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Thread: 24-70mm f/2.8G

  1. #1

    Default 24-70mm f/2.8G

    Hi all,
    Can I use 24-70mm f/2.8G on my D7000?
    or is it better to use 17-55mm f/2.8 ??

  2. #2
    Senior Member geraldkhoo's Avatar
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    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by bethpapa74 View Post
    Hi all,
    Can I use 24-70mm f/2.8G on my D7000?
    or is it better to use 17-55mm f/2.8 ??
    Yes... u can use the 24-70 on your D7000... but the field of view is quivalent to 36-105mm.

    The 17-55 is equivalent to 26-82mm.

    It really depends on the focal length that you like to shoot...
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  3. #3
    Member sf_kang's Avatar
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    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by bethpapa74 View Post
    Hi all,
    Can I use 24-70mm f/2.8G on my D7000?
    or is it better to use 17-55mm f/2.8 ??
    The answer is CAN. But question is which is preferred.
    The D7000 is a cropped sensor. So the 24-70 may not be wide enough at the 24 end although the 70 end is fine.

    Using the 17-55 gives wider coverage at the wide end. In future, you can buy a 18-200 VRII to cover the long end.

    Think SYSTEM, i.e. select lenses that eventually come together as a system that complements your DSLR.

    Only one point in favour of the 24-70 and that is you plan to go onto FX bodies in the near future.

    I had FX lenses since my 35mm-Film shooting days. When I used the cropped bodies like D200, D300, I kept these FX lenses. So when I went to D700 (FX body), I added on with the 24-70/2.8G and also the 70-200/2.8G VRII.

    Hope this helps.

    Fred

  4. #4

    Default Re: 24-70mm f/2.8G

    I am asking because amazon is offering usd300 off the 24-70 f/2.8.

    Kit lens is 18-105mm... then it will be contradicting to get the 24-70mm since it is equiv to 36-108mm??

    I like the 24-70mm or even the 17-55mm f/2.8 becos of their fixed aperture, built quality and ultimately ... the image quality.

    kit lens is not really tempting at all.

    any advise?

  5. #5

    Default Re: 24-70mm f/2.8G

    if u don't need the width now and planning to get a FX camera in the near future...choose 24-70

  6. #6

    Default Re: 24-70mm f/2.8G

    Both are great lenses. You just have to understand your preferred range of focal lengths and select the lens. I personally favor the 24-70mm.

  7. #7

    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by bethpapa74 View Post
    I am asking because amazon is offering usd300 off the 24-70 f/2.8.

    Kit lens is 18-105mm... then it will be contradicting to get the 24-70mm since it is equiv to 36-108mm??

    I like the 24-70mm or even the 17-55mm f/2.8 becos of their fixed aperture, built quality and ultimately ... the image quality.

    kit lens is not really tempting at all.

    any advise?
    Kit lens can achieve similar image quality when stopped down enough. The only reason you should get those lenses are for their large apertures. If you shoot only landscapes, the kit lens is sufficient, a better lens would be a wider one, or a longer lens, depending on how you want to shoot your landscapes.

    You have to know what you are going to shoot in order to decide what lens to buy.

  8. #8
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    Default Re: 24-70mm f/2.8G

    get the tamron 17-50, a 35 1.8 and a 50 1.8. Save money more options.

  9. #9

    Default Re: 24-70mm f/2.8G

    D7000 has high MP and so is demanding on the lens. I wouldn't suggest 3rd party lens. 17-55 is more practical for DX but if you do have a timeline to move to FX or to have FX to co-exist with your DX, then get 24-70 and 14-24. If not, just get 17-55.

  10. #10

    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by shelomoh View Post
    D7000 has high MP and so is demanding on the lens. I wouldn't suggest 3rd party lens. 17-55 is more practical for DX but if you do have a timeline to move to FX or to have FX to co-exist with your DX, then get 24-70 and 14-24. If not, just get 17-55.
    The Tamron 17-50 is almost as sharp as the 17-55 DX. The Sigma 50/1.4 is sharper than Nikon 50/1.4

    I don't know what you are talking about third party lenses not being as sharp as Nikon/Canon lenses, that is just a myth.

  11. #11
    Member sf_kang's Avatar
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    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by bethpapa74 View Post
    Hi all,
    Can I use 24-70mm f/2.8G on my D7000?
    or is it better to use 17-55mm f/2.8 ??
    The original question by TS is to decide between the two lenses. Both are good lenses - one slightly longer and one slightly shorter/wider.

    For normal shooting, both lenses will be OK.
    However for landscape using a cropped body, he'll need to go wider beyond 17mm, e.g. down to 14mm or even 12mm.

    Click on this link
    http://www.flickr.com/photos/2885870...7625406964425/ for examples of

    shots I took some years ago while visit JiuZhaiGou. Many of them were shot with the Nikon 12-24mm/f4 on a D200 (cropped sensor). I have since gone on to a D700 (FX) hence I shoot with the 24-70mm/f2.8. However, when I expect to shoot spectacular sceneries and landscape, I bring along the Nikon 14-24mm/f2.8 for landscape shots with the panaromic effect. They're stunning. Do click on this link to see some shots taken with the 14-24/f2.8 while on a trip to Turkey last year.
    http://www.flickr.com/photos/2885870...7625532446002/

    Point is this: to get wide enough for spectacular landscape shots ON A DX BODY, you need to get down to 14mm or 12mm or 11mm. There will be some distortions and that will depend on how well the UWA lens is designed. If you look at image DSC_3533, there is perpective effect when shot from a low angle, but notice the columns of the building are still straight!
    That's a really good UWA lens IMO.

