bulk of lugging a DSLR around, but not loose the connectivity features.
  • Decoupled development cycles: Smartphone development cycles are much shorter than those for cameras. Of course no one is really forcing you to upgrade a smartphone, but smartphone vendors are making a habit of offering OS updates for their devices for only a very limited time span. From the moment you don't get any security updates anymore, you are pretty much at risk (or have to start fiddling around with custom ROMs etc.)
    For cameras, however, technical progress, in particular in sensor technology and optics is much slower, making it much harder to justify throwing it away every two years.
    Of course this doesn't mean that camera vendors won't find ways to make you connected camera obsolete...  ;)

So, while I am not too happy with Canon's recent launches in the DSLR segment (in particular the insane pricing, but also the available features), I think they got something right with the Powershot N -- at least conceptually. We'll see how it fares in practice.



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