I will be trying the Kiron out this weekend. I no longer have a long
(300+) lens to try it with. I will be playing with it on the 75-150, the
135 f2.8, and a Tokina ATX 80-200. I will try to report back next week
with results.
Jim Couch
Moose wrote:
>Bernard Frangoulis wrote:
>
>
>
>>The problem with the Zuiko 1.4x, besides the rather high price, is that it
>>does not fit all lenses.
>>
>>
>>
>That's sort of a good news - bad news "problem" Third party makers have
>to make their converters compatibile with a wide range of lenses. Oly
>took the course of designing the 1.4x just for their longer lenses. The
>result was a design optimized for certain optical criteria. Part of that
>was putting the front elements of the converter as close to the rear
>elements of the prime lens.
>
>The good news is that the Zuiko 1.4x is apparently superior to all
>others. Walt reports it is better than the Tamron SP 1.4x, which had the
>same advantage of being designed only to fit their own adaptall lenses,
>but fits most of them.
>
>The bad news is that it doesn't fit all the lenses we might like it to fit.
>
>The news is similar for the Zuiko 2x. It won't fit some lenses I might
>wish it would fit. For example, the Tamron adaptall 2x SP converter
>makes their 90/2.5 lens into an excellent 180/5 macro with focusing from
>infinity to 1:1. I have the Zuiko 90/2 and the 2xA and was frustrated
>that a boss on the back of the 90/2 prevents it from fitting on the 2xA.
>However, Gary tested this combo with a 90/2 physically modified to fit
>the 2xA. The results were terrible. Again, Oly has created a lens
>optimized for limited uses.
>
>
>
>>For instance I could not use it with my 135/2.8, making a very compact 200/4
>>
>>
>>
>Maybe now you know why.
>
>
>
>>for my "light travel" Domke bag. That's why I was
>>wondering if other 1.5x converters were any
>>better: Kenko, Kiron, Soligor... - anybody has
>>tested them?
>>
>>
>>
>The Kiron 1.5x vignettes on the 300/4.5. Ok for many shots which may be
>cropped, but not a general purpose solution. I haven't tried it on
>shorter lenses.
>
>Moose
>
>
>
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