Back to Home

ATM Forum Message

Forums: Atm · Astrophotography · Blackholes · Blackholes2 · CCD · Celestron · Domes · Education
Eyepieces · Meade · Misc. · God and Science · SETI · Software · UFO · XEphem
RSS Button

Home | Discussion Forums | Amateur Telescope Making | Post
Login

Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place...
The Space and Astronomy Agora
RE: Jager 5

Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To
Posted by leechthomas@hotmail.com on October 5, 2000 02:47:39 UTC

hi aric, the 5 inch jaegers objectives were F5, cemented achromats, and were available coated or uncoated. they were otherwise the same. they were rated by jaegers as astromomical objectives, and can be used with a 6mm eyepiece (approximately 100 power) without image breakdown, or severe color problems except on bright moon features etc. they were advertised mostly for "deep sky "applications, but with a good barlow and good eyepiece, you can have high power fun too. if you want a high performance short focus apo refractor, this is not the one, but it performs well under the conditions that it was designed for. jeagers refractor lenses (the 3.25/4.12/6.00 inch series) were airspaced F15 achromats (the 6 inch were also available in F5/8/10 ) and were of high quality, and were diffraction limited. good luck, tom leech

Follow Ups:

    Login to Post
    Additional Information
    Google
     
    Web www.astronomy.net
    DayNightLine
    About Astronomy Net | Advertise on Astronomy Net | Contact & Comments | Privacy Policy
    Unless otherwise specified, web site content Copyright 1994-2020 John Huggins All Rights Reserved
    Forum posts are Copyright their authors as specified in the heading above the post.
    "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET"
    are trademarks of John Huggins