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| A Nikkor 500mm f5.6 PF ED VR is coming? - Page 4 | |
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| Posted: Sat Oct 6th, 2018 08:48 |
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31st Post |
Eric
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jk wrote:Thanks Robert. I think he's referring to the P lenses not the PF lens
____________________ Eric |
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| Posted: Sat Oct 6th, 2018 13:42 |
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32nd Post |
jk
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I dont understand what the difference is between P and PF. I will check.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Oct 6th, 2018 14:05 |
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33rd Post |
Eric
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jk wrote:I dont understand what the difference is between P and PF. Neither do I but I was castigated for using just the P earlier in another thread as it needed the F to differentiate between the two types. 
____________________ Eric |
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| Posted: Sat Oct 6th, 2018 14:11 |
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34th Post |
jk
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Another synopsis of the difference between the AFS, P and PF lenses. AF-S/SWM Auto focus lenses with built-in 'Silent Wave' Motors which convert traveling waves into rotational energy to focus the lens optics. Designed to be used on bodies with no built in motor, AF-S lenses are fast, accurate, and quiet and all but the cheapest feature fulltime manual focus override. Almost every current Nikkor lens now features the AF-S designation, but there are some that use AF-P, see next entry. Most popular AF-S lenses: Again, since this designation covers nearly the entire range of Nikkor lenses, it's probably more useful to link to this section which lists all current AF-S Nikkor lenses by their popularity. AF-P Nikon AF-P DX 18-55mm f/3.5-5.6G VR Nikon AF-P DX 18-55mm f/3.5-5.6G VR Introduced at the beginning of 2016, the AF-P lenses feature a “stepping motor†like Canon's STM lenses. This style of motor is much is considerably quieter than AF-S technology, and it also has a much smoother motion during the focus process. AF-P is therefore ideal for shooting video, to both maintain a smooth motion during zooming, and also so that you don't hear the focus motors in the recording. Most popular AF-P lenses: Nikon AF-P DX 18-55mm f/3.5-5.6G VR | Nikon AF-P DX 70-300mm f/4.5-6.3G ED VR PF Nikkor 300mm f/4E PF ED VR PF lenses stand for Phase Frenel, and are essentially Nikon's equivalent of Canon's popular DO (Diffractive Optics) technology. This technology uses a specially designed diffractive lens element to correct chromatic aberration, something which typical refractive lenses need several lens elements to do.The diffractive element features a microscopically grooved rear element that forces light of different wavelengths to all converge on the same point (see diagram above). The result is a much smaller and lighter lens. The Nikon PF line began with the 2015 introduction of the Nikkor 300mm f/4E PF ED VR, and continues in 2018 with the introduction of the Nikkor 500mm f/5.6E PF ED VR.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Oct 6th, 2018 15:46 |
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35th Post |
Robert
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Sorry gentlemen, I have been roughcasting again. Just finished, started at 7:30 this morning, rather tired. All done now.  Thanks for JK steeping up with the explanations for the various lens designations, trouble is once we start using the wong terms everybody latches on and thinks it's right. Then confusion reigns! 
____________________ Robert. |
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| Posted: Sun Oct 7th, 2018 05:21 |
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36th Post |
Eric
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Robert wrote:Sorry gentlemen, I have been roughcasting again. Just finished, started at 7:30 this morning, rather tired. All done now. That's very true. I thought my Christian name was "you little b*****d" until I was 5. 
____________________ Eric |
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| Posted: Sat Oct 20th, 2018 10:30 |
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37th Post |
Graham Whistler
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Picked up the new lens this morning from London Camera Exhange in Southampton. All looks good so far fitted it to D850 and did some tests. This Goldfinch on bird feeder is about 1/3 of the full frame. 500mm lens plus x1.4 not very good light in the wood so 2500 ISO 1/400 sec f8. This is lens wide open as it is f5.6 but with the x1.4 you lose a stop. I also found that in poor light auto focus not 100% with x1.4 but fine with out it. In better light no problem at all. Handls a dream so not sorry to see my big 500mm f4 go but can see the advantage of the f4 in poor light like I had today in the woods. Sharpness of images is good well up to 80-400mm lens but early days to say it is as good as the big 500mm lens. Weight and size is what it is all about. PS also had a play with the Z7 Attachment: Goldfinch1936.jpg (Downloaded 27 times)
____________________ Graham Whistler |
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| Posted: Sat Oct 20th, 2018 11:43 |
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38th Post |
Eric
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Well done Graham.Interestimg your comment about the teleconverter influence on focusing accuracy. That might be a plus for the D500 without a tc?
____________________ Eric |
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| Posted: Sat Oct 20th, 2018 12:20 |
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39th Post |
jk
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Woooow. Nice.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sun Oct 21st, 2018 10:02 |
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40th Post |
Iain
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jk wrote:Apparently a P lens doesnt work on D3 or D4. So you need a D850, D500 or D5. I know guys using them on D4 D7200 one guy on a D7000 all using 300mm PF and it works fine.
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