> J. Forster wrote: >> The two big ones I remember are: >> >> A Boller& Chivens 24" about 1 degree >> > Only with a camera, not with an eyepiece.
True, but telescopes have guide scopes with much shorter focal lengths, typically 1 vs 9 meters. > Eyepiece field of view is something like 20 arc minutes with a 2" > eyepiece. >> A 60" about 15 arc-minutes >> The MMT is about 1 degree, I think. >> >> > No one uses an eyepiece with the MMT (something of a misnomer now that > it uses a single primary mirror). > The quoted FOV is for a camera only >> -John >> >> ============= >> >> > Bruce > > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