    Fred

  12. #12

    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by geraldkhoo View Post
    Yes... u can use the 24-70 on your D7000... but the field of view is quivalent to 36-105mm.

    The 17-55 is equivalent to 26-82mm.

    It really depends on the focal length that you like to shoot...
    There is no 1.5x focal length for the 17-55mm since it's a DX lens right?

  13. #13
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    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by Sgdevilzz View Post
    There is no 1.5x focal length for the 17-55mm since it's a DX lens right?
    17-55mm is equivalent to 25.5-82.5mm.

  14. #14

    Default Re: 24-70mm f/2.8G

    Amazon now is selling

    Nikon 14-24mm f/2.8G ED AF-S Nikkor Wide Angle Zoom Lens for
    usd2185 - usd400 (amazon discount) = usd1785 - usd400 (D7000 bundle discount) = usd1385

    Nikon 24-70mm f/2.8G ED AF-S Nikkor Wide Angle Zoom Lens
    usd1700 - usd300 (d7000 bundle discount) = usd1400

    I cannot tell CFO that I am buying these 2 high end lens ... so is it more visible for me to just buy the 14-24mm (to cover wide angle of 21-36 equiv) and for zoom i will just use the kit lens 18-105 ???

    Does it make more sense like this???

    I want to use it more for street and portrait photography ... also Macro.

    Can advise me?

  15. #15
    Member Irvine's Avatar
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    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by Sgdevilzz View Post
    There is no 1.5x focal length for the 17-55mm since it's a DX lens right?
    focal length remains the same, field of view doesnt.

    DX has a crop factor of 1.5x compared to FX, which means, the field of view u get on DX at 17mm is the same as the field of view u get on FX at 25.5mm.

    DX lenses are made with a reduced image circle at the rear element for use on smaller DX sensors, while FX lenses are made with a bigger image circle for use on larger FX sensors.

    so if u use DX lenses on FX bodies in FX mode, u will get heavy vignetting at sides as the image circle of the DX lenses is optimally designed for use on DX sized sensors (except 35mm f/1.8G DX)

    while if u use FX lenses on DX sensors, u will get to enjoy the "sweet spot" advantage, taking only the middle of the image circle of the FX lenses. Vignetting is very low compared to using DX lenses on DX sensors. u will get better border quality as well.
    Google is your friend. Make use of it.

  16. #16

    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by Irvine View Post
    focal length remains the same, field of view doesnt.

    DX has a crop factor of 1.5x compared to FX, which means, the field of view u get on DX at 17mm is the same as the field of view u get on FX at 25.5mm.

    DX lenses are made with a reduced image circle at the rear element for use on smaller DX sensors, while FX lenses are made with a bigger image circle for use on larger FX sensors.

    so if u use DX lenses on FX bodies in FX mode, u will get heavy vignetting at sides as the image circle of the DX lenses is optimally designed for use on DX sized sensors (except 35mm f/1.8G DX)

    while if u use FX lenses on DX sensors, u will get to enjoy the "sweet spot" advantage, taking only the middle of the image circle of the FX lenses. Vignetting is very low compared to using DX lenses on DX sensors. u will get better border quality as well.
    But if you're using a D7000 with 17-55mm. Doesn't it remain at 17-55?

  17. #17

    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by Sgdevilzz View Post
    But if you're using a D7000 with 17-55mm. Doesn't it remain at 17-55?
    Yes the lens still a 17-55, but the image still goes through the crop factor, and it will end up at (an equivalent of) 1.5x the focal length of whatever you set the lens to.

  18. #18

    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by Sgdevilzz View Post
    But if you're using a D7000 with 17-55mm. Doesn't it remain at 17-55?
    Is it becos u r using a DX lens on DX body?

    If I use a FX lens on DX body ... 14-24mm --> 21-36mm right?
    but a FX lens on a DX body ... i will enjoy a better crop image right?

  19. #19

    Default Re: 24-70mm f/2.8G

    A good reading about focal length and FOV here:

    http://mansurovs.com/equivalent-foca...-field-of-view
    Kent Wong Photography |Leica Q & Leica M-P 240 | 75 & 28mm Summilux

  20. #20
    Member Irvine's Avatar
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    Default Re: 24-70mm f/2.8G

    Quote Originally Posted by bethpapa74 View Post
    Is it becos u r using a DX lens on DX body?

    If I use a FX lens on DX body ... 14-24mm --> 21-36mm right?
    but a FX lens on a DX body ... i will enjoy a better crop image right?
    no. it's the fact that u r using a DX body.

    i repeat: focal length does NOT change. only field of view is affected.

    be it a FX lens or a DX lens, as long as it's mounted on a DX body, the field of view on DX is the same as the field of view on FX of wadever focal length u use on DX body x crop factor of 1.5.

    just that u enjoy the "sweet spot" advantage using FX lenses due to the smaller size of the DX sensor.
    Last edited by Irvine; 29th January 2011 at 10:49 PM.
    Google is your friend. Make use of it.

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