| Moderated by: chrisbet, | Page:   1 2 3   |
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| Polarized Filter - Page 2 | |
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| Posted: Fri Jul 20th, 2012 12:56 |
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11th Post |
Ric
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Thanks for the tip Ed. I have a 2.8, 17X50. I get good pictures with it, but I have a D200, so no high ISO. If the weather holds, we hope to go on a whale watching boat (my wife loves whales). If it's cloudy out, I may not be able to use the filter effectively. If the camera shop will let me, I'll see if I can get a feel for what my camera will do for me. Beutiful picture by the way. Regards, Ric
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| Posted: Fri Jul 20th, 2012 13:18 |
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12th Post |
Eric
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Not sure a polariser will do much for haze. But it will reduce reflections and light scatter that tend to soften the image, reducing contrast. A polariser will put back punch into foliage as well as doing all the other stuff we commonly expect. Its worth sticking one on the front because you can always rotate it 'off' when you dont need to polarise and win back some of the exp loss.
____________________ Eric |
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| Posted: Fri Jul 20th, 2012 13:19 |
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13th Post |
jk
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Robert wrote: In theory, but I find it's often necessary to compensate up to 1 stop. I would expect this to be one of those situations, ALWAYS check the histogram, at least for the first few exposures and as the light changes. I agree with Eric that I'm not sure that a polarizer will do much to get rid of haze. It might d a little due to its polarisaton if the water in the air is causing so scatter. If you use a Linear polarizer LPL then you need to look at the image and check histogram. If you use a Circular polarizer CPL the camera metering should take care of the exposure. That said if I use a polariser I usually dial out my EV compensation (normally -0.7 or -0.3EV) and set to 0 so effectively I am doing what Robert is suggesting. BTW: The Histogram from a JPG shows how the camera captured the image. The histogram form a RAW file shows a the histogram as if a JPG was captured so the with RAW the histogram whilst being useful is not absolute.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Mon Jul 23rd, 2012 04:00 |
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14th Post |
blackfox
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your actually bringing up a point there jk that i can't quite get my head around even after a year on nikons ,yes i under normal circumstances have to dial in -0.3 or -0.7 ev to get my shots right and it always works ??? the other day the wife was using my d200 and i set the camera up for her but the son who is a canon man decided to play with her settings and changed it to +0.7 .****ing up a lot of her pics .why the difference between the two brands ??
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| Posted: Mon Jul 23rd, 2012 04:23 |
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15th Post |
Robert
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Designed by different people from totally different factories. Not unexpected. As I mentioned before I generally take a test exposure or two and check the histo until I am happy. The AE is easily fooled and each subject/location has it's own needs. I would do that with any camera, especially if the images are particularly important. On one of my first trips to the London botanic gardens photographing flowers I blew out a small white flower which I particularly wanted, it only flowers for a week or so, I haven't caught it in flower since.  If anything the main part of the image is under exposed but the flower is blown. I should have bracketed like crazy. You live and learn, especially that highlights can NOT be recovered from digital. This was D1 with 60 f2.8 Micro. All my other images that day were fine. Attachment: Screen Shot 2012-07-23 at 10.20.26.jpg (Downloaded 33 times)
____________________ Robert. |
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| Posted: Mon Jul 23rd, 2012 07:26 |
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16th Post |
richw
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Robert wrote:Designed by different people from totally different factories. Not unexpected. it found 50% grey beautifully on all the stones!
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| Posted: Mon Jul 23rd, 2012 15:57 |
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17th Post |
Ric
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Well, I decided against the filter for now. I was able to do some pretty good editing with LR to somewhat neutralize the haze. What I should have done though is thought more about rain gear for my camera. Went on a boat tour from Seward on Satuday (great trip by the way). It was misting pretty hard and both the camera and I were soaked. Everything is okay, so no damage done. Got some pretty good pictures of humback whales; would have been nice to have a longer lens than 300 though. I appreciate all the advice, it was very helpful. It's been a learning expericence on this trip, but I'm having a lot of fun too. Regards, Ric
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| Posted: Mon Jul 23rd, 2012 16:28 |
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18th Post |
Ed Matusik
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Whales are tough subjects to capture in a still image. When they sound, you never know where they'll surface. Yeah, rain and Alaska are inseparable, especially along the coastal areas. There are plenty of rain covers for DSLR's out there, but we just purchased some soft camo fabric and my wife sewed a couple of covers (not unlike a toaster cover for our respective cameras. They don't look very pretty, but they're easy to get on and off. And, if your sitting waiting for a photo op, you can just uncover the camera back and the front of the lens and let everything else protected. Still hope you post some pictures though. - EdM
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| Posted: Mon Jul 23rd, 2012 20:08 |
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19th Post |
Ric
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Ed, Your right about the rain! I got lulled into a false sense of security the first three days up here. Nothing but sunshine. Our son said it was the three nicest day they had of here so far. On the whales, I got some decent shots, but between the rain and the boat bouncing around, it made things interesting. There were some Orcas around also, the fish eating variety, but to be honest, they were very fast and very hard to get a good shot of. I will post some shots when I get back home. All my shots have been in Raw format, so I'll have to figure out how to produce a JPEG image for posting. Again, thanks for the advice, it was helpful, Ric
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| Posted: Tue Jul 24th, 2012 04:57 |
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20th Post |
jk
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Ric, Try using FastStone Browser to output to JPG. http://www.fastone.org It will do a reasonable but not great conversion. Dont forget to copy to your PC first dont edit on the card!!
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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