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dan_lindsay

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Posts posted by dan_lindsay

  1. The first thing I recommend to the buyer of a 500 EL/M or any of the later models with the Palpas anti-reflective coatings is to treat them with that Aerospace 303 stuff. It keeps the cracking from getting any worse. I have no idea why Has had to introduce that stuff and not really do their homework first.

     

    I have both a 503CW and the 500 EL/M and aside from the size, the 500 EL/M is quite handy! With today's 9V battery adaptors, they perform quite well. One thing to be cautious of is the battery compartment latch. They can be damaged easily and then you need to call Hassy in NY to send you a replacement latch--nearly $40! But it does save a nice EL/M.

  2. Despite their best efforts (and like they had nothing else to do on the moon than snap a few pictures) some exposures were way off—in some cases, by a factor of 1000! As such, NASA had to clip off a portion and subject their test development to significant pushing or pulling to ensure they had a workable negative at the end of the day.
  3. "on long (and thereby high altitude) flights, the radiation from space contributes about equally as the x-ray machines do."

     

    HUH? I've never heard that before. What is the scientific source of this? If true, does that mean that getting my 60 rolls of Velvia 100F hand-inspected means nothing on a 10 hour flight to eastern Europe because it's just going to the same amount of radiation while in-flight?

     

    Cancer rates amougst frequent flyers would be higher too, right?

     

    This is absolutely true. My life was spent in the radar business which is all about ionizing radiation so I know quite a bit about this. Of all career fields airline pilots receive more ionizIng radiation annually than all other relevant career fields, e.g., nuclear power plant workers, dental technicians, etc. I have taken a Geiger counter up with me countless times and the higher in altitude you go, the more ionizing radiation you get! Trip across the pond? Figure it's like an extra chest x-ray. Our NASA missions to Mars are challenged right now about having our astronauts survive cosmic radiation over such a long mission. Earth's atmosphere does wonders to protect us from chromosomal mutation.

     

    Dan

  4. If you're using the 14-24mm on a 35mm camera or the D3 what's you background with ultra-wide lenses? As a bit of an ultra-wide lens junkie (countless 20mm f/3.5, 2.1cm, 20mm UD, 14mm and 13mm Nikkors and zooms I routinely leave my ultrawides on my bodies,--and have been getting lazy with the DX format and those lenses as they take little work to frame a scene. When I move back to full-frame when the D3 comes in I think the ultra-wides will be a real challenge again. Do you really USE the 14mm's 114? of coverage? I know that me 13mm/s 118? of coverage will be a compositional challenge when the D3 is connected to it.
  5. With faster and faster digital SLRs on the market the days of being concerned about f-stops faster than 2.8 are essentially over. The Noct-Nikkor, for example, won't be produced again because you just turn up the sensitivity of the camera and you're there. Anything faster than 2.8 forces you into a tripod situation which defeats much of what 35mm cameras brought with them,--portability.
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