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Matt, et al,
I bought a 102/1100 achromat to use with my Baader Herschel Wedge, based on similar assumptions.
I was subsequently corrected and shown that the Herschel wedge is safe to use with multi-element refractors.
My concern was with the ol' Genesis which has a Petzval lens group close to the drawtube - this is being successfully used for white light/ wedge solar viewing in Europe!
Now the TS102 is being used for a Stage 2 PST mod!!!!
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