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Petzval Design
Pleiades
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7 Elements APO DESIGN
Gran Turismo
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3 Elements APO Design
Fluorostar
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  Fluorostar 91
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3 Elements APO Design
Zenithstar
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  Zenithstar 61 II
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  Zenithstar 81 WIFD
2 Elements APO Design
Guider
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  GuideStar 61
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