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Got an achro but is it to slow
Hi guys I have bought a 120mm F8.3 Achro and I,m concernd it will now be too slow.
Is there any good news here like maybe the CA wont be quite as bad with the longer focal length or is it all bad news.
I know planetary work likes the longer FL but I,m more interested in DSP
I couldn,t resist the price of this scope but I feel I may have jumped the gun.
Any help much appreciated.
Cheers Brad
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