Olympus IS/L Lens C-180 H.Q. Converter 1.7X

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May 11, 2018
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Melbourne Aus
I saw a comment recently on DPR where the poster said this old teleconverter worked fine on a Pany 45-150mm
I have that Panasonic lens and seeing that the threads are the same, the converters are fairly cheap and I'd get a FF equiv. of 510mm, at the long end, I'm just a bit interested!
Certain there would be a drop in IQ...but I'm wondering how much....anybody used this?
EDIT: just thinking about this a bit......I presume it would knock the minimum F stop into miniscule territory?
 
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SVQuant

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I have one but never really used it and put it up for sale recently. The center sharpness is rather decent. Also, front mounted TCs do not reduce the f-stop. I can share some knave samples if you are interested.
 

laptoprob

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It looks decent, never used mine converter either, having the bigger 100-300.
On my 45-175 it vignettes heavily upto about 100mm. And you should add some kind of hood.
Mine is available too!
 
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I have one but never really used it and put it up for sale recently. The center sharpness is rather decent. Also, front mounted TCs do not reduce the f-stop. I can share some knave samples if you are interested.
Thanks for that SV....I didn't understand that front mounted converters didn't change the f stop. If you have some samples to put up I'd be interested in seeing them!
 

SVQuant

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Thanks for that SV....I didn't understand that front mounted converters didn't change the f stop. If you have some samples to put up I'd be interested in seeing them!
This thread is informative: https://www.mu-43.com/threads/front-mounted-olympus-teleconverter-wide-converter-experiments.97508/
and look at my post: https://www.mu-43.com/threads/front...ide-converter-experiments.97508/#post-1136285

I don't have a P45-175, but here are a couple of samples.

On the O45/1.8
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On the O40-150 @ 150mm
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As @laptoprob mentioned, it vignettes heavily at the shorter focal lengths.
 
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