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Old 27-09-2016, 06:51 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Kevin,
For the DIY spectroscope crowd....
The 135mm Zuiko/ Pentax lenses are popular for the DIY Classical spectroscope builders.
I have a collection of old Zuiko lenses in my "box"
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