buellom

Lives in Germany Germany
Has a website at www.freude-am-licht.de
Joined on Apr 11, 2008

buellom's recent activity

  • Thanks for this. So the difference between the formats is not always exactly one stop but not that far away. From a marketing stand point this makes sense. Though, as outlined before, you need the ...
  • That's true, at least for now. And even the H series lenses are not that fast. It seems that H is focusing on portability. There should be some fast primes on the lens road map to really benefit ...
  • With the recent offerings you can choose camera systems which a one stop apart. One stop doubles or halves the amount of light captured (assuming the same sensor technology): Let's have a look at ...
  • To my experience this is much more a limiting factor than pixel count. I did a 2m x 1m print (= some cropping was involved) of a photo of a 5DII. The lens was the Tokina 16-28 stopped down to f8 ...
  • Maybe not directly prevent but not actively supporting. As far as I remember the MC11 contains lens data of the sigma lenses to make them work (including eye focus). There won't be Canon lens ...
  • And where is the announcement of the new mirrorless Sigma cameras???

  • Replied in The ROI
    Ok, my hypothesis: The difference in resolution (in %) between corner and center gets higher, the higher the resolution of the sensor is. That would mean, that there could be a point where higher ...
  • Replied in The ROI
    What decreases the benefit of having high resolution in the corners more than in the center ...
  • Replied in The ROI
    That's why I said ROI for you. It doesn't have to be monetary. But the moment you ask "Is it worth it?" you are considering what you get in return for your investment. And the answer might be a ...
  • Replied in The ROI
    My impression is that the percentage of difference gets higher the higher the resolution gets. I don't know any resolution test of a good lens (let's say the 1.4/35mm L II) on the 5D, 5DII and ...
  • Replied in The ROI
    Sure, also corners will benefit from high resolution to some degree, it's a question of how much and of how much I'm willing to pay for this improvement. The center benefits way more from the ...
  • Replied in The ROI
    Well, prices come down over time, especially in high tec. When you want to buy a camera, you can choose between newer models or older ones. This doesn't say much about the costs of one part, it ...
  • Replied in The ROI
    If you look at the first lens reviews with the 5Dsr of e.g. photozone.de you see a huge increase of resolution in the center of the image. At the borders you find a sever drop in resolution. Of ...
  • Replied in Yes, but ...
    A full frame lens is a full frame lens. But if you have a small camera you also might have the option to add a small lens. I think Sony mainly missed it. Imagine a set of pancake primes with good ...
  • Commented on article Sony Alpha 7R II Review

    @osv: adapters have production tolerances which might be more or less tight. That means that the "extension" is not exactly what is needed. More over the adapter might be a little bit thicker on...

  • Commented on article Sony Alpha 7R II Review

    One question: What was the experience regarding IQ with adapted lenses? The adapter (depending on its quality) might introduce tilt and shift or general softness. Any experience with this?

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