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| Posted: Fri Jul 24th, 2020 15:37 |
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21st Post |
Eric
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Neither my D500 nor D850 have a startup time? They are instantly on.  If I prefocus on a subject (to take that operation out of the sequence) ....switch off the camera. Then switch on and press the shutter simultaneously I get a perfectly focused image immediately. Am I missing something? I always felt Thom Hogan gives more balanced reviews... D780 I find the D850 a bit of an overkill for general day to day photography. Having established that the D500 gives me little advantage over the D850 in most situations and preferring the advantages of FX format, I would be tempted to trade in the D500 for a D780 if the price were more sensibly positioned. At £2200, it's too expensive compared to a £1400 D500 and the £2400 D850. I recognise it's newer, but can't help feeling Nikon have struggled with the competition it poses to its own Z6 and decided to keep the price away from the £1500 Z6. A sub £2000 price would tempt me more.
____________________ Eric |
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| Posted: Fri Jul 24th, 2020 18:50 |
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22nd Post |
jk
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Eric, Try this. Switch on camera and instantly push shutter release. It does not fire instantly. The start up time is about 150milliseconds. This is near instantaneous but it is not immediate. Likewise there is a lagtime between shutter release being pushed and shutter firing I think this is 5-15milliseconds depending on the camera. All this stuff is listed somewhere but I can't remember where! I agree that the D780 pricing is very high. I dont use my D850 and Z7 as much as my D800 or Fuji XT3 and XH1. Why? Because the Fuji has just the right amount of 24-26MP and the 30MP of the D800 works very well.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Fri Jul 24th, 2020 18:56 |
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23rd Post |
jk
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Found it. Timings for D850. https://www.imaging-resource.com/PRODS/nikon-d850/nikon-d850A6.HTM
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Jul 25th, 2020 03:34 |
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24th Post |
Robert
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With more recent bodies I have found there is negligible battery drain from leaving the camera turned on throughout a session, so I don't quite see the concern about the very short start up delay. I have never been able to beat the startup time, even with the D1, by the time the camera is to my eye and I press the shutter release the capacitor is charged and it fires the shutter. The only issue was the first D1-D1X battery I built with 18650 cells I used wire which was too thin and created a resistance to the main capacitor, once I had replaced the wire with a heavier size it was perfectly OK. Indeed I have occasionally left cameras turned on for days and found the battery drain has been insignificant, not that I am recommending the practice because I think it could be bad for battery health. Using the D300S for time-lapse over six weeks I became tired of swapping out batteries, I was rotating five EN-EL3 batteries I could see the difference in capacity between the batteries, indeed one died during that session, I eventually used a mains power source which obviously fixed the battery problem but I still had to swap out the CF cards regularly.
____________________ Robert. |
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| Posted: Sat Jul 25th, 2020 05:36 |
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25th Post |
Eric
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jk wrote:Eric, Try this. Sorry Jonathan but that is a mind numbingly insignificant duration in the grand scheme of things. The time it takes the index finger to move from the on switch action to the shutter button is far far longer than that anyway. Just did a test ... prefocused using the back button and switched off. Using index finger on shutter button and second finger to switch on power as near simultaneously as I can manage ( bear in mind I am practiced at simultaneous two button actions, getting screen grabs on an ipad 😆). It took the shot 'straight away'....before the bird moved. I do wonder if those times include the time to focus?
____________________ Eric |
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| Posted: Sat Jul 25th, 2020 06:01 |
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26th Post |
Eric
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Ok here are some interesting? photos. Using the two finger action described above set on motor drive First frame....  Click here to comment on this image. Second frame...  Click here to comment on this image. Is that telling us something about the actual 'preparedness' of the camera to take the photos within the timespan of 2 frames at whatever the FPS the d850 does at CL setting? Being a 'micro' less simultaneous, using index finger to both switch on and immediately move / press shutter.....  Click here to comment on this image. That's fast enough for me. With one second equal to saying 'One Hippopotamus' ...I didn't get beyond pursing my lips. 
____________________ Eric |
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| Posted: Sat Jul 25th, 2020 06:06 |
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27th Post |
jk
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Interesting indeed. What is the dark band to the right of the image? Is it a curtain or the camera not capturing that part of the image? BTW: Dont get me wrong about the startup time. If it is 1 millisecond or 1 second then that is fine but there is a startup time which can be an issue to some people. The Nikons dont sleep like the Fuji cameras. On the Nikon it stays alive on the Fuji it definitely goes to sleep and to wake it even when switched on takes time especially if it is in Normal rather than High Performance time!.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Jul 25th, 2020 06:12 |
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28th Post |
Eric
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jk wrote:Interesting indeed. Nope the curtains were fully drawn .....it's an internal effect. Almost as though part of the camera is ready but another part is still asleep. The sequence is correct by the way. The first frame had less of the black...so it wasn't a progressive waking up...it wasn't ready by the second frame either.
____________________ Eric |
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| Posted: Sat Jul 25th, 2020 06:22 |
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29th Post |
jk
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Hmmm. Situation could be worse than I thought then. Live and learn. Well discovered.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Jul 25th, 2020 06:26 |
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30th Post |
Eric
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Like Robert says, if immediacy (faster than my reflexes  ) is required....leave it switched on.Can't help thinking some of these testers are the same ones that listen for hiss on the speakers rather than hearing the music. 
____________________ Eric |
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