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Old 01-05-2021, 01:52 PM
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doug mc
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SV503 102mm f/7 ed how good

Interested in knowing if anyone has purchased one of these. Interested in visual use only.
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Old 01-05-2021, 08:02 PM
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AG Hybrid (Adrian)
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Well, I got curious and went down a bit of a rabbit hole. But, it stated ED element is S-FPL51. In a doublet there will be some purple fringing on the bright stuff. For visual should be fine actually. You would probably want a triplet for AP.



If you too want to go down a glass type rabbit hole, this thread below should keep you occupied for... oh at least half an hour. https://www.cloudynights.com/topic/5...-fpl-51-glass/
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