[APML] Lumicon Deep Sky Filters

["Lane, Jason R" <jason.lane@navy.mil>]

Hi folks,

Does anybody use one of these for astrophotography?  I'm curious as to what effects (beyond the obvious blocking of light pollution) it might have either good or bad....for example, color shift in stars or galaxies?  Also, any filters out there that might be a better choice?  The caveat is that the filter come in a T-mount threaded cell since I want to put it directly in front of the camera body when at prime focus.  Finally, Lumicon's website isn't very clear on whether or not they sell one in T-mount threads...anybody have info on this?  I emailed Lumicon, but no response yet.

Thanks!
Jason Lane

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