Ignalina Nuclear Power Plant System Descriptions > 자유게시판

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To scale back emissions of noble radioactive gases. When noble gases cross through it, their activity is reduced as a result of pure decay. Test photographs had been taken at a distance of 5 feet, which was chosen resulting from it being a typical distance for indoor portraits, and in addition as a way to accomodate the Kako Mite's mounted flash output (with ASA 80 movie and the cameras' f/8.Eight lenses, optimum publicity ought to be at one thing round 5 ft). Since this is a handbook flash and so was already working at full energy, I moved the digicam to 3.5 feet from the test target (the camera's minimal focus). With 100- by means of 300-sequence cameras, you might be capable to get away with using a handbook flash at closer distances than the computed distance, but you shouldn't depend on the digicam's metering system to produce the correct exposure automatically. The opposite flash is a somewhat typical low-finish handbook shoe-mount flash, a Kako Mite.

So, to make an extended story short, I've now carried out just a few somewhat controlled experiments with digital flash on 'traditional' Polaroid computerized pack cameras. When searching for a bracket, nevertheless, make sure and measure the base of the bracket-- or, higher but, convey your digital camera alongside-- many flash brackets aren't long enough to accomodate the width of a Polaroid pack digital camera (particularly since the tripod socket of those cameras is means over on the precise-hand aspect of the digital camera's base). Do not hassle making an attempt to 'fool' the camera by using the particular Polaroid flash connector. Then I took a similar collection of photographs utilizing the Model a hundred camera. I'm a bit curious as to why it was in any respect doable to take an overexposed photo utilizing the Rollei flash (in automated mode) on the 100, however not one of the photos taken with that flash on the 450 showed this tendency, Facebook even when the shutter remained open after the flash fired. Actually, it was closer to correct publicity than was the fourth check (above) utilizing this digicam, and won't be thought-about completely objectionable in some conditions.

I thought about scanning all the test images and arranging them in a chart of some type, but the scanned model seem so completely different from the original photographs that a lot of the distinctions between them get misplaced in the method. But, since all of the earlier take a look at photos using this flash (at 5 toes from the goal) evidenced underexposure, this is not too surprising from that vantage either. The third check photograph was made using the Kako Mite, and this one turned out slightly underexposed, however better than with the 450. As with the Rollei flash, the shutter closed instantly after/through the firing of the flash. All the pictures taken in this take a look at were taken from the same position (digicam was mounted on a tripod) at the identical test goal. The 450 (and the other 400-collection cameras) handles daylight images the identical manner as the sooner cameras, however flash autoexposure is completely different. This is actually the same means the digital camera handles abnormal daylight images-- the metering system operates dynamically in the course of the exposure.

This photo turned out correctly exposed (although perhaps just barely overexposed) and served as a management case for comparison with the other exams with this digicam. This photograph turned out accurately exposed, and served as a management case for a foundation of comparison. The ensuing picture was moderately underexposed (barely extra so by comparability with the Kako flash on the 450), however still is likely to be thought-about a suitable photograph. This perforated disc is present throughout all 'regular' current mild exposures, so it is interesting that removing it (thus letting extra gentle hit the metering cell) really resulted in overexposure with the digital flash. 490 flash. Using the special plug will limit the publicity system to a fixed shutter speed. Your experience could (and doubtless will) range depending on the precise flash you use. Since there are literally thousands of various fashions of flashes on the market made by dozens (if not hundreds) of various manufacturers, there's no approach for me to know whether or not your specific flash/digital camera combination will work to your satisfaction. Two very different digital flashes had been selected for this experiment. The steam piping is so arranged that every steam separator is related with two turbines.