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by Tango Charlie
Wed Aug 08, 2018 11:42 am
Forum: General Astronomy
Topic: Filter to Counter Aberration
Replies: 1
Views: 3057

Filter to Counter Aberration

Greetings. I have an Explore Scientific AR152 achromatic refractor. Later in time perhaps can afford an APO. What lense filter (s) do you recommend to counter aberration encountered by an achromatic? Thanks!

Brooksville, FL