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Thanks Ken for that useful info,I was told your the man I should seek out for help.I am only a visual observer and do no imaging.I don't mind not seeing the full disk when observing.
I was thinking of placing a 75mm erf internally.What do you think of the Lunt 75mm ERF energy rejection filter and using a baader uv/ir filter in the nosepiece of the lunt diagonal?
I am not sure of the exact placement of the ERF filter internally?Would this internal filter further reduce the effective aperture of the resulting scope?
Also would l be able to use a pair of burgess binoviewers I have with the resulting scope,as I would be able to adjust the placement of the Lunt adaptor in the 120mm scope and thus allowing me to achieve focus by moving it up or down?
Thank you Ken,…..Nick.
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