FingerPainter

Joined on Sep 8, 2014

FingerPainter's recent activity

  • A lot of good advice and observations. I will comment on a couple points. There are (at least) two technical aspects of the finished photo to be concerned about when shooting indoor sports: (1) Sharpne ...
  • Replied in Headshots?
    I didn't ask what f-number you'd use with any random lens at any random distance. I asked what f-number you'd need to use to a get specific DOF effect with a specific lens at a specific distance. S ...
  • And despite all the time behind a camera, "this person " still cannot get a better image from a high-end prime than from a cheap long-zoom-range lens? I guess some people learn more than others.
  • I don't think that is universally true. The gap between sensor has to be bigger than the gap between lenses for the better sensor to always produce better images. For instance, a D850 had more ...
  • Replied in Headshots?
    What f-number do you think you need to get no more than the tip of the nose to the earlobe sharp when shooting a 200mm lens from 3m distance?
  • Replied in Of course
    Go back and re-read the parts I have put in bold. What you are describing is using only the aperture ring and comparing it to a finger-drive control wheel.
  • If he had used 1/2,000, f/8 at a lower ISO, the image would have been just as noisy (maybe slightly noisier), but also too dark. The culprit as far as noise goes was the low exposure due to high ...
  • Replied in Headshots?
    There was a time when the term "headshot" had a very particular meaning. It meant a photo that showed a head, but no more of the subject. It was a much tighter framing than a head & shoulders ...
  • Not really. You mean, the higher the ISO setting, the higher the image lightness you get from a given amount of light. That's a change in responsivity not sensitivity. If increasing the ISO ...
  • Well if that were true, we'd expect an image from an a7SIII, which has 12MP on an FF sensor to look more than two stops less noisy than images from an a7RIV, which has over 60MP on a FF sensor. ...
  • No it isn't. It is giving both sensors the same amount of light per unit area , but since the FF sensor has nearly four times the surface area, it is giving the FF sensor nearly four times as much ...
  • Right, and so the wider aperture isn't of any benefit to him in that regard, is it? So why does OP seem to think that a wider aperture is an advantage?
  • You might want to re-think that a bit. The aperture diameter of the 9mm f/1.7 is only 5.3mm. That's not a wide aperture. Canon's comparable lens, the RF16mm f/2.8 STM has a wider aperture despite ...
  • "Up front"? Where? Can you provide a direct quote and tell us where on the page the quote is found? One if us is misreading the review. The only reference I can find in the review to anything like ...
  • Replied in Of course
    Generally, an aperture ring is slower unless it is the only control ring you use on the lens. If you zoom or focus manually, an aperture ring requires a grip change while a right-thumb-driven dial ...
  • ... to compare photos from two different cameras at the same % zoom, if they have different pixel counts. For instance, if you have a 24MP FF camera like a Z6 and a 45MP camera like a Z7, and you ...
  • Replied in Mistaken promise
    The promise of full frame is that it is about one stop better in low light than APS-C, but only as long as you accept a shallower DOF.
  • That is the real problem, here. Your belief is incorrect. You think that the light in your room is EV 11.7. (Sunny 16 light is EV 15. Settings of 1/60, f/7.1 are for 3.3 stops less light.) There is ...
  • Than height? In most cases I would agree, yet, standard defs of ultrawide still compare it to height, either explicitly or by example. Also ultra wide, I am unaware of any standard category wider ...
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Last post Jan 24, 2022
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