Serguei Palto

Joined on Dec 7, 2012

Serguei Palto's recent activity

  • I have found the Pana 100-300 to be very decent lens both with IBIS and OIS. The all images below are captured from hand. This one with OIS Here the IBIS is used On Oly body I prefer usung the IBIS ...
  • At the same technology level the intrinsic noise of larger sensors is always higher compared to the smaller ones (the intrinsic noise amplitude is increased approximately as the square root  of ...
  • As I have already said - learning is light and ignorence is darkness. Let us make a short excursion to the "primary" school physics. The light can be treated both as waves and photons. If we take a ...
  • No, it is not better. The blue channel has higher noise. Yes, of course. But what I am talking is related not to the cropping factor, but what I call the cropping ability connected to the absolute ...
  • Please read my post carefully, also the brains must be switched-On:) The last pictures are related to the absolute resolution and crop-ability limited by quality of FF lens. To make the correct ...
  • Often I must shoot in low light at rather wide DOF. My EM10 with Pana 12-35 f/2.8 solves the problem quite well at ISO 6400 and f/2.8. Shooting at the same conditions with FF needs f/5.6 and ISO 25000.
  • Can MFT do better than APS-C or FF? The choice of good lenses designed especially for APS-C system on account of the high pixel density on a sensor is very limited. In the APS-C camera the ...
  • Good demonstration on how bad this FF-lens is in a sense of its absolute resolution. It is not capable to deliver the satisfactory image resolution with m4/3 sensors. I feel that this is true for ...
  • As it follows from my explanation even 4-times shift will provide a gain in both the resolution (due to the decrease of the effective area of the virtual full color pixel by a factor of 4) , color ...
  • The short answer is as follows. 1. Yes, the sensor shift technology does provide REAL resolution enhancement. 2. There is no software tricks with the Bayer sensor data, which can replace the sensor ...
  • P 100-300 is indeed decent  lens.
  • The simple text editor does not allow typing the math symbols, so below is my picture from which, I hope, you can get the answer  to your question. However, this result is only for the case when ...
  • I think your standards are quite high. What important, to my mind, is understanding the limits of an equipment you use at given conditions. Estimation of an image quality should also be on account ...
  • You are not accurate! The reference I gave is just related to the importance of the "rest of the system". You just proved what I was worried about - you have no enough knowledge on the subject we ...
  • The high capacitance does not help. Usually it gives additional problems connected to the increased noise in an external circuit especially if one needs a fast response photodiodes. See, for ...
  • Replied in DOF/Noise Poll
    No. I know many things (you can not even imagine, how many....?). What you are saying is nonsense (sorry...). You have to read many times my previous posts, if you want to get more knowledge. If ...
  • Replied in DOF/Noise Poll
    I have no problems:) No. For example, the optical density of colour filters influences the performance. Also I have mentioned the electric circuit design, which is important. It is not MY "specific ...
  • Replied in DOF/Noise Poll
    Some correction to my previous message: The sentence " In this case the difference between FF and m43 specific detectivity is defined by a factor of sqrt(A) = 2 which is only ONE STOP EV because ...
  • Replied in DOF/Noise Poll
    No contradiction. The intrinsic noise amplitude is indeed decreased with decreasing the sensor area (as square root). However, the signal (number of photons) is proportional to the area. Thus, the ...
  • Replied in DOF/Noise Poll
    In a very good light, when the photon noise is the only principal factor limiting the dynamic range, the choice between FF at ISO 6400 f/5.6 and m43 at ISO 1600 f/2.8 is just a question of taste. ...
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Last upload 7 months ago