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| Chat - Saturday, March 7, 2009; The weekend finally | |
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| Tweet Topic Started: Mar 7 2009, 12:25 AM (2,130 Views) | |
| ostrich2 | Mar 7 2009, 10:02 AM Post #31 |
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Actually, I don't think anybody is supposed to afford such a camera - not to mention the extreme expense of producing components which are designed with tolerances adequate for long term operations in space. Really it's probably more accurate to call what Kepler has a 94 megapixel photometer not a 94 megapixel camera, since it is not going to be taking actual images. Kepler is designed rather to make extremely precise measurements of the light levels from thousands of stars. When a small planet similar to one the size of Earth passes between Kepler and the star, it will block out a tiny portion (about 0.01%) of the star's light, so for that period the light level from the star will dip by a tiny amount. From that the presence of the planets can be inferred. As you can well imagine the sensor density you want for this application is very large. |
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| peppermint | Mar 7 2009, 11:51 AM Post #32 |
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UPDATE ON LEAD FREE AMMUNITION IN CALIFORNIA CONDOR AREAS: (this is important as it benefits bald eagles and other scavenger wildlife as well) Hunters Getting the Lead Out When the California Legislature passed the Ridley-Tree Condor Preservation Act (AB 821) in October, 2007, it was hailed as a boost for the recovery of North America’s largest land bird. The law, which went into effect on July 1st last year, requires the use of non-lead ammunition in endangered condor habitat -- finally addressing the primary threat to the successful recovery of California Condors. But would hunters comply with the measure? According to a recent survey from the state’s Department of Fish and Game, the answer is a resounding YES! Nearly 99% of hunters contacted by the Department in condor country had converted to alternative non-toxic, lead-free ammunition. Defenders spearheaded efforts to eliminate lead in condor country, where dozens of condors have been poisoned by this deadly toxin since the reintroduction effort began in 2000. |
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| peppermint | Mar 7 2009, 12:03 PM Post #33 |
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I don't think the blurriness is condensation. I think it has something to do with the autofocus. You can see it trying to refocus every once in awhile when there is some movement. They adjusted it manually/remotely the other day. If it had been condensation, we would have still seen condensation when they focused it. I could be wrong...but that is my observance with my limited camera knowledge. |
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| Naturegal | Mar 7 2009, 12:18 PM Post #34 |
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BLACKWATER TWINS..........![]() 03/07/09: The weather has warmed up and the eaglets are getting to spend more time uncovered. |
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| ostrich2 | Mar 7 2009, 12:20 PM Post #35 |
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I went out and bought my 100-400mm IS zoom lens today Came with a lens hood too as part of the package Now I just need to find some :soar:
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| LeicaEagle | Mar 7 2009, 12:34 PM Post #36 |
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Yeah the IS will make hand held shots easier but still try to follow the 1/focal length rule in shutter priority metering mode. Make sure too to get yourself a UV Haze filter insurance policy for the front. Happy shooting!!
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| ostrich2 | Mar 7 2009, 01:14 PM Post #37 |
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I have a couple of other questions about that but I'll reply in the photography thread. |
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| Topa Topa Hikers | Mar 7 2009, 01:37 PM Post #38 |
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Congratulations Ostrich2..Just in time for nest season / baby bird season I know we will see great photos from you!
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| Naturegal | Mar 7 2009, 01:43 PM Post #39 |
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BLACKWATER FAMILY...
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| petra | Mar 7 2009, 02:06 PM Post #40 |
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wow carole......nice to see i can't connect with blackwater at all.... thanks for share |
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| Naturegal | Mar 7 2009, 02:35 PM Post #41 |
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Peetie Sweetie - Try this link........ http://www.friendsofblackwater.org/camhtm2.html |
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| petra | Mar 7 2009, 02:40 PM Post #42 |
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YEAH CAROLESWEETIE.....THANKS A LOT...YIPPEE |
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| LeicaEagle | Mar 7 2009, 02:47 PM Post #43 |
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I have replied to them i think as best as i could. In essence "its the glass"
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| ojailala | Mar 7 2009, 03:03 PM Post #44 |
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![]() This is the old boy on the hill.. he hatched here on the hill about 16 or 17 years ago.. he was at the bedroom door this morning...
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| ojailala | Mar 7 2009, 03:13 PM Post #45 |
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Topa, nice nest shot.. did you go to the lake??? Such a great time to photograph the herons.. they are so busy... |
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- not to mention the extreme expense of producing components which are designed with tolerances adequate for long term operations in space. Really it's probably more accurate to call what Kepler has a 94 megapixel photometer not a 94 megapixel camera, since it is not going to be taking actual images. Kepler is designed rather to make extremely precise measurements of the light levels from thousands of stars. When a small planet similar to one the size of Earth passes between Kepler and the star, it will block out a tiny portion (about 0.01%) of the star's light, so for that period the light level from the star will dip by a tiny amount. From that the presence of the planets can be inferred. As you can well imagine the sensor density you want for this application is very large.




Came with a lens hood too as part of the package
In essence "its the glass" 
4:26 PM Jul 10