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Burgess 24mm Modified Erfle & 10mm Ultra Mono
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12-10-2018, 02:19 PM
Wavytone
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Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
Bill how does the modified Erfle compare with traditional Erfles and modern variants such as SWA, all of which have strongly curved focal planes ?
Wavytone
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