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Peter Zetner | all galleries >> Astrophotography >> Solar Photos (pre-2014) >> Omega H-Alpha Filters >> Solar Equipment >> Optics Design and Assembly > Telecentric Lens 2cd.jpg
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Telecentric Lens 2cd.jpg

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Peter Zetner25-Aug-2012 18:24
Two possible filter locations: in the collimated beam or in the telecentric beam. I have used the telecentric beam location for high magnification and the collimated beam location for (near) full disk views (with a 80mm f/6 refractor).
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