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Author Topic: 70-200mm AFS f/2.8 E FL ED VR  (Read 31706 times)

Fons Baerken

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #15 on: October 19, 2016, 12:40:22 »
A simple search on the element

https://en.wikipedia.org/wiki/Fluoride_glass

where i got curious after listening to the rant of the tatoo dude with the plastic shirt

https://www.youtube.com/watch?v=XFijq6CL_fA

Got me thinking ;)
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Ilkka Nissilä

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #16 on: October 19, 2016, 12:46:04 »
 Calcium fluoride = fluorite.  It's not glass.
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PedroS

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #17 on: October 19, 2016, 12:48:04 »
Well, I think who's on crack is not Nikon...

Used my 400mm FL in harsh cold weather, and imagine what, still perfect the FL element...
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ArendV

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #18 on: October 19, 2016, 12:50:06 »
Nikon mentions this in their NIKKOR Lens Glossary under ED glass (and not under fluorite lens) and I assume was a justification not to use fluorite lenses. The Nikon position has changed on this I think and hence this statement may require updating.
http://imaging.nikon.com/lineup/lens/glossary.htm
Quote
However, fluorite easily cracks and is sensitive to temperature changes that can adversely affect focusing by altering the lens' refractive index.
So Nikon designers and engineers put their heads together and came up with ED glass, which offers all the benefits, yet none of the drawbacks of calcium fluorite-based glass.
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Arend

Ilkka Nissilä

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #19 on: October 19, 2016, 13:05:17 »
Quote from: PedroS on October 19, 2016, 12:48:04
Used my 400mm FL in harsh cold weather, and imagine what, still perfect the FL element...

Right but that's a new lens. Use it every day for 20-30 years, bump it around as you go, drop it a few times, and then we can look at statistics of how common fractured fluorite elements have been with this technology.  :)
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PedroS

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #20 on: October 19, 2016, 13:12:18 »
Quote from: Ilkka Nissilä on October 19, 2016, 13:05:17
Right but that's a new lens. Use it every day for 20-30 years, bump it around as you go, drop it a few times, and then we can look at statistics of how common fractured fluorite elements have been with this technology.  :)

For that long, no statisticals here, because I'll got a new one...  ;)
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longzoom

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #21 on: October 19, 2016, 13:29:31 »
Quote from: Erik Lund on October 19, 2016, 09:34:45
One significant change is that the zoom and focus rings has switched, like some of the 'cheap' zooms. will be interesting if it usable in real life to have the hand so far forward,,,
   It is only engineering solution to shrink the FB problem - its giving 8-10mm more for inside zooming, and allows shorter working distance - from 1.4 to 1.1 meters. Wise move!  LZ 
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Akira

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #22 on: October 19, 2016, 13:31:46 »
Nikon doesn't mention the focus breathing on its own website.
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tommiejeep

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #23 on: October 19, 2016, 13:35:31 »
So far nothing about the lens makes me want to take a hit on selling my 70-200 2.8G vr  II.  Money would be better spent on the 105 1.4.   I use my current lens primarily for sport (soccer , when the play is coming at me and close) events and portraits.  Just took some shots at min. focus of my wife and son on a D750 that has not been fined tuned for the lens.   They are happy.   I use it on the D3S most of the time.   
Cheers,
Tom
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Tom Hardin, Goa, India

longzoom

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #24 on: October 19, 2016, 13:36:40 »
Quote from: Akira on October 19, 2016, 13:31:46
Nikon doesn't mention the focus breathing on its own website.
   Hope this problem is reduced to the very minimum, with this new version. Rings are switched for the reason. LZ
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tommiejeep

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #25 on: October 19, 2016, 13:38:23 »
Quote from: Akira on October 19, 2016, 13:31:46
Nikon doesn't mention the focus breathing on its own website.
Now that is a surprise  ;) .  If it is a factor, we will probably hear about it from users/reviewers.
Tom
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Tom Hardin, Goa, India

tommiejeep

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #26 on: October 19, 2016, 13:44:03 »
LZ, the placement of the rings now is fine with me.  I would just have to get my hand to used to the new positioning after using the lens extensively for 8 years or so.  I never used the buttons on either version of the 70-200vr.  The buttons on the 300 2.8 vr and 500 f4 vr are a different matter but not used that often.
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Tom Hardin, Goa, India

longzoom

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #27 on: October 19, 2016, 13:51:01 »
Quote from: tommiejeep on October 19, 2016, 13:44:03
LZ, the placement of the rings now is fine with me.  I would just have to get my hand to used to the new positioning after using the lens extensively for 8 years or so.  I never used the buttons on either version of the 70-200vr.  The buttons on the 300 2.8 vr and 500 f4 vr are a different matter but not used that often.
  The same with me, but, to judge by my 80-400G, (zoom ring in the front), is extremely convenient, for me, at least! Looking forward for your opinion on that new amazing lens! LZ 
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Erik Lund

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #28 on: October 19, 2016, 13:53:55 »
Large JPG files,,,

http://www.cameraegg.org/af-s-nikkor-70-200mm-f2-8e-fl-ed-vr-lens-sample-images/

Slow loading,,, sorry all the way from CN
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Erik Lund

longzoom

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Re: 70-200mm AFS f/2.8 E FL ED VR
« Reply #29 on: October 19, 2016, 13:59:14 »
Quote from: Erik Lund on October 19, 2016, 13:53:55
Large JPG files,,,

http://www.cameraegg.org/af-s-nikkor-70-200mm-f2-8e-fl-ed-vr-lens-sample-images/

Slow loading,,, sorry all the way from CN
  Some little vignetting, very high resolving power, extremely high color/contrast ratio! To judge by those JPG's, the lens will be sold by itself!  THX for sharing!  LZ
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