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which one 7 or 9 mm for my 8" SCT
Hi there
Can anyone tell me if I should look at 7 or 9mm eyepiece for my LX90 SCT.
Hoping to buy myself a Christmas present but afraid to make a mistake here.
My worries are that the 7mm may be too powerful for my scope in polluted Sydney sky.
And - yes I am looking at T6 Naglers.
Regards
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