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Posts for: Bobnewnan
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Sep 11, 2017 19:24:27   #
I too live in Las Vegas. Wasn't the rain nice! I shoot a d500 and primarily birds in flight, flowers, animals. The clouds make no difference, it's the amount of light getting to the sensors. On the focus points, you see on the screen 4 corners of the field, there are 9 focus points active. I leave my 16-300 on the camera all the time and shoot single point focus.(150-600 worked fine in Africa) I'm not getting the book out but my memory says the buffer will hold 200 images, get off the shutter for a second and then another 200, etc. I've never had shots turn out black unless I had the shutter speed too fast or ISO too low and not enough light could get to the sensors. Use the histogram for a quick check. If you have problem with camera shake, if you have Photoshop, use shake reduction filter and you will be amazed. Just have enough RAM or it takes awhile. I bought a laptop with 16mb just for that reason. I live up in the northwest, come back with a private message if you want to meet and we can compare notes on the 500. I'm male and retired.
 
Aug 30, 2017 13:14:50   #
I ran a copy through Photoshop using the "Shake Reduction" filter, cleans up nicely but I don't know how to add the new picture here to show you.
Aug 30, 2017 13:01:02   #
I wonder why no one mentions that a filter feature in Photoshop is "Shake Reduction". I use it on any hand held shooting that I do, it makes a definite difference. On occasion it goes crazy but just run it again after you drag the box to a different location.
Aug 30, 2017 12:50:37   #
Last time I saw Vietnam was in my rear view mirror in 1969. That's the best view, and only view, I want to remember!
Aug 16, 2017 18:01:56   #
Sorry, I should have mentioned that I'm using live view to set up the photo, practice and for the real thing because I'm not an expert either. Thanks for writing.
Aug 16, 2017 12:05:28   #
Well Rongnongno if you want to practice shooting the sun with a flashlight, go ahead but on the 21st the moon will never pass in front of your flashlight. Eh?
 
Aug 15, 2017 15:37:08   #
I would suggest that if you plan to photograph the eclipse next week, go practice. Here's my results after a lot of tries and adjustments. For starters, Nikon d500, manual focus, (a mountain top 20 miles away) Tamron 16-300 at 250 so that the "f" stop could be set at 40. 1/250, hand held but for the real thing I'll use a tripod. Processed with Photoshop, adjustments to the exposure, vibrance, black, and shake reduction. Cropped to 300ppi For a filter I was using a 4x5 #10 lens from a welding helmet. It provides the UV protection as well as the light reduction. Have fun.


(Download)
Aug 13, 2017 22:06:55   #
For an easy filter, go to one of the hardware stores that sells welding equipment. They sell spare #10 hood lens that work very well. Hold or tape it on the camera lens. $4.00 at Lowes.
Aug 10, 2017 19:38:53   #
Thanks. Well, I figured with a DX the 300mm is equal to 450mm on a 35mm and 400mm is 600mm on a 35mm format. So 600-450=150mm diff. So I zoomed out to 300mm added a 1.4x which would be equal to 420mm which is close enough to 400mm and didn't think it was enough difference in the print to pay $649.
To each his own.
Aug 8, 2017 10:52:21   #
Thanks for the link to the Nikon simulator. Makes it clear what the gain is and with the pixel count of the d500 I think I'll just keep on using my 16-300mm and crop to get the "simulated" increase to 400mm and use that $649 for something else. And for those who rant against cropping, don't. I'm not a professional photographer and shoot for my pleasure! Y'all have a good day now, ya hear.
Aug 7, 2017 14:23:22   #
I've been using a Tamron 16-300mm as my "go to" lens for several years, no problems, good results. Now Tamron has an 18-400mm lens. On my Nikon DX d500, that's a difference of 150mm. If I set my existing lens at 16mm and zoom out to 166mm I can see what a 150 mm increase provides. Now if I zoom from 150 to 300 mm, that is also 150mm increase. The question: is the 150mm increase linear in both settings? In other words, do I get the same apparent increase with both settings? It doesn't appear that it does when zooming in on a ruler and checking the magnification but lens mathematics is not my forte. I don't want to spend the money and find that it really doesn't make that much difference at the far end.

FYI, I shoot a lot of birds in flight and grounded animals. Thanks.
 
Aug 6, 2017 17:50:54   #
O.K., who is KEH? Not on my list after B&H.
Aug 1, 2017 14:08:56   #
Check out this site, Images in Africa Safaris, <info@imagesinafricasafaris.com> I went to South Africa with Gavin last year and it was the best trip I've ever taken. I know he does the Migration some years but don't have his schedule. I highly recommend these folks. RMJ
Jul 28, 2017 22:47:57   #
I'm 80 and got back from South Africa recently. Do what you want as long as you can do it safely. Age is just a number.
Jul 20, 2017 15:27:00   #
Rising hotter air assumes a rotating form due to the Corilis effect. When it gets big enough you have a tornado.
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