Olivier15

Olivier15

Joined on Aug 9, 2013

Olivier15's recent activity

  • I think what you're seeing is related to quantization. 8 bits are just not enough to represent such smooth gradients. It's what is causing all the blocky artifacts and it appears to also be ...
  • I've used nothing but DPP for RAW conversion in the last 8 years. It's enough for what I do and I can't be bothered to learn anything Adobe (let alone pay for it). So yeah, people do use the...

  • A 5D3 at 16x20 is about 250 DPI. In my experience, that's already more than you can see with most print services, no matter how "professional" they call themselves. So my answer would be no, ...
  • It probably has something to do with the extra buttons on the back. The 6D has no buttons on the left of the screen. I think the selection wheel might be a little larger on the 7D as well. ...
  • I haven't had mine very long but so far, some basic observations: - Use fast shutter speeds (1/500 and faster). Zooming into the subject also magnifies its movement, which no amount of VC will fix. ...
  • Definitely worth a little more then. The VC on the tamron could also be a bit smoother. It works but doesn't feel as nice as Canon stuff. Everything else about the lens does feel top notch though. ...
  • Given the lack of a weight specification, it looks like it. The Contemporary version might have been started later when they saw how much success Tamron had with their price point. Except for the ...
  • Forget the reviews and get one if you think the focal length is right for you. It's a nice lens and there is little else which is close to it in terms of price/size/speed balance. The "new" canon ...
  • Crap, that's pretty awful output. When you say you tried the manual sensor cleaning trick, do you mean including shooting video for 1-2 minutes before the manual cleaning to warm up the sensor? If ...
  • It's back ordered pretty much everywhere as far as I can tell. I ordered mine a week ago and no news so far. From what I read online, wait time seems to be down to about a month for canon mount. ...
  • I'm fairly certain the 6D has only a single accelerometer so there is no way it can tell the difference between "sideways, aiming towards the sky" and "pointing to the horizon, slightly tilted to ...
  • Replied in hot pixels
    Try shooting video for a few minutes to warm up the sensor before you do the manual cleaning. This makes the hot pixels a bit worse and more likely to be seen by the camera. Make sure you use the ...
  • Replied in Thanks, R2D2.
    It depends relevant for what. The minimum focus distance is the one you want to compute maximum magnification. Also, how do you specify working distance for lenses which change length as you zoom? ...
  • Given the amount of noise in your sky, you have a very elastic definition of "basic sharpening" :) It's fairly extreme to me. With that said, the relative loss of sharpness on edges and corners ...
  • Very impressive! You can also see a good deal of the environment reflected in the bird's eye.
  • Photozone uses line pairs per image width (or something close to that anyway) which is a linear measure. DxO's "perceptual MP" will vary to the square of that. 1,18 (18%) squared is 1,39 (39%) ...
  • If you do architecture or landscape, probably. For other uses, no real problem. Mine has horrible corners but it still took great pictures of the kids at the zoo and indoors when space gets tight. ...
  • That was my first thought as well... but 600mm f/7.1 is only 1/3 of a stop from wide open and shouldn't cause that much overexposure even with a stuck diaphragm. Unless it somehow closes for ...
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