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Sigma 170-500mm
I am considering buying this lens for bird photos, has any one had
experience of this lens. Bruce |
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Sigma 170-500mm
Bruce wrote:
I am considering buying this lens for bird photos, has any one had experience of this lens. Bruce A Lens test Canon EOS 100-400mm L IS vs Sigma 170-500mm vs Canon 75-300mm IS http://www.clarkvision.com/imagedetail/lenstest1.html But I have retired all of these lenses for fixed focal length lenses. For starting wildlife photography I recommend a 300 mm f/4 lens (if Canon, 300 f/4 L IS). With a 1.4x TC added I find it records more detail than either the the Canon 100-400 or the Sigma 170-500 or canon 75-300. This is an example with the 300 f/3 + 1.4x Kenko pro 300 TC: http://www.clarkvision.com/galleries...962.b-700.html Of course, if you can afford a 500 mm f/4 L IS, plus carbon fiber tripod and Wimberly head, it is a spectacular setup (with its spectacular price). Examples: http://www.clarkvision.com/galleries/gallery.bird (I just returned from Africa where I took the 500 and 300 f/4 lenses, gallery coming soon after I sift through some 8,000 images) Roger |
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Sigma 170-500mm
"Roger N. Clark (change username to rnclark)" wrote in message ... SNIP (I just returned from Africa where I took the 500 and 300 f/4 lenses, gallery coming soon after I sift through some 8,000 images) Which did you find more useful for your type of shots, the 300 or 500mm? Did you happen to try any 300mm "stitches" (or did you worry about running out of storage for the day)? Bart |
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Sigma 170-500mm
Bart van der Wolf wrote:
"Roger N. Clark (change username to rnclark)" wrote in message ... SNIP (I just returned from Africa where I took the 500 and 300 f/4 lenses, gallery coming soon after I sift through some 8,000 images) Which did you find more useful for your type of shots, the 300 or 500mm? Did you happen to try any 300mm "stitches" (or did you worry about running out of storage for the day)? Bart Hi Bart, Three of us had 500 mm f/4 lenses and 1d Mark IIs. Another had a 300 mm f/4 and 20D. We usually used the lenses with 1.4x TCs or 2x TCs (on the 1D bodies). The 300 on the 1.6 crop 20D is about equivalent to 370 mm on a 1D (1.3x crop) in terms of field of view. There were times when I had the 500 +1.4 or 2x when I wished I had on the 300. Usually there was no time to change lenses so I just did mosaics. Here is my first mosaic: 2 frames on a cheetah, assembled in ptgui: http://www.clarkvision.com/galleries...48-9f-800.html Of course that only works on still animals. Everyone got great photos, regardless of focal length. The bigger lenses helped more for birds. You'll see as we post images that we got real close to many large animals. One day a lion walked past the jeep and the 20D +300 mm recorded a closeup of just the lion's eyes, but I got nothing as my 500 mm would not focus that close (I did get the lion further out of course). I have many mosaics to construct, big animals, birds, and scenics. It'll take me years ;-). No one had any issues with not enough memory cards. I carried about 74 GBytes of CF cards and did not have to reformat any, so I returned with 3 copies of all images and 4 copies of most (I had to delete some from my laptop drive as I ran out of space on it, but I had 2 usb drives for backup). I had to clean my sensor once on the 1DII and not at all on the 10D (on which I usually used a 70-200 f/4 IS). That after 2-weeks in dusty conditions. Let me know how the colors and contrast look on the above image. This is my first processing on a new computer with an LCD, which is calibrated with a spyder 2, but I'm not completely satisfied yet (previously I used a sony crt). Roger |
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