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Aero-Technika question
I think this is a Bob Salomon question, if Bob is still reading here.
I am still using my Aero-Technika 45EL, and still think it is an excellent choice for aerial oblique photography. It's actually relatively compact and easy to handle (once you're used to it) and records tons more resolution than all but the most exotic, high-end digital units costing $50K+ (and maybe even many of these). I have recently acquired a new (to me) Aero-Rollex motorized magazine. Unlike the others I have, this one has a momentary-contact button on the top. There is nothing on the "check-list" or otherwise printed on the magazine to indicate its function. What's the button for? Thanks |
#2
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Aero-Technika question
Well, I'm able to answer my own question. Maybe Bob just doesn't have
enough Linhof questions qny more to keep himself busy on newsgroups like this one. A closer look reveals that the "button" is a strictly mechanical device.It's a marker. Pressing it drives, inside the magazine, the Linhof equivalent of a thumbtack ($600 thumbtack anyone?) making a depression on the film. If you didn't shoot all the film you loaded, you can find this mark by feel when you're back in the darkroom, cut the film off there, and reload the remainder for the next sortie. Obviously these are not daylight or "subdued light" magazines. They require full darkness to load and unload. It "can" be done in a larger changing bag, but trying to do this in a Cessna 172 is something even Houdini would not have wagered. With a capacity of 150 4x5 shots, and film stock and processing nearing $4/shot, load capacity and management become important. In article , says... I think this is a Bob Salomon question, if Bob is still reading here. I am still using my Aero-Technika 45EL, and still think it is an excellent choice for aerial oblique photography. It's actually relatively compact and easy to handle (once you're used to it) and records tons more resolution than all but the most exotic, high-end digital units costing $50K+ (and maybe even many of these). I have recently acquired a new (to me) Aero-Rollex motorized magazine. Unlike the others I have, this one has a momentary-contact button on the top. There is nothing on the "check-list" or otherwise printed on the magazine to indicate its function. What's the button for? Thanks |
#3
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Aero-Technika question
In article ,
Greg Faris wrote: Well, I'm able to answer my own question. Maybe Bob just doesn't have enough Linhof questions qny more to keep himself busy on newsgroups like this one. A closer look reveals that the "button" is a strictly mechanical device.It's a marker. Pressing it drives, inside the magazine, the Linhof equivalent of a thumbtack ($600 thumbtack anyone?) making a depression on the film. If you didn't shoot all the film you loaded, you can find this mark by feel when you're back in the darkroom, cut the film off there, and reload the remainder for the next sortie. Obviously these are not daylight or "subdued light" magazines. They require full darkness to load and unload. It "can" be done in a larger changing bag, but trying to do this in a Cessna 172 is something even Houdini would not have wagered. With a capacity of 150 4x5 shots, and film stock and processing nearing $4/shot, load capacity and management become important. It sounds like you process your own large format roll film. I have always been curious about this -- what are the processing equipment and workflow for long rolls of this film like? I've seen, once, an automatic processing machine for 10" aero film. Didn't get a look at its innards. It seemed like one mounted the magazine on it and it slowly pulled the film through each bath in turn -- a roller-transport machine like a very odd Kreonite or Colenta paper processor, basically. But is this kind of film ever processed by hand? How? Surely not on reels? Thor -- Thor Lancelot Simon And now he couldn't remember when this passion had flown, leaving him so foolish and bewildered and astray: can any man? William Styron |
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Aero-Technika question
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#5
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Aero-Technika question
On Mon, 18 Apr 2011 21:02:10 +0200, Greg Faris wrote:
[snip] The day will come, probably sooner rather than later, when all of this comes to a grinding halt, but for today it is still a relatively rapid, compact and ultra high-quality means of acquisition, with multiple workflow options after processing. It's going to be a long time before a cost effective large format digital sensor is produced that matches the quality and resolution of aero film. Even so, it's such a limited market, the cost will still be high. Just look at the price of digital backs for medium format today. And they are only 36 x 48mm in size. Stef |
#6
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Aero-Technika question
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