Modification of Nikkor TC14E to fit earlier AF lenses.

Discussion in 'Nikon' started by alex_lofquist, Apr 12, 2007.

  1. I thought it would be a piece-of-cake to remove the little tab from the front
    of the TC. John Shaw said that he removed the front ring plate to more easily
    file down the tab. So I decided to do just that. I found out that the circular
    spring and three especially shaped shims will fall out if not carefully
    retained, along with the alignment pin and its handle. After filing down the
    tab and attempted to replace everything, I realized that all the aforementioned
    doohickies had fallen out. With about a half hour's fiddling I seemingly got it
    back together, and it appears to be OK. Is there any place where I can find the
    proper sequence and orientation for those rings?

    Incidently, how many people have noticed the identification label(?) visible on
    the glass if you look at it in reflected light and leave the rear cap on? It
    says: LF-1 MADE IN JAPAN. Wonder?
     
  2. ShunCheung

    ShunCheung Administrator

    http://nikonpages.heymanphotography.com/tcmod/
     
  3. "Incidently, how many people have noticed the identification label(?) visible on the glass if you look at it in reflected light and leave the rear cap on? It says: LF-1 MADE IN JAPAN. Wonder?"

    That's not an identification label, and it's not "visible on the glass". It's the inside surface of the LF-1 rear cap, which you can see through the TC glass. :)
     
  4. Mea Culpa. Yes it is on the cap!
     
  5. Here's the sequence for putting the outer gasket rings back together (this is from a TC14E I just opened, I presume it's the same for a TC17E or TC20E):
    The rings all have parts on the outside that extend (wider parts, extending to the outside of the ring):
    Ring 1: going clockwise, a large 'flange', then immediately a very small one, then, approx. in the middle on the other side, a medium size flange
    Ring 2: going clockwise, a small flange, a large one, and in the middle on the other side, a very small one
    Ring 3: going clockwise, a small flange, a very large one, and a large one
    The rings go onto the TC in sequence: ring 1, ring 2, ring 3, then finally the metal ring. For each of the rings, there's only one position that fits, so that should be easy.

    I'll update my modification page this weekend to include the info.

    Hope this helps,
    Christophe.
     

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