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Photography Gear and Technique / Archived topic

Using longer Ike's flat port

Started by Arnon_Ayal ·

  • 6Posts
  • 6Replies

Read-only discussion

Using longer Ike's flat port

6 posts
  1. I'm going to purchase a flat port for the Nikon 60mm + Kenko X2 converter.

    According to the specs and also from test field what I need is the Ike #5505.5 flat port.

    The problem with that port is that there is no place there for close-up filters, so I thought to buy the #5505.58 that have more 6mm.

    My question is if I can use this port with that combination is there a problem because the extra length.

    I know, the best answer is to borrow one and check, but my local dealer don't have it in stock.

  2. The extra few millimeters is not going to be a problem, they just eat a few millimeters from your port-to-subject distance. I'm just wondering if you'd want to add a diopter to a system that already has a very short working distance but it sounds like you are a macro extremist so maybe you do.

     

    Bart

  3. The extra few millimeters is not going to be a problem, they just eat a few millimeters from your port-to-subject distance. I'm just wondering if you'd want to add a diopter to a system that already has a very short working distance but it sounds like you are a macro extremist so maybe you do.

     

    Bart

    Tn'x for the answer, in some situations I think to use it but as you mention it's probably very limited due the very short distance.

    I was concern if there option that the port side will 'enter' the frame.

  4. The macro lenses have quite a narrow field of view. In my analog camera, I used quite a long port for a 50mm macro. with infinite focus the lens was at it's shortest, and i took a sunset pic just before the nightdive with no problems.

     

    I think there can easily be a cm to an inch before problems will start (but I like my 60mm - I dont move at all - EF-s lens.

  5. I had the same experience as cerianthus. Even a 28-75mm zoom at its 28mm shortest setting gave no vignetting in a 5.1" flat port. On a 1.5x crop nikon camera your 60mm lens behaves like 90mm so you will not quickly run into vignetting problems.

     

    Bart

  6. I guess I would agree with Bart. The 60mm already has a very close focus distance. Adding a closeup filter will only bring this in even more. Now add the fact that you are using a longer port that eats into that already close working distance and maybe your close focus is inside the port!

     

    Now all you have done is restrict longer focus distances and make it harder to shoot.

     

    I think the closeup lenses work much better on the 100mm and above range macros. There you have some working distance to play with.

     

    If you do use closeup lenses make sure they are the dual lens type such as the Canon 500D or the Nikon 4-6T variety.

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