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#61
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
On Sun, 4 Sep 2016 20:15:19 -0700, Savageduck
wrote: On 2016-09-05 03:05:10 +0000, Bill W said: On Sun, 4 Sep 2016 20:02:02 -0700, Savageduck wrote: On 2016-09-05 02:12:39 +0000, Bill W said: On Mon, 05 Sep 2016 14:01:38 +1200, Eric Stevens wrote: On Fri, 5 Aug 2016 16:35:52 -0700, Savageduck wrote: For most purposes I'm a convert to 'back button' focussing, although I must admit I have never tried it on birds. "back button" is useful for many subjects, but doesn't do you much good when shooting a burst while using AF tracking and AF-C for moving subjects such as those pesky birds in flight. I've carried your comment in the back of my mind ever since you made it. So, last Saturday I went round to the local skateboard park to try it out on the kids flying over the jumps. There were not many doing that on Saturday morning and the place was cluttered with 2 year olds being taught by their father .... ! Nevertheless I got a sequence of one ten year old jumping one of the ramps. On Sunday I went back and got a few more. You can find the results on https://www.dropbox.com/sh/a7upuq2tf...0t7CvJbIa?dl=0 The first 7 shots (Saturday) were with D750 and Tamron 24-70. The last two are D750 with Nikon 70-200. All shots used AF-C (continuous) with 21 point selected for focus. Vibration reduction was on although it turned out that it might have been an improvement to have it off. The shutter was set to high-speed continuous (6.5 fps). Camera settings we 1. AE-L/AF-L button set to operate (programmed) to AF-ON. 2. AF-C priority set to release priority. I tracked the subject with my thumb on the AE-L/AF-L button (on the back of the camera) and started shooting when I thought it was time to go. The first 7 shots are typical of the results with the 14-70. It was interesting with the 70-200. The kids were following an entirely different circuit and were making the jump in the opposite direction from the day before (that kid facing the camera in mid air in the second to last shot was actually traveling backwards in mid spin). First they approached me at speed, made a dive to the left down a ramp, zoomed across a stretch of concrete and then shot up the next ramp as photographed. The focus mechanism really worked hard for these shots and it did work too. A couple of times I was a bit slow turning on the autofocus and got there first with the shutter button. I was intrigued to notice that it was only on the third shot that the images were pulled into focus. No doubt some of the delay was due to the time required to focus the 70-200. I am now entirely happy at the thought of using back-button focusing when "using AF tracking and AF-C for moving subjects such as those pesky birds in flight". Mind you, that's with the D750. I have no idea of how well it would have worked with my D300. They do appear nicely focused, although some look like you squished all the resolution out before you uploaded. What was the shutter speed? The EXIF is all there, so, 1/1000 @ f/8. What I couldn't find was the ISO setting. I couldn't find any exif data. What am I doing wrong? I downloaded one of the files to my Mac and then opened it in"Preview" on the Mac and got this: https://dl.dropboxusercontent.com/u/1295663/FileChute/screenshot_267.jpg Okay - I thought I overlooked it on his Dropbox page. |
#62
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
On Sun, 04 Sep 2016 19:12:39 -0700, Bill W
wrote: They do appear nicely focused, although some look like you squished all the resolution out before you uploaded. What was the shutter speed? Dropbox seems to have hidden the Exif data. Taking the exposures in sequence the exposure details a 1 1/1000 f/8 ISO800 2 1/1000 f/8 ISO800 3 1/1000 f/8 ISO800 4 1/1000 f/8 ISO800 5 1/1250 f/8 ISO800 6 1/1600 f/8 ISO800 7 1/1600 f/8 ISO800 8 1/1600 f/6.3 ISO800 9 1/1600 f/6.3 ISO800 The camera was set to Aperture priority with automatic ISO. -- Regards, Eric Stevens |
#63
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
On Sun, 04 Sep 2016 22:31:49 -0400, Tony Cooper
wrote: On Mon, 05 Sep 2016 14:01:38 +1200, Eric Stevens wrote: On Fri, 5 Aug 2016 16:35:52 -0700, Savageduck wrote: I've carried your comment in the back of my mind ever since you made it. So, last Saturday I went round to the local skateboard park to try it out on the kids flying over the jumps. There were not many doing that on Saturday morning and the place was cluttered with 2 year olds being taught by their father .... ! Nevertheless I got a sequence of one ten year old jumping one of the ramps. On Sunday I went back and got a few more. You can find the results on https://www.dropbox.com/sh/a7upuq2tf...0t7CvJbIa?dl=0 I know this is not the type of comment you are looking for, but my first reaction was "Those kids aren't on skateboards!". Those are scooters. I don't see a skateboard in any of those photos. I don't mind any sensible comments. It is the local skateboard park. It's populated by a mixture of skateboards, scooters and the occasional bicycle. You will see the tip of a skateboard in the final image. In this area, the 10 year-olds would be on skateboards at a skateboard park. Now I'm going to have to go to the skateboard park near me and see if those scooters are in evidence here. Some kids have scooters like those here, but they are used on the street. They do occasionally get down to street level. Tomorrow's Labor Day (no school) so the kids should be out all day. Normally, except for weekends, the park is active only in the late afternoon. It's rained - heavy rain, too! - every afternoon in the last couple of weeks. (Eat your heart out, Duck) -- Regards, Eric Stevens |
