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Amazon.com : Focus Pyramid AutoFocus Lens Calibration Tool Compatible With Most DSLR Cameras : Camera Lenses : Electronics
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Thom Hogan thinks D7000's Auto Focus is OK: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review
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Amazon.com : Focus Pyramid AutoFocus Lens Calibration Tool Compatible With Most DSLR Cameras : Camera Lenses : Electronics
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