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New TC14III not compatible with 300f4
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<blockquote data-quote="aroy" data-source="post: 306766" data-attributes="member: 16090"><p>Optically there is nothing in a TC to make it incompatible. Electrically the "ADF" and "AFS" lenses have the same set of contacts.</p><p></p><p>The problem with Nikon TC is mechanical. Their front element protrudes out, hence pushes into the lense. So if the last element in the lens is at or near the end, it or the TC will be damaged.</p><p></p><p>I think that Nikon omitted the 300F4, due to oversight. The last element in the 300F4 is way inside, and in no case can the TC front element touch it.</p></blockquote><p></p>
[QUOTE="aroy, post: 306766, member: 16090"] Optically there is nothing in a TC to make it incompatible. Electrically the "ADF" and "AFS" lenses have the same set of contacts. The problem with Nikon TC is mechanical. Their front element protrudes out, hence pushes into the lense. So if the last element in the lens is at or near the end, it or the TC will be damaged. I think that Nikon omitted the 300F4, due to oversight. The last element in the 300F4 is way inside, and in no case can the TC front element touch it. [/QUOTE]
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New TC14III not compatible with 300f4
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