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Questar Part

Started by rbeckman2654, 04/19/2018 02:52PM
Posted 04/19/2018 02:52PM Opening Post
I recently inherited my father's Quester Duplex (1969). Can anyone tell me the purpose of this accessory (see photo)? Thanks.

Attached Image:

rbeckman2654's attachment for post 156941
Posted 04/19/2018 11:02PM #1
It looks like it could beĀ an image-erecting prism. They are used for daytime observations.