#64
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
On Sun, 4 Sep 2016 19:57:43 -0700, Savageduck
wrote: On 2016-09-05 02:01:38 +0000, Eric Stevens said: On Fri, 5 Aug 2016 16:35:52 -0700, Savageduck wrote: For most purposes I'm a convert to 'back button' focussing, although I must admit I have never tried it on birds. "back button" is useful for many subjects, but doesn't do you much good when shooting a burst while using AF tracking and AF-C for moving subjects such as those pesky birds in flight. I've carried your comment in the back of my mind ever since you made it. So, last Saturday I went round to the local skateboard park to try it out on the kids flying over the jumps. There were not many doing that on Saturday morning and the place was cluttered with 2 year olds being taught by their father .... ! Nevertheless I got a sequence of one ten year old jumping one of the ramps. On Sunday I went back and got a few more. You can find the results on https://www.dropbox.com/sh/a7upuq2tf...0t7CvJbIa?dl=0 The first 7 shots (Saturday) were with D750 and Tamron 24-70. The last two are D750 with Nikon 70-200. Nice capture of the sequence and the individual shots. All shots used AF-C (continuous) with 21 point selected for focus. Vibration reduction was on although it turned out that it might have been an improvement to have it off. The shutter was set to high-speed continuous (6.5 fps). Camera settings we 1. AE-L/AF-L button set to operate (programmed) to AF-ON. 2. AF-C priority set to release priority. Any reason you didn't use D3-Tracking, or whatever it is called in the D750? I could have used 3D tracking but I was keeping things simple. Afterall, this was a trial. I might try #D tracking next week end. I tracked the subject with my thumb on the AE-L/AF-L button (on the back of the camera) and started shooting when I thought it was time to go. The first 7 shots are typical of the results with the 14-70. It was interesting with the 70-200. The kids were following an entirely different circuit and were making the jump in the opposite direction from the day before (that kid facing the camera in mid air in the second to last shot was actually traveling backwards in mid spin). First they approached me at speed, made a dive to the left down a ramp, zoomed across a stretch of concrete and then shot up the next ramp as photographed. The focus mechanism really worked hard for these shots and it did work too. For that type of movement and direction change I would have used AF-C 51 point 3D-Tracking with my D300S. ...but you are using a D750, and I could be totally wrong. It seemed to work fairly well as it was. A couple of times I was a bit slow turning on the autofocus and got there first with the shutter button. I was intrigued to notice that it was only on the third shot that the images were pulled into focus. No doubt some of the delay was due to the time required to focus the 70-200. That is a reason I would leave it to the camera and use AF-C + "Focus Priority" + 3D-Tracking. Than might slow the frame rate a tad, but that has been inconsequential for me. I have found that if I use "Release Priority" I can have a higher percentage of OoF rejects, particularly with aircraft. I am now entirely happy at the thought of using back-button focusing when "using AF tracking and AF-C for moving subjects such as those pesky birds in flight". Mind you, that's with the D750. I have no idea of how well it would have worked with my D300. If it works for you, OK. I have not adopted the back-button focusing method, other than some experimenting. Perhaps if I use it with a different camera to the D300S. I'm sold on it. You should try and get hold of the Rockynook book http://tinyurl.com/hrfqdsd Highly recommended. -- Regards, Eric Stevens |
#65
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
On 9/4/2016 10:31 PM, Tony Cooper wrote:
snip Tomorrow's Labor Day (no school) so the kids should be out all day. Normally, except for weekends, the park is active only in the late afternoon. It's rained - heavy rain, too! - every afternoon in the last couple of weeks. (Eat your heart out, Duck) Why didn't you email the rain to the Duck. -- PeterN |
#66
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
On 2016-09-05 15:27:29 +0000, PeterN said:
On 9/4/2016 10:31 PM, Tony Cooper wrote: snip Tomorrow's Labor Day (no school) so the kids should be out all day. Normally, except for weekends, the park is active only in the late afternoon. It's rained - heavy rain, too! - every afternoon in the last couple of weeks. (Eat your heart out, Duck) Why didn't you email the rain to the Duck. Because he is just a cruel and heartless Floridian wallowing in his trendy wetness. -- Regards, Savageduck |
#67
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Fuji's XF 100-400mm zoom beats Nikon's 300mm f/4.0 VR prime.
In article 2016090508465551407-savageduck1@REMOVESPAMmecom,
Savageduck wrote: On 2016-09-05 15:27:29 +0000, PeterN said: On 9/4/2016 10:31 PM, Tony Cooper wrote: snip Tomorrow's Labor Day (no school) so the kids should be out all day. Normally, except for weekends, the park is active only in the late afternoon. It's rained - heavy rain, too! - every afternoon in the last couple of weeks. (Eat your heart out, Duck) Why didn't you email the rain to the Duck. Because he is just a cruel and heartless Floridian wallowing in his trendy wetness. Drive over and feed him to them agligators then... That should set him straight! -- teleportation kills |
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