Malinois
Reged: 28/04/2001
Posts: 94
Loc: Yorkshire
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Hi,
currently collecting good glass but I am picking up very, very mixed reviews about this lens on full frame.
Most are saying it is not that good on full frame as it is on DX even though it is not a DX lens.
Does anyone know any different?
Ian
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El Sid
Going potty
Reged: 14/04/2003
Posts: 9463
Loc: Sussex-by-the-Sea
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I presume you mean 70-200 VR as IS normally suggests a Canon lens?
Not as good on full frame in what way? Vignetting, softness AF etc.?
Vignetting may be a problem as the shallow incidence angles of light in the corners can give rise to a bit of darkening - eg comments about the Canon 5D vignetting with it's 'kit' 24-105L lens were quite common. I'd expect a telezoom to be less prone to this but it's still a potential issue.
Wide open the edge and corner performance may be slightly 'poorer' than on a DX body but then the FX frame uses a far larger portion of the image circle than the DX which crops a much smaller area and quite likely avoids most of the potential drop-off in image quality that occurs toward the edge of the image circle.
Can't see there should be any issues with AF unless there is a communication/calibration issue between the body and lens...
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Nigel
Completely BSRIPN 
ElSid Gallery
A camera in the hand is better than one in the cupboard........
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Matt Golowczynski
WDC Technical Writer
Reged: 07/08/2007
Posts: 151
Loc: London
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There was some concern about corner sharpness with this combination, but also focusing. There was a test in BJP a couple of weeks back with this lens on a D3, and, according to the test, it seemed to show the same misfocusing that has been reported on forums by a number of other people. The issue was with the lens in continuous focus mode (I think wide open). It's worth having a look if you can find the issue, but whether this is the case or not with the D700 I can't say.
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Brendan
member
Reged: 27/01/2006
Posts: 116
Loc: Birmingham UK
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Ian,
It depends on what you want to use it for......
As a PJ/ event lens its superb on FX (and you get the 70mm FOV back!).
No its not sharp corner-corner, but stopped down it improves - I have a full test page up on my website that I did when this was first raised.
According to e-mails with Bjorn Rorslett, mine is a better copy than the two he has tested.
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Brendan Delaney
brendandelaneyphotography.com
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Malinois
Reged: 28/04/2001
Posts: 94
Loc: Yorkshire
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Hi,
thanks for the replies. The only downside with posting on this forum sometimes is people splitting hairs (Sorry, should have said VR)
I want to use it for candid outside portrait type work mixed with some sports shots of my dogs.
People on other forums seem to be advising holding off until Nikon launch its replacement (if indeed they do) or buy the older 80-200 without the VR.
Just not sure if I need the VR or not.
Ian
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El Sid
Going potty
Reged: 14/04/2003
Posts: 9463
Loc: Sussex-by-the-Sea
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Quote:
The only downside with posting on this forum sometimes is people splitting hairs (Sorry, should have said VR)
You'd be amazed how many people ask the wrong question about the wrong thing or have even managed to read something about one item and managed to apply it to another brand altogether...
We endeavour to help people as much as possible on this forum and in return we only ask that that they make it clear what they are asking and/or what it's about..............is that really too much to hope for?..... 
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Nigel
Completely BSRIPN
ElSid Gallery
A camera in the hand is better than one in the cupboard........
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Brendan
member
Reged: 27/01/2006
Posts: 116
Loc: Birmingham UK
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Candid shots and shots of dogs should be ideal for the 70-200 VR. I would get it rather than waiting..... Why?
1. AFS - MUCH faster for sports work chasing a dog - you will get more keepers.
2. VR - useful for candids. Yes you CAN push ISO up, but its better not to have to and shooting at 200mm at 1/125 you will notice the value of VR.......
There was a review in BJP which slated AF performance in moving subjects with the 70-200 and D3, but I don't think the reviewer was using the AF set up properly - its complex, especially for moving subjects towards the camera. 'The image doctors' on Nikonians podcasts did a very good hour on AF settings on the D3/D300/700 last month.
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Brendan Delaney
brendandelaneyphotography.com
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