Truthiness

Truthiness

Joined on Jun 7, 2014

Truthiness' recent activity

  • So? Who cares. When you compare different formats you get the same image with different exposure values. Or do you think than an iPhone and medium format will collect the same amount of light (ie. ...
  • Nope. You just are a bit out of your depth. Why do you think your beloved Olympus OM-D_E-M5 (I assume that's your tool as you mentioned it earlier) has a better DR or lower noise at it's base ISO ...
  • You want the FF to shoot an image the OM-D can not shoot, both regading DOF and image quality. Why can the FF shooter not be satisfied to just shoot an identical image to OM-D? It can trade DOF to ...
  • I wonder if any other system has one slow 85... Canon 85/1.8 is less than 400 bucks new, so still only a 100 buck difference. So now you are so desperate yuo try to find old manual focus lense you ...
  • I kept it the same? What's the problem? No. Why woud it? If I feel like it, I'll up the ISO, though I often shoot at ISO 100 (as I shoot raw and my camera is close to being ISOless). Maybe you ...
  • For all relevant poins. Exact same light is being captured, exact same DOF, exact same SNR (assuming same read noise and QE). Who cares what the exposure will be? The same exposure causes different ...
  • You can also compare systems by just taking advantage of the crop-factors. Would you point out to me how many 85/2.8 lenses there are on the market which cost about 100 dollars or 200 dollars? 85mm ...
  • You can always stop the FF down 2 stops compared to your beloved m43. Nonsense. I use sub-f/2 all the time. And I manual focus. And I get very good hitrate. I love to have that option . This is of ...
  • Focus adjustment doesn't cure the problem. The AF system simply is not accurate enough due to it's operating principle. Additionally even if the AF seem to be quite accurate on one focusing ...
  • f/4 on FF equals f/2 on m43. So I can use the same shutter speed on FF with f/4 I can at f/2 on m43. Your argument is not rational. It doesn't offer enough separation when the background is not far ...
  • But that is a condition which is outside the performance envelope of the smaller sensor camera. The big sensor can still do what the small can. And in the case you want to take advantage of the ...
  • Replied in Yes
    Yes. You add two extra air-glass-surfaces to the optical path. Depending on the quality of the filter there will be a tiiny little more or a lot more reflections. Wether they are an issue to you ...
  • It would be physically large, optically very complex, have low image quality and be expensive. Doesn't sound like a big seller to me.
  • If the subjects are stationary or you don't have to track the subject. If the focus distance changes constanty, the auto-focus system is not competetive. Also the lens selection is still a bit poor ...
  • I think she was in an old Playboy or other old magaziine. This image is one of the standard test images used all over the world. If you download Fiji (Fiji is just ImageJ), it's inclued in the ...
  • I have no idea why you think that a more coarse sampling would turn finer grain, but to make things perfectly clear, here is a 200% zoom on above - do you still think that the one on the right ...
  • Eyesight? ;) The finer grain is certainly on the left hand side image, much finer grain . Maybe you didn't put your glasses on? ;) Now, here is the next version - I put mild and simple noise ...
  • The AF-system is only accurate to f/5.6 level of DOF - the center point might be better (f/2.8), but don't know for sure.
  • A7s and A7r have quite different sensor designs as they're ment for quite a different uses. However, below is a comparison where the sensors have the same readout noise, the big pixels have twice ...
  • No one forces one to shoot wide open. You know, it's perfectly fine to stop down. Typically the optical properties improve then too. Personally I would find m4/3 too limiting for portrait photography.
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