Focal length of the collimation and correction lens for the Lunt LS80T-Ha and DSII standard.
Does anyone know the focal values of these lenses?
Etalons Lunt LS80T-Ha and DSII - focal length
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Etalons Lunt LS80T-Ha and DSII - focal length
I do not look at the sky with the eyes of an astronomer, but of a person looking for the beauty of nature.
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Re: Etalons Lunt LS80T-Ha and DSII - focal length
I don't know the actual numbers, other than that it is designed for working at f/7 and works well in my f/7 AP155, so they can't be too far from that. (So somewhere around 7*52 for the primary and somewhere around 7*35 for the DSII.) I guess someone would have to disassemble to get the actual numbers, but that would break the seal and introduce dust.
George
George
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Re: Etalons Lunt LS80T-Ha and DSII - focal length
I got pretty much the same results using a different method. Thank you very much for the confirmation.
I do not look at the sky with the eyes of an astronomer, but of a person looking for the beauty of nature.