Alex Sarbu

Alex Sarbu

Lives in Romania Romania
Joined on May 25, 2006

Alex Sarbu's recent activity

  • It definitely does. Some amazing people lived then, and their legacy is still with us. No competent photographer would fail to realize the beauty of the relative aperture system. Alex
  • <Sigh> It was mentioned for a reason: accuracy. According to DXOMark, some lenses can lose half a stop, even more; with our integrated TTL light meters and decent exposure latitude, most of the ...
  • A century and half of photography disagrees with you. Alex
  • Don't you think we're discussing way too much about a word mentioned in passing? Are you trying to find fault where there's none? Alex
  • If it was made in Japan, they had the camera but not the Caucasian girl! You see, getting that kind of shot is impossible! :-P Alex (what, me, joking???)
  • I see. But the relative aperture system was designed specifically to prevent that - because using directly the aperture diameter didn't work. The debate ended more than a century ago ;-) It's not ...
  • You are nitpicking; I simply made an accurate statement, without implying anything about t-stops relevance in normal photography. Alex
  • Grab a lens. Any lens. Grab a camera. Any camera. Be it digital, or film, of any format - it doesn't matter. Grab a light meter. Any light meter. Measure. Shoot. That's beauty. Alex
  • What I meant, is that a brightness difference from a sequence to another will be easily visible; indeed, now the t-stop is not the only way of addressing this. They could even store a ...
  • The f-number is nothing more than focal length divided by aperture opening. I'm sorry, but this is incorrect. The focal length and physical aperture opening (which means, also their ratio) are ...
  • Yes, and I actually said "(approximately)". For photography it's (usually) accurate enough; for video it's another story. Alex
  • What do you mean? Adjust how and why (I suppose it isn't to keep the f-ratio constant as you zoom, but something different). That it's normal not to do all those things. f-ratio doesn't even care ...
  • That's Ricoh Imaging U.S., right? Perhaps they didn't even had a K-S1 in the proper color, cameras are harder to send through email... Alex
  • I really don't think it's complicated, not the way I learned :-) The basic idea is to keep simple things simple. That wasn't what tko said. We're not in disagreement here. The relative aperture ...
  • Because it doesn't account for transmittance, of course. t-stops are corrected for that - and will give you the same exposure. Alex
  • IMHO, the f-number is not misleading at all - once understood (for which one only need a good book or something). The f-number is purely a property of the lens; it is defined as the ratio between ...
  • Why do you think they keep making them, year after year? Making colored cameras works. And that would be a wrong approach, because it's assuming their low market share is due to the addition of ...
  • Former Pentax owners moved to a less complete system because Pentax did not fill out their lens system? (at which point a lens system would become "full"?) How come that ex-Pentaxians should speak ...
  • Oh, yeah - because the color scheme was definitely made by optical engineers :-P Poor folks would love to go back to designing lenses, but Ricoh is forcing them to look at colored cameras all day ...
  • Replied in What Happened?
    Yep, I'm still receiving emails from the list. Alex
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