Coma Corrector Vs. Barlow
- Refractordude
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Coma Corrector Vs. Barlow
A barlow lens will increase the focal ratio of a telescope. So can a barlow lens replace the need for a coma corrector? It is my understanding that a coma corrector is used for low focal ratio reflectors. Thanks all
- notFritzArgelander
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Re: Coma Corrector Vs. Barlow
No. Let's say you have 2 eyepieces, 15mm and 30mm, and a 2x barlow. Let's say you seeRefractordude wrote: ↑Wed Oct 06, 2021 12:23 am A barlow lens will increase the focal ratio of a telescope. So can a barlow lens replace the need for a coma corrector? It is my understanding that a coma corrector is used for low focal ratio reflectors. Thanks all
The
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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