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olegam

Member Since 23 Mar 2007
Offline Last Active Jun 01 2012 08:33 AM
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Posts I've Made

In Topic: Nikon 5T and 6T with 105 VR Lens + Subal 105VR Port

06 February 2009 - 06:25 AM

In order to retain image quality when using close-up lenses on AF Micro Nikkors (and possible also the MF 200/4 Micro Nikkor) it is advised to mount them in a reversed position.
A thread reversal ring is then needed. I could not obtain one and solved the problem with two Cokin filter rings glued together. The reason why reversal gives better result is said to be improved spherical aberration.