Tamron 70-200 2.8 G2 vs Nikon 70-200 F4

Started 3 months ago | Discussions thread
Michael Benveniste
Michael Benveniste Veteran Member • Posts: 5,175
Re: Tamron 70-200 2.8 G2 vs Nikon 70-200 F4, F4 TEST

Matt_24 wrote:

The E is a little out of my budget. If the G2 has poor field curvature as well I would be more willing to consider it.

Even though it's out of your budget, I would suggest you rent one for a couple of reasons.

  • It sets a cap on expectations. If you are still seeing a lack of corner sharpness, you'll know that perhaps the other posters were correct.
  • It eliminates observer bias.

Based on Roger Cicala's tests here, I see no evidence of field curvature at 200mm among the 9 samples he tested. That doesn't mean yours doesn't have it. What I do see is a substantial drop in contrast and increase in astigmatism at high frequency towards the corners.

If you decide to switch to either the Tamron or the Sigma 70-200mm, or even the 70-200mm VR-II I use, I think there's at least an even money chance you'll be back here complaining about that lens as well. TANSTAAPZ. There ain't no such thing as a perfect zoom.

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