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from
rick1959,
www.shopping.com
Cons: Focusing a bit too fast, causing harder accurate focusing.
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from
1344973,
www.nextag.com
Nikons had Chinese optics that were hard to focus, not as sharp and a bit gray.
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from
www.amazon.com
They suffer from coma, and are "nitrogen filled", not nitrogen purged, which makes a considerable difference in image sharpness.
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from
www.amazon.com
Well it does at infinity, but the near focus distance is entirely overated.
Positives:
Max Magnification: 10 x,10x, Lens Coating: Fully Multi-Coated, With Diopter Adjustable, Focus Type: Center