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kiron 2.8/105 macro with glass element adapter?
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PostPosted: Fri Apr 18, 2008 2:00 pm    Post subject: kiron 2.8/105 macro with glass element adapter? Reply with quote

Hey all,
Been reading the forum for a while and this is my first post. I use a sony a100 and came across an olympus kiron 105 for next to nothing. I have looked into om to sony adapters and can only find ones with glass elements for infinity focus, which i dont need on a macro. Would the adapters be worthwhile or would the image quality suffer too much? I can sell the lens for some profit but am not sure if I should. Thanks for any help.


PostPosted: Fri Apr 18, 2008 2:47 pm    Post subject: Reply with quote

Answer is - it depends. Some folk say the degradation in image quality doesn't bother them - which is probably true enough if you're only ever going to print out at 6x4 or so - others don't like it at all.
If you're only going to use it for macro you could remove the glass element.


PostPosted: Fri Apr 18, 2008 3:57 pm    Post subject: Reply with quote

As Dave said, firs to do to remove glass element.


PostPosted: Mon Apr 21, 2008 4:12 pm    Post subject: Reply with quote

Attila wrote:
As Dave said, firs to do to remove glass element.


Before doing that, check whether any glassless macro adapters are to be found. Removing the glass from an adapter may leave you with vignetting, due to the narrow opening where the glass element used to be. Removing the metal that held the element may be tricky and result in shiny metal surfaces reducing contrast. Flat black paint will solve that but it may be more of a project than just "remove the glass element".


PostPosted: Tue Apr 22, 2008 6:30 am    Post subject: Reply with quote

also, adapter thickness might be suited to fit the glass element and after removing it, you might be stuck with thicker-than-necessary adapter that costs more than a glassless adapter.