General discussion

telephoto lens for nikon D90?

I have a DSLR (Nikon D90) camera. I'm in the market for a telephoto lens to use taking pix of my kid's sports; mostly indoor, but sometimes outdoors. Something easy-to-use that would give me good pix quality is my goal... but I'm not a pro and don't want to break the bank buying a $5,000 lens.
I'm not sure if this is possible, but any and all suggestions welcome for this camera newbie... thanks

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If you want zoom then

The choices are the from the cheapest, Sigma 70-200mm F2.8, to the best of the Nikon 70-200mm F2.8 VR. Here are the links to both to give you price difference.



For outdoor sports, you can add a 1.4x teleconverter to the lens, which would make it a 98-200mm F4 lens.

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No editing ability

With the 1.4x teleconverter added to the 70-200mm, it would change it to a 98-280mm(not 200mm) F4 lens.

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If you consider the crop factor of D90

Then it will actually be equivalent to 147-420mm. The teleconverter will extend the reach of the lens, but will slow down the AF. I will only use the teleconverter in daytime outdoor sports. For indoor and low light sports, I will avoid the teleconverter, you will probably get better result cropping the photo in postprocessing. In low lighting, getting a shutter speed 1/500 or faster can be difficult, so at 420mm one may encounter blurriness from handheld shots, and teleconverters will lower the quality of the shots in low lighting. Without the teleconverters, the lens will reach 300mm, not as likely to have problem with handheld shots. Using a tripod or monopod can increase the sharpness of your shots (having IS or VR will also help in handheld shots).

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