Thread: Will a .5 focal reducer halve the power of a barlow?
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Old 29-05-2014, 10:17 PM
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Marko of Oz (Mark)
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Will a .5 focal reducer halve the power of a barlow?
I can't test this myself at the moment so I thought I'd ask.

For example, if I put a .5 focal reducer before my 5x powermate will that effectively make the powermate a 2.5x ?

cheers
